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How to generate XML file dynamically using PHP?
...ocument in PHP you should instance a DOMDocument class, create child nodes and append these nodes in the correct branch of the document tree.
For reference you can read http://it.php.net/manual/en/book.dom.php
Now we will take a quick tour of the code below.
at line 2 we create an empty xml docu...
how to split the ng-repeat data with three columns using bootstrap
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The most reliable and technically correct approach is to transform the data in the controller. Here's a simple chunk function and usage.
function chunk(arr, size) {
var newArr = [];
for (var i=0; i<arr.length; i+=size) {
newArr.pus...
Pointers in C: when to use the ampersand and the asterisk?
I'm just starting out with pointers, and I'm slightly confused. I know & means the address of a variable and that * can be used in front of a pointer variable to get the value of the object that is pointed to by the pointer. But things work differently when you're working with arrays, string...
How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
I've been digging through some parts of the Linux kernel, and found calls like this:
10 Answers
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Is there a label/goto in Python?
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No, Python does not support labels and goto, if that is what you're after. It's a (highly) structured programming language.
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Fastest way to count exact number of rows in a very large table?
...ECT COUNT(*) FROM TABLE_NAME will be slow when the table has lots of rows and lots of columns.
25 Answers
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How do I get PHP errors to display?
I have checked my PHP ini file ( php.ini ) and display_errors is set and also error reporting is E_ALL . I have restarted my Apache webserver.
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Are there any O(1/n) algorithms?
...put size for which the algorithm is not supposed to execute any operation. And therefore I would think that O(1/n) time complexity is indeed impossible to achieve.
– Roland Ewald
May 25 '09 at 14:10
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Code coverage for Jest
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When using Jest 21.2.1, I can see code coverage at the command line and create a coverage directory by passing --coverage to the Jest script. Below are some examples:
I tend to install Jest locally, in which case the command might look like this:
npx jest --coverage
I assume (tho...
Batch file include external file for variables
I have a batch file and I want to include external file containing some variables (say configuration variables). Is it possible?
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