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Clicking the back button twice to exit an activity
... }
this.doubleBackToExitPressedOnce = true;
Toast.makeText(this, R.string.exit_press_back_twice_message, Toast.LENGTH_SHORT).show();
}
And it just works exactly as I want. Including the reset of the state whenever the activity is resumed.
...
Fast Linux File Count for a large number of files
...ursively.
#include <stdio.h>
#include <dirent.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include <sys/stat.h>
#if defined(WIN32) || defined(_WIN32)
#define PATH_SEPARATOR '\\'
#else
#define PATH_SEPARATOR '/'
#endif
/* A custom structure...
jQuery select2 get value of select tag?
...
Very useful if you have extra properties on the select2 objects
– Shoe
Oct 13 '16 at 15:40
...
How do I disable the “Press ENTER or type command to continue” prompt in Vim?
...
In line with commenter below (who suggested to add extra <CR> at the end of command), when using silent, you can add extra <C-l>, so that you do not have to press it manually. Works with screen well, then.
– Victor Farazdagi
...
String length in bytes in JavaScript
...A');
a.href = '#' + s;
var sEncoded = a.href;
sEncoded = sEncoded.substring(sEncoded.indexOf('#') + 1);
var m = sEncoded.match(/%[0-9a-f]{2}/g);
return sEncoded.length - (m ? m.length * 2 : 0);
}
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Javascript heredoc
...
Try ES6 String Template, you can do something like
var hereDoc = `
This
is
a
Multiple
Line
String
`.trim()
hereDoc == 'This\nis\na\nMultiple\nLine\nString'
=> true
You can use this great feature today by with 6to5 or TypeScr...
how can I add the aidl file to Android studio (from the in-app billing example)
...' to the directory 'src/main/aidl'
Locate your sdk location and go to "sdk\extras\google\play_billing". Default location for the sdk is "C:\Program Files (x86)\Android\android-sdk". If you custom changed it, then you will have to figure out the location through the sdk manager.
Copy 'IInAppBillingSe...
Selectors in Objective-C?
...l about the method names. In this case, the method name is just "lowercaseString", not "lowercaseString:" (note the absence of the colon). That's why you're getting NO returned, because NSString objects respond to the lowercaseString message but not the lowercaseString: message.
How do you know wh...
How to read/process command line arguments?
...tional
arguments. The optparse module
requires you to write your own usage
string, and has no way to display
help for positional arguments.
argparse supports action that
consume a variable number of
command-line args, while optparse
requires that the exact number of
arguments (e.g. 1, 2, or 3) be kn...
Prevent “overscrolling” of web page
...oll its content within. This works in Safari and in Chrome.
Edit
Why the extra <div>-element as a wrapper could be useful: Florian Feldhaus' solution uses slightly less code and works fine too. However, it can have a little quirk, when it comes to content that exceeds the viewport width. In ...