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tag vs tag
... behaviour is not defined anywhere. While you can in theory leave it
out and assume it will be interpreted as JavaScript, it's invalid
HTML, so why not add it.
In HTML 5, the type attribute is optional and defaults to
text/javascript
Use <script type="text/javascript"> or simply &...
How to get a specific version of a file in Mercurial?
I am new to Mercurial. Just cannot find the right command. Tried update/checkout with no luck. I am using local repository. Thanks
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How to find all occurrences of a substring?
Python has string.find() and string.rfind() to get the index of a substring in a string.
20 Answers
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What is the difference between typeof and instanceof and when should one be used vs. the other?
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typeof []; //object
{} instanceof Object; // true
typeof {}; // object
And the last one is a little bit tricky:
typeof null; // object
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What is the difference between printf() and puts() in C?
I know you can print with printf() and puts() . I can also see that printf() allows you to interpolate variables and do formatting.
...
UITableViewCell, show delete button on swipe
...ton to show when swiping on a UITableViewCell ? The event is never raised and the delete button never appears.
18 Answers
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How to tell bash that the line continues on the next line
... may be used to remove any special meaning
for the next character read and for line continuation.
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window.onload vs document.onload
...s, etc.).
In some browsers it now takes over the role of document.onload and fires when the DOM is ready as well.
document.onload
It is called when the DOM is ready which can be prior to images and other external content is loaded.
How well are they supported?
window.onload appears to be the...
What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
...a few key factors...
First, there are two types of compression: Lossless and Lossy.
Lossless means that the image is made smaller, but at no detriment to the quality.
Lossy means the image is made (even) smaller, but at a detriment to the quality. If you saved an image in a Lossy format over a...
What are 'closures' in .NET?
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The general feature of closures is implemented in C# by anonymous methods and lambda expressions.
Here's an example using an anonymous method:
using System;
class Test
{
static void Main()
{
Action action = CreateAction();
action();
action();
}
static Act...