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When to use StringBuilder in Java [duplicate]
... now. HOWEVER switching to explicit StringBuilder 1 instance gave me 0-1ms from ~120ms on 1000 iterations. So StringBuilder is still necessary for critical places in similar cases.
– serg.nechaev
Mar 3 '15 at 3:22
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What is the idiomatic way to compose a URL or URI in Java?
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As of Apache HTTP Component HttpClient 4.1.3, from the official tutorial:
public class HttpClientTest {
public static void main(String[] args) throws URISyntaxException {
List<NameValuePair> qparams = new ArrayList<NameValuePair>();
qparams.add(new B...
How to define a circle shape in an Android XML drawable file?
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@AnkitGarg you can apply a color filter from Java code (see Drawable class)
– milosmns
Feb 12 '15 at 15:19
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‘ld: warning: directory not found for option’
... targets for both the project and the testing module (upon project upgrade from iOS8.3 to iOS9).
– ObjectiveTC
Jul 3 '15 at 1:07
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Unable to find the wrapper “https” - did you forget to enable it when you configured PHP?
...rl_exec($curl);, wouldn't that prevent curl_close($curl); on the next line from executing?
– Jason Plank
Jul 26 '11 at 18:25
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pod install -bash: pod: command not found
... a message that says
"Pod installation complete! There are X dependencies from the Podfile and X total pods installed."
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Return positions of a regex match() in Javascript?
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From developer.mozilla.org docs on the String .match() method:
The returned Array has an extra input property, which contains the
original string that was parsed. In addition, it has an index
property, which represent...
Count character occurrences in a string in C++
...ight despite my trolling and that answers like mine did not discourage you from participating on the site.
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How to make an HTML back link?
...r! I had to add return false; to the onclick function in Chrome to keep it from adding the current page to the browser history.
– Marshall Morrise
Dec 7 '18 at 19:59
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How to construct a WebSocket URI relative to the page URI?
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Assuming your WebSocket server is listening on the same port as from which the page is being requested, I would suggest:
function createWebSocket(path) {
var protocolPrefix = (window.location.protocol === 'https:') ? 'wss:' : 'ws:';
return new WebSocket(protocolPrefix + '//' + lo...