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Why doesn't margin:auto center an image?
...code includes a specific definition of the object's width. Ex: <img [...etc., etc.,...] style="display:block; margin:auto; width:200px" /> will work, but don't use a relative size, like "width:50%". Of course, if you use "width:100%" then centering is not an issue, because there is then no ma...
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"...
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
...
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', ...
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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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 /.
share...
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
14
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How to specify the order of CSS classes?
...nt.
The question is: in what order do the style rules appear in your .css file. In your example, .basic comes after .extra so the .basic rules will take precedence wherever possible.
If you want to provide a third possibility (e.g., that it's .basic but that the .extra rules should still apply), ...
Should I use `import os.path` or `import os`?
...os.path is a module. I always structure my packages with empty __init__.py files so that at the same level I always have one type of thing: a module/package or other stuff. Several big Python projects take this approach, which tends to make more structured code.
...
System.currentTimeMillis vs System.nanoTime
...ndows/vm/os_windows.cpp in OpenJDK (hg.openjdk.java.net/jdk8/jdk8/hotspot/file/87ee5ee27509/src/os/…). Looks like it's still GetSystemTimeAsFileTime, so I do not know where change comes from. Or if it's even valid. Test before using.
– user3458
Dec 16 '15 at...