从PDF转换
转换为PDF
从PDF处理
从CAD转换
转换为CAD
从图片转换
转换为图片
文件压缩
电子书转换
使用技巧
客户端下载
Your IP Address is 107.23.85.179 If you can find out the IPv4 or IPv6 address of an Internet user, you can click
I want to change combo box border color if it is empty. I tried with following code, which does not work. For text box, it was working fine. in xaml <ComboBox HorizontalAlignment="Left" Heigh...
I've started to learn PHP & MySQL myself and could not understand the below issue. I have created 2 table shown below, enents => evnt_id, evnt_nm_, date, venue, details participants => p...
SELECT 'INITIALIZE' AS PROCESS_DESC, floor((MAX(EXEC_DATE)-MIN(EXEC_DATE))*24) || ' HOURS ' || mod(floor((MAX(EXEC_DATE)-MIN(EXEC_DATE))*24*60),60) || ' MINUTES ' || mod(floor((MAX(EXEC_D...
I'm having trouble with a time based graph on gnuplot. My graph plots the data of a CSV file from a noise sensor. My CSV file is written in the following format: Time,Decibel 08:00:28,56.5 08:00:3...
I am trying to read a text file in jupyter notebook and fetch the unique words in the file. I am reading that file as a list and then trying to apply lower case on it. But the .lower() function d...
I researched some code for countdown on AlertDialog but when I tried the code its not counting down its just show the time tha when its clicked but when it is clicked again it is ticked but I wante...
I need to convert batches of TIFF images to JPEGs. Can it be done with plain vanilla PowerShell, without installing ImageMagick? After a little research here and here, it seems it can be done. Fir...
I am working on a small side project. Below is an image of all my relations. I only have the tables set up so far, and a couple Queries that sorted my a couple of my tables a certain way to be used...
I have a dataframe, df, for which I want to change the order of some columns. I have been struggling with using the multi index. Running the command df.columns, I get the following output: MultiI...
In the following code, I would like to change aspects of the legend so that the colour gradient of "log10_p_value" is represented in "plot_size". So the the white bubbles representing "plot_size"...
I have a website developed using only client side code(JavaScript, Jquery, Html, CSS, Bootstrap). I do not intend to use SQL for now hence I was thinking of using DocumentDB as data related to this
I need to obtain a reference to the great great grandparent's view. Currently I am doing it successfully using the following code: FabToolbar fabToolbar = (FabToolbar) view.getParent().getParent().
i have string like this 603 - CELLULITIS W/O MCC i want to convert it to CELLULITISWOMCC in python using regex my previous attempts s= re.sub(r"(\b|\s+\-?|^\-?)(\d+\s[-]\s|\d*\.\d+)\b&
I am requesting a single EJS file (setting Express, Request). app.get('/space', function(req, res){ res.render('space.ejs'); }); The file actually renders but only two of three CSS styleshee...
I have a view controller opened from a Popover segue - on iPhone displays this opens as a full page view controller (basically modally). On iPad it opens as a popover. When opening the view on iP...
I know ember is supposed to have some built-in binding of controller properties and query params. Docs state (referring to a previous example): once the articles route has been entered, any chang...
I want the content section to displays three featured products available in the store out of a list of 10 products( so there will be 10 DIV's like the 1 div ). I have tried a few different things b...
I am running a rails migration where for all records, I want to set the value of a new column 'result' based on the value of an existing column - 'score'. class AddResultToReports < ActiveRecord::
How do I make an input/text field mandatory(required) when the radio button assigned to it is checked/selected? I need an input field to become mandatory once the corresponding radio button is sel...
var result = (from bd in context.tblBasicDetails from pd in context.tblPersonalDetails.Where(x => x.UserId == bd.UserId).DefaultIfEmpty() from opd in context.tblOtherPersonalDetails.
I am currently creating an HTML form that has 2 fields; name and an address. It also has a way of selecting one of 2 options. The form will either be used to look up the address of a person. In t...
As you see, Pycharm provide auto-completion for table name. But in this case, it show me the deleted table 'uniq'. Why? How can I fix it?
