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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
I just had some very strange behavior with a simple php script I was writing. I reduced it to the minimum necessary to recreate the bug:
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How can I respond to the width of an auto-sized DOM element in React?
I have a complex web page using React components, and am trying to convert the page from a static layout to a more responsive, resizable layout. However, I keep running into limitations with React, and am wondering if there's a standard pattern for handling these issues. In my specific case, I have ...
How to manually send HTTP POST requests from Firefox or Chrome browser?
I want to test some URLs on a web application I'm working on. For that I would like to manually create HTTP POST requests (meaning I can add whatever parameters I like).
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How to discover number of *logical* cores on Mac OS X?
How can you tell, from the command line, how many cores are on the machine when you're running Mac OS X? On Linux, I use:
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GDB missing in OS X v10.9 (Mavericks)
I went to use GDB in OS X v10.9 (Mavericks), and it's not there. Where has it gone?
12 Answers
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Why is pow(a, d, n) so much faster than a**d % n?
I was trying to implement a Miller-Rabin primality test , and was puzzled why it was taking so long (> 20 seconds) for midsize numbers (~7 digits). I eventually found the following line of code to be the source of the problem:
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Change project name on Android Studio
...g. I want to change the name from "MyApplication" to "AndroidApp" as shown in the image below.
In the first rectangle I want to change it in:
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Difference between float and double in php?
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There is no difference in PHP. float, double or real are the same datatype.
At the C level, everything is stored as a double.
The real size is still platform-dependent.
See the manual for more details:
http://www.php.net/manual/en/language.types....
Javascript Functions and default parameters, not working in IE and Chrome
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You can't do this, but you can instead do something like:
function saveItem(andClose) {
if(andClose === undefined) {
andClose = false;
}
}
This is often shortened to something like:
function setName(name) {
name = name || 'Bob';
}
Updat...
Swapping two variable value without using third variable
One of the very tricky questions asked in an interview.
27 Answers
27
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