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The easiest way to transform collection to array?
... memory than (new Foo[0]). As per the Collection.toArray documentation, ` @param a the array into which the elements of this collection are to be stored, if it is big enough` which means it will store them directly in that new array. If you give it a size 0 array, it will make a new array, meaning y...
Fastest method to escape HTML tags as HTML entities?
...lting string can be safely inserted into attribute or
* element text.
* @param value
* @returns {string} escaped text
*/
function encodeEntities(value) {
return value.
replace(/&/g, '&').
replace(SURROGATE_PAIR_REGEXP, function(value) {
var hi = value.charCodeAt(0);
...
Case insensitive regular expression without re.compile?
...
Pass re.IGNORECASE to the flags param of search, match, or sub:
re.search('test', 'TeSt', re.IGNORECASE)
re.match('test', 'TeSt', re.IGNORECASE)
re.sub('test', 'xxxx', 'Testing', flags=re.IGNORECASE)
...
Simple way to repeat a String in java
...ing is empty or count is zero then the empty
* string is returned.
*
* @param count number of times to repeat
*
* @return A string composed of this string repeated
* {@code count} times or the empty string if this
* string is empty or count is zero
*
* @throws IllegalArgumentException if th...
How to execute shell command in Javascript
...'child_process';
/**
* Execute simple shell command (async wrapper).
* @param {String} cmd
* @return {Object} { stdout: String, stderr: String }
*/
async function sh(cmd) {
return new Promise(function (resolve, reject) {
exec(cmd, (err, stdout, stderr) => {
if (err) {
rej...
How to set the text color of TextView in code?
...
@Civilian: because the int param that the setXXXColor() methods require is taken as the actual ARGB value to use, NOT the value to lookup in the resources file. Strangely enough, the View class has both setBackgroundColor() and setBackgroundResource(),...
PHP filesize MB/KB conversion [duplicate]
... works on a file.
/**
* Formats filesize in human readable way.
*
* @param file $file
* @return string Formatted Filesize, e.g. "113.24 MB".
*/
function filesize_formatted($file)
{
$bytes = filesize($file);
if ($bytes >= 1073741824) {
return number_format($bytes / 1073741...
How can I get the named parameters from a URL using Flask?
...L running on my flask app, I want the web service to be able to handle the parameters specified after the question mark:
7 ...
HAProxy redirecting http to https (ssl)
...'d like foo.bar.com/baz to redirect to foo.bar.com/baz. We also need query params.
– Jon Chu
Nov 5 '12 at 22:36
...
Increase heap size in Java
...
You can increase the Heap Size by passing JVM parameters -Xms and -Xmx like below:
For Jar Files:
java -jar -Xms4096M -Xmx6144M jarFilePath.jar
For Java Files:
java -Xms4096M -Xmx6144M ClassName
The above parameters increase the InitialHeapSize (-Xms) to 4GB (409...