I am monitoring a directory in hdfs and if a file is put into it i want to retrieve the name of the file entering the directory and apply pattern matching so as to sort them based on names so far i...
So I'm trying to create a little Util that lets me dynamically implement an interface in Java. What I mean by that is, I would like to take an object and forcibly upcast it to another object. Obvio...
I am using logstash to parse data from a csv file and push it to elasticsearch. I have a dictionary with 600k lines, which uses one of the fields as a key to map it to a string of values. I am curr...
I have a template called index.html. Also I have a link in the index.html called admin. I need to show the link admin only for an administrator, in other words only for me. How can I do it?
I am maintaining a Django project in version 1.6.X. I had found some doubt and issue a question here. As my known, Django from version 1.7 is able to do migration. And, I started to get Django it is
So if you look at the code below you will see the following line fails with: cannot use mutating member on immutable value: 'forecasts' is a 'let' constant caused by forecasts.append(forecast). I...
I want my angular app to detect scanner and perform scanning functionalities? how will i get this functionality in my app?
In my current project I have implemented google sign in feature. Am fetching user information when logged in. In the flow, there is option to Add Account in google dialog. When user trying to add a...
Here is a piece of erb code with a textarea. I used style="min-width: 100%" to make the area expanding to 100% width. But the style does not work at all. <div class="container-fluid"> &l...
I have this code I'm working with for the google maps API. I would like to save the latitude and longitude to the database for retrieval later. <script src="https://maps.googleapis.com/maps/api...
I am writing a Tumblr theme and all went smoothly until I enabled the "ask box". When I add the code for the ask box to my page, the box will appear on both my main page (where the posts are disp...
I'm trying to deal with an API that returns an array of PyObjects and I want to extend an existing python list with it's contents. So far I'm just appending every item of the array: static PyObje...
ALL, const std::string foo[] = { if( <my_condition> ) "Test0", "Test1", "Test2", "Test3" }; I'm trying to make it work and not to
In Firefox, is there a way to open the add-on's own options page within about:addons through a button in the add-on? (Not just the options.html page by itself, but within the about:addons page, the...
How to do with this code only show the "related posts by category"? This code is inside the "single.php" I did not stackoverflow but could not find a solution. Can anyone help me? <?php $
I've been working on a REST API as part of some up skilling. My current implementation has a small concurrency issue when inserting objects into my ConcurrentHashMap. My code checks to see whether...
So, I have this ng-repeat which has a model inside subj.Prerequisites, subj.Prerequisites can contain an array e.g ['SUBJ1', 'SUBJ2']. What i wanted to do is when i click on my input text inside th...
Even though this code compiles: import java.util.Scanner; // imports the Scanner class from the java.util package public class ScannerPractice { public static void main(String args[]) { Sca...
I don't know how to exactly express what I'm looking for, so I'll explain what I have and then what I'm trying to do. I have a Class model, which has 2 classes with a One-To-Many unidirectional
When followed the confluent platform quickstart, I got stuck in step 5. An error occured: [root@CentOS-70 confluent-3.1.2]# ./bin/kafka-avro-console-producer --broker-list localhost:9092 --topic m...
How can I access data that is declared and initialized in the MainWindow constructor in other functions? Is there a method on ui->customPlot that will help me out here? I have the following code i...
I'm getting the following error (which I assume is because of the forking in my application), "This result object does not return rows". Traceback --------- File "/opt/miniconda/envs/analytical-e...
Having a difficult time with learning Android programming, though I suspect that the problem isn't necessarily Android itself. I am attempting to make a (toggleable) auto-silencer, setting the phon...
I've searched through this web site and others for a solution, but unfortunately everything I've tried out there have not worked. What I'm trying to achieve is to create a tree-like structure being
#include<iostream> using namespace std; int main( ) { int *p; double *q; cout << p << " " << q << endl; p++; q+
I've been googling on this problem for a while now, but I have not found a solution that works. The problem is SSH login to my server is very slow all of a sudden. I can see it takes about 10 seconds
I need to click a link from the following HTML(it is a part of HTML frame with video) with python(2.7) and library "request" in order to parse some data later. I have done some progress but I have...
