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Is it better to reuse a StringBuilder in a loop?
...ion {
long time = System.currentTimeMillis();
for( int i = 0; i < 10000000; i++ ) {
StringBuilder sb = new StringBuilder();
sb.append( "someString" );
sb.append( "someString2"+i );
sb.append( "someStrin4g"+i );
sb.append(...
How to shorten my conditional statements
...t in other's code.
Instead of checking if the result of indexOf is >= 0, there is a nice little shortcut:
if ( ~[1, 2, 3, 4].indexOf(test.type) ) {
// Do something
}
Here is the fiddle: http://jsfiddle.net/HYJvK/
How does this work? If an item is found in the array, indexOf returns its ...
jQuery selectors on custom data attributes using HTML5
...
1030
$("ul[data-group='Companies'] li[data-company='Microsoft']") //Get all elements with data-comp...
How to get Scala List from Java List?
...
EDIT: Note that this is deprecated since 2.12.0. Use JavaConverters instead. (comment by @Yaroslav)
Since Scala 2.8 this conversion is now built into the language using:
import scala.collection.JavaConversions._
...
lst.toList.foreach{ node => .... }
works. asSca...
Adding List.add() another list
...wLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\"...
Can clearInterval() be called inside setInterval()?
...
Yes you can. You can even test it:
var i = 0;
var timer = setInterval(function() {
console.log(++i);
if (i === 5) clearInterval(timer);
console.log('post-interval'); //this will still run after clearing
}, 200);
In this example, this timer clears whe...
How do I get into a non-password protected Java keystore or change the password?
...
206
which means that cacerts keystore isn't password protected
That's a false assumption. If y...
Simple insecure two-way data “obfuscation”?
...Me__({ 123, 217, 19, 11, 24, 26, 85, 45, 114, 184, 27, 162, 37, 112, 222, 209, 241, 24, 175, 144, 173, 53, 196, 29, 24, 26, 17, 218, 131, 236, 53, 209 });
// a hardcoded IV should not be used for production AES-CBC code
// IVs should be unpredictable per ciphertext
private byte[] Vector...
What is the JSF resource library for and how should it be used?
...ary version.
WebContent
|-- resources
| `-- default
| `-- 1_0
| |-- css
| | `-- style.css
| |-- img
| | `-- logo.png
| `-- js
| `-- script.js
:
When using this markup:
<h:outputStyles...
MySQL get the date n days ago as a timestamp
In MySQL, how would I get a timestamp from, say 30 days ago?
3 Answers
3
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