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Getting the last element of a list
...t element
>>> some_list
[1, 3, 5]
Note that getting a list item by index will raise an IndexError if the expected item doesn't exist. This means that some_list[-1] will raise an exception if some_list is empty, because an empty list can't have a last element.
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.rar, .zip files MIME Type
... Here is how you could check if the file is a RAR or ZIP file. I tested it by creating a quick command line application.
<?php
if (isRarOrZip($argv[1])) {
echo 'It is probably a RAR or ZIP file.';
} else {
echo 'It is probably not a RAR or ZIP file.';
}
function isRarOrZip($file) {
...
How to install pip with Python 3?
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distribute has since been superseded by [setup_tools] (pypi.python.org/pypi/setuptools).
– wegry
Aug 3 '13 at 22:07
4
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Merge pull request to a different branch than default, in Github
A pull request comes into my repo hosted on Github. By default it is merged into the master branch.
6 Answers
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Installed Java 7 on Mac OS X but Terminal is still using version 6
... I think they got rid of Java Preferences at some point. It's not found by Spotlight on my box. Running 10.8.5.
– quickshiftin
Dec 9 '13 at 18:58
1
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Get value from NSTextField
...:myObject]
Now, you can find out when something happens in the textfield by implementing methods in MyObject like:
-(void)controlTextDidEndEditing:(NSNotification *)aNotification;
-(void)controlTextDidChange