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Python: Making a beep noise
...be happy to hear that Windows has its own (brace yourself) Beep API, which allows you to send beeps of arbitrary length and pitch. Note that this is a Windows-only solution, so you should probably prefer print('\a') unless you really care about Hertz and milliseconds.
The Beep API is accessed throug...
iOS: How to store username/password within an app?
...d to delete it when app quits (if that was your concern).
Apple provides sample code that stores, reads and deletes keychain items and here is how to use the keychain wrapper class from that sample which greatly simplifies using Keychain.
Include Security.framework (in Xcode 3 right-click on frame...
How do I check two or more conditions in one ?
...look like a duplicate of JSTL conditional check.
The error is having the && outside the expression. Instead use
<c:if test="${ISAJAX == 0 && ISDATE == 0}">
share
|
improve t...
How to force Chrome's script debugger to reload javascript?
...
The context menu shown above is accessible by right clicking / presssing & holding the "reload" button, while Chrome Dev Tools is opened.
Empty cache and hard reload works best for me.
Another Advantage: This option keeps all other opened tabs and website data untouched. It only reloads and c...
How to use a servlet filter in Java to change an incoming servlet request url?
...
Any doFilter() sample code somewhere that does the above ? Thanks.
– Frank
Apr 27 '10 at 21:21
20
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How to create a private class method?
...ompare
def ==(arg)
self.class.send(:compare, val1, arg.val1) &&
self.class.send(:compare, val2, arg.val2) &&
...
end
end
My problems with the code above is that the Ruby syntax requirements
and my code quality metrics conspire to made for cumbersome...
Sort points in clockwise order?
... like this:
bool less(point a, point b)
{
if (a.x - center.x >= 0 && b.x - center.x < 0)
return true;
if (a.x - center.x < 0 && b.x - center.x >= 0)
return false;
if (a.x - center.x == 0 && b.x - center.x == 0) {
if (a.y - cent...
Sort JavaScript object by key
...uestion are outdated, never matched implementation reality, and have officially become incorrect now that the ES6/ES2015 spec has been published.
See the section on property iteration order in Exploring ES6 by Axel Rauschmayer:
All methods that iterate over property keys do so in the same ord...
How to get city name from latitude and longitude coordinates in Google Maps?
..." + Global.curLatitude + ","
+ Global.curLongitude + "&sensor=true&key=YOUR_API_KEY");
String Status = jsonObj.getString("status");
if (Status.equalsIgnoreCase("OK")) {
JSONArray Results = jsonObj.getJSONArray("results");
...
How to use icons and symbols from “Font Awesome” on Native Android Application
...ings.xml for each icon. Eg for a heart:
<string name="icon_heart"></string>
Referenced said entry in the view of my xml layout:
<Button
android:id="@+id/like"
style="?android:attr/buttonStyleSmall"
...
android:text="@string/icon_heart" />
Loade...