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JavaScript: remove event listener
...to use named functions.
Also, the click variable needs to be outside the handler to increment.
var click_count = 0;
function myClick(event) {
click_count++;
if(click_count == 50) {
// to remove
canvas.removeEventListener('click', myClick);
}
}
// to add
canvas.addEventL...
How to convert Set to String[]?
... edited Apr 13 '18 at 13:05
Alexander Farber
17.5k6464 gold badges203203 silver badges359359 bronze badges
answered May 12 '11 at 18:16
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Printing hexadecimal characters in C
... case), your chars are being promoted to int via sign-extension.
Since c0 and 80 have a leading 1-bit (and are negative as an 8-bit integer), they are being sign-extended while the others in your sample don't.
char int
c0 -> ffffffc0
80 -> ffffff80
61 -> 00000061
Here's a solution:
...
MongoDB logging all queries
...d parameter to -1, like db.setProfilingLevel(2,-1)
– andresigualada
Apr 12 '16 at 10:42
4
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jQuery scroll to element
...de from the article Smoothly scroll to an element without a jQuery plugin. And I have tested it on the example below.
<html>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
<script>
$(document).ready(function ()...
Removing multiple keys from a dictionary safely
... it might be more efficient to use for key in set(the_dict) & entries: and bypass the key in dict test.
– DylanYoung
Apr 15 at 15:30
add a comment
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Create web service proxy in Visual Studio from a WSDL file
...
Try using WSDL.exe and then including the generated file (.cs) into your project.
Fire up the Visual Studio Command prompt (under visual studio/tools in the start menu) then type
>wsdl.exe [path To Your WSDL File]
That'll spit out a file...
Display a tooltip over a button using Windows Forms
...
The ToolTip is a single WinForms control that handles displaying tool tips for multiple elements on a single form.
Say your button is called MyButton.
Add a ToolTip control (under Common
Controls in the Windows Forms
toolbox) to your form.
Give it a
name - say MyToolTip
...
Default implementation for Object.GetHashCode()
How does the default implementation for GetHashCode() work? And does it handle structures, classes, arrays, etc. efficiently and well enough?
...
HtmlSpecialChars equivalent in Javascript?
Apparently, this is harder to find than I thought it would be. And it even is so simple...
16 Answers
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