So we have this massive Python project responsible for talking to a piece of hardware. Currently we open up a python shell, import a bunch of the company's and python classes and run a bunch of co...
I have two files, 'something.txt' 'program.py' here's my program: #!/usr/bin/python ## your code here import sys line = "" for n in [line for line in sys.stdin.readlines()]:
I want to perform the function with page rendering. The function loads a external JS file dynamically. Thanks you.
How can I update multiple items on firebase with just one request? I can not let my system wait to complete multiple requests, so I need to update them with just one. Current Firebase Data: PHP ...
In my Restler API class I have an object defined like so (with lots of other params) class PatchTaskObj extends TaskObj { /** * @var bool|null Whether or not this Task should be pinned to...
I have the following data frame head(Bigram_freq) words freq 168943 of the 2213 123107 in the 1890 251052 to the 1059 94473 for the 984 171900 on the 958 248733 to...
I am having trouble with floating point exceptions in a subroutine that converts from geographic to geocentric coordinates. The variable geo(x) is fed into the subroutine as pairs of latitude and
In my application i have export button when i click grid view in edit command i want to disable export button after it will enable. I disable export button in Edit command but when i click edit but...
I am using the following JavaScript function to add thousand separator for a input number on keyup event. $("#inputId").on('keyup', function(evt){ if (evt.which != 110 && evt.which != ...
Spring boot Cassandra starter 1.5.1 throws exceptions: java.lang.ClassNotFoundException: com.google.common.util.concurrent.AsyncFunction and java.lang.ClassNotFoundException: com.google.common.
I have a table like this id | inventory_id | serial_type | serial ------------------------------------------------------ 38 | 5892 | 1 | 9502 39 ...
Suppose that I code this: enum State{ State0, //=0 State1, //=1 State2, //=2 State5 = State2+3, //=5 State6 = State5+1, //=...
I have this Question about connecting my DB to my php and fetch the data. the error is Warning: mysqli_query() expects parameter 1 to be mysqli, null given This is my 2 files the class and the
I'd like to position two <paper-input>s horizontally like this: How do I do that?
I want to truncate text according to div size this is the code snippet: <div style="padding-left:10px; width:200px; border:1px solid #000000"> Lorem Ipsum is simply dummy text of t
I really need some assistance with creating this function for a VBA project. I am not sure what I am doing wrong here. I am trying to create a function, however, I keep getting an error message of
I'm trying to learn how to animate with CSS in a DevTips Tutorial but had to stop about 8-minutes in since my code isn't animating the menu items properly. They simply pop into place, but are suppo...
I need to search on the DataTable and return true if a particular "string" has been found across the table. As starter I have this. But it keeps on returning true and the value is always "found" ev...
This is the entire code in python3: def rainwater(array): max_value = max(array) count = 0 for a in range(0, max_value): temp = array for i in range(0, len(temp)): ...
Question Reference: http://thebookofshaders.com/03/ #ifdef GL_ES precision mediump float; #endif uniform float u_time; void main() { gl_FragColor = vec4(abs(sin(u_time)),0.0,0.0,1.0); } Live
I'm creating a mobile app which uses the google login (OAuth) for Authentication it has a backend exposed as Node JS api Now, I'm trying to create an Authenticated API based upon the google logi...
I am uploading excel file in asp.net c# using following code.It is working fine but problem is that in excel file some column values are always numeric and if some of those numeric values are in ...
this below code are is working fine in laptop, but in my office desktop i am unable to run the program. Error is method or data not found. Please provide me a solution. Private Sub cmdGenRep_Click...
I have a player prefab that is spawned when the game starts via Network Manager, the player prefab has a script(Player Health) attached to it which takes 2 UI element as input(DamageImage, HealthSl...
I'm learning JavaScript and I see that this question has been asked many times, but I can't get this to work for me. What I want to do is, show a bootstrap modal once a day. What I have so far is:
This is SearchActivity.java public class SearchActivity extends AppCompatActivity { /*UI*/ private EditText mSearchText; private Button mSearchBtn; private Toolbar mSearchToolbar; ...
