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How do I compare version numbers in Python?
...on)
True
>>> version.Version("1.3.xy123")
Traceback (most recent call last):
...
packaging.version.InvalidVersion: Invalid version: '1.3.xy123'
packaging.version.parse is a third-party utility but is used by setuptools (so you probably already have it installed) and is conformant to the c...
Accessing the index in 'for' loops?
... additional state variable, such as an index variable (which you would normally use in languages such as C or PHP), is considered non-pythonic.
The better option is to use the built-in function enumerate(), available in both Python 2 and 3:
for idx, val in enumerate(ints):
print(idx, val)
Ch...
Android Layout with ListView and Buttons
...
That's what I've basically been using, though I'm writing the layout in Java. The listView still extends over the buttons.
– Kleptine
Mar 5 '10 at 1:28
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How to output only captured groups with sed?
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Ask your sysadmin to install gsed. You'd be amazed at what a few donuts will get you...
– avgvstvs
Dec 11 '12 at 13:08
3
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How to generate a core dump in Linux on a segmentation fault?
...
Well I had a "small" OpenGL project, that once did some weird thing, and caused X-server crash. When I logged back, I saw a cute little 17 GB core file (on a 25 GB partition). It's definitely a good idea to keep the core file's size limited ...
What is PAGEIOLATCH_SH wait type in SQL Server?
...u already have a basic knowledge of SQL, you could read Joe Celko's books (all of them but especially SQL for Smarties and Thinking in Sets) and my blog of course :)
– Quassnoi
Feb 3 '11 at 12:01
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How do you implement a Stack and a Queue in JavaScript?
...ered Oct 19 '09 at 18:19
Corey BallouCorey Ballou
37.6k88 gold badges5959 silver badges7474 bronze badges
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Firefox Web Console Disabled?
...
This happens when the page itself defines a global variable called console, for example. If the page is browser-sniffing to decide whether to define it, the behavior could differ in different browsers.
In the case of Firefox it also happens when Firebug is installed and its console i...
Bootstrap: align input with button
...), where .form-horizontal will place a space between them.
-- Note --
To allow the input and button elements to be next to each other without spacing, the font-size has been set to 0 in the .input-append class (this removes the white spacing between the inline-block elements). This may have an adv...
Saving and loading objects and using pickle
...
As for your second problem:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python31\lib\pickle.py", line
1365, in load encoding=encoding,
errors=errors).load() EOFError
After you have read the contents of the file, the file po...