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Printing leading 0's in C?
...tively, if you always wanted 5 leading zeros, then "00000" + integer.to_s. etc
– mlambie
Mar 4 at 5:21
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Secure hash and salt for PHP passwords
...rcing a password policy of X length with X many letters, numbers, symbols, etc, can actually reduce entropy by making the password scheme more predictable. I do agree. Randomess, as truly random as possible, is always the safest but least memorable solution.
So far as I've been able to tell, making...
how to programmatically fake a touch event to a UIButton?
...ion support in iOS 4. You can write JavaScript to simulate button presses, etc. fairly easily, though the documentation (especially the getting-started part) is a bit sparse.
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How to link to apps on the app store
...dle Display Name"? Is it case-insensitive? How are blank spaces handled, etc.?
– aroth
Sep 23 '11 at 0:51
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Should you always favor xrange() over range()?
...76767676676,123456787676676767676679)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
OverflowError: Python int too large to convert to C long
Python 3 does not have this problem:
Python 3.2.3 (default, Jul 14 2012, 01:01:48)
[GCC 4.7.1] on linux2
Type "help"...
How do you save/store objects in SharedPreferences on Android?
...nload this jar from google-gson
Or add the GSON dependency in your Gradle file:
implementation 'com.google.code.gson:gson:2.8.5'
Creating a shared preference:
SharedPreferences mPrefs = getPreferences(MODE_PRIVATE);
To save:
MyObject myObject = new MyObject;
//set variables of 'myObject', ...
How do I split a string, breaking at a particular character?
...elds = input.split('~');
var name = fields[0];
var street = fields[1];
// etc.
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Difference between __str__ and __repr__?
...'w\'o"w'
>>> eval(str(s))==s
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 1
w'o"w
^
SyntaxError: EOL while scanning single-quoted string
>>> eval(repr(s))==s
True
...
The Ruby %r{ } expression
...
It mean that image_file_name must end ($) with dot and one of gif, jpg, jpeg or png.
Yes %r{} mean exactly the same as // but in %r{} you don't need to escape /.
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How to create JSON string in JavaScript?
...ks in them. You'd have to make it all one line: {"key":"val","key2":"val2",etc....}.
But don't generate JSON strings yourself. There's plenty of libraries that do it for you, the biggest of which is jquery.
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