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How to highlight text using javascript
... {
if (p === null) return;
var children = Array.prototype.slice.call(p.childNodes), i, cur;
if (children.length)
{
for (i = 0; i < children.length; i++)
{
cur = childr...
Regular Expression to match only alphabetic characters
...de:
preg_match('/^[A-Z]+$/i', "abcAbc^Xyz", $m);
var_dump($m);
Output:
array(0) {
}
Test case is for OP's comment that he wants to match only if there are 1 or more alphabets present in the input. As you can see in the test case that matches failed because there was ^ in the input string abcAb...
A positive lambda: '+[]{}' - What sorcery is this? [duplicate]
...
It is useful if you want to force decay of arrays or functions and if you want to force promotion of small integer types or unscoped enumerations.
– Johannes Schaub - litb
Sep 19 '13 at 9:17
...
Is multiplication and division using shift operators in C actually faster?
...numbers then use arithmetic operators like + - * / %. If you're working on arrays of bits, use bit twiddling operators like & ^ | >> . Don't mix them; an expression that has both bit twiddling and arithmetic is a bug waiting to happen.
...
Download multiple files as a zip-file using php
...o create a ZIP file and stream it to the client. Something like:
$files = array('readme.txt', 'test.html', 'image.gif');
$zipname = 'file.zip';
$zip = new ZipArchive;
$zip->open($zipname, ZipArchive::CREATE);
foreach ($files as $file) {
$zip->addFile($file);
}
$zip->close();
and to str...
Loop code for each file in a directory [duplicate]
...able is used for readability only. PHP will always work with a copy of the array in any foreach loop, which means that scandir() will be called only once. (And since PHP uses copy-on-write you won't get any performance problems with this "copying" either). Yes, you can embed the scandir() call witho...
Load data from txt with pandas
... file containig a mix of float and string data. I want to store them in an array where I can access each element. Now I am just doing
...
How to implement classic sorting algorithms in modern C++?
...e sort, but is not stable.
The first loop, O(N) "heapify" phase, puts the array into heap order. The second loop, the O(N log N) "sortdown" phase, repeatedly extracts the maximum and restores heap order. The Standard Library makes this extremely straightforward:
template<class RandomIt, class C...
Loading and parsing a JSON file with multiple JSON objects
...ect per line, but they are not contained in a larger data structure (ie an array). You'll either need to reformat it so that it begins with [ and ends with ] with a comma at the end of each line, or parse it line by line as separate dictionaries.
...
@UniqueConstraint annotation in Java
...
Note: In Kotlin the syntax for declaring the arrays in annotations uses arrayOf(...) instead of {...}
@Entity
@Table(uniqueConstraints=arrayOf(UniqueConstraint(columnNames=arrayOf("book", "chapter_number"))))
class Chapter(@ManyToOne var book:Book,
@Colum...