Is there is a link to download Numpy version 1.11.2 64 bit for Windows? I have come across Unofficial Windows Binaries for Python Extension Packages. But there are currently only 1.11.3 and 1.12.0
I am trying to use browser back button to navigate to last page accessed by user. In Jquery i can use below code. function onBackKeyDown() { history.go(-1); navigator.app.backHist...
I written a code for downloading PDF using IText api ... i have implemented it in my project ..... i generated war file and deployed in tomcat server .... when i tried to download pdf it is downloa...
How do I extract a certain word after a certain character in regex python? For example: given = 'abcdefghijkl"mnop:"qfdf"gg"' I want to get qfdf which is afer "mnop:" and before "gg&q
appreciate if you help. I have simple function to show (or hide) elements one by one, and it is written in CoffeeScript. The function works great, but my Chrome throws this message in console "
'''I need to program a 2 phase process for a game in python. Phase 1 leads to phase 2, then the game resets and asks again if the player would like to move to the first phase again. I'm running i...
I know if I want an element has 2 lines of text only, it can be done like this: <span style="overflow:hidden;text-overflow:ellipsis;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:
In this function: public float cgRatio(String dna) { //initialize count to be 0 int count = 0; //for each character in the string //if character == 'C' or 'G' increment count f...
I'm trying to get the uploads folder path. UPLOAD_FOLDER = '/uploads' ALLOWED_EXTENSIONS = set(['png', 'jpg', 'jpeg', 'gif']) app = Flask(__name__) app.config['UPLOAD_FO
My NativeScript Angular app uploads an image to the backend which has a 10MB limit. How can I determine the size of the upload prior to issuing the http POST request? The uploaded image is base64 e...
I was wondering if you could help me understand what is going wrong here. I am trying to write a little client that engages in SMTP dialogue on port 25. If you recall SMTP, there's a few things you
I was setting mMap.setMyLocationEnabled(true) and I am successfully getting my current location but... Not able to zoom to that position. Not able to get lat and lng from that position From getting
I want to display some Javascript code using <%=%> tag in a jsp page . but whenever I tried it jsp find it as its tag . How to resolve that ? I have a code block like this : <script id="
I have two data frames, one for store and one for sales: store <- data.frame(StoreID=c(1,2,3,4), StoreName=c("McDonalds", "A&W", "Burger King", "Wendy's")) sales <- data.fra
can someone please check my code as to why the last index is not working as intended? Any advice on how to improve this is much appreciated. import java.io.*; import java.util.*; public class So...
In the foll. plot, I want to plot dates on the x-axis. I have a list of dates: import arrow as ar date_plt = '2016-04-01' _frst_day = '2016-01-01' _last_day = '2016-12-31' [ar.get(date_plt) + tim
I'm trying to obtain the 3D metric reconstruction of the points I have in two different views of my scene by means of a pair of cameras (a stereo system). To do so, I did calibrate the cameras, es...
I am trying to sort this data. My data looks like this: var test = [ {label: '41_45', value :14}, {label: '46_50', value :34}, {l..
I am getting some values (domain names) from a _POST which I have to insert into an "Array in an Array". The array is called $postValues["domainrenewals"] and the I need to create another array in...
Trying to implement signal handlers but receiving the warning: assignment from incompatible pointer type [enabled by default] act.sa_sigaction = sigChldHandler; ... Also my professor pointed o...
I want to save textarea to Controller session using jquery ajax post method in Codeigniter smarty. I can't save data to session. How can I do this? Please guide me with full description coding exam...
I am creating a common modal React component for my application to display a variety of different things. I would like it to be flexible enough to display both plain HTML and interactive React comp...
I want an Application where a user can drag and drop HTML control like textbox, checkbox, calendar over an image and the user can also able to resize it. I have done so many R&D but didn't find...
In a directory I want to select maximum files with given total size and move them to a different directory. While listing files for selection, we need to sort them by name. As an example, to make it
Is there any way at all that my process's priority can be set to, say, above normal on Windows in a C/C++ application? If it takes an administrator privilege prompt, then fine, if it takes even more
Suppose I visit a web page www.example.com and is successfully loaded into my browser. When this page is loaded, we can see the certificate information www.example.com by clicking on padlock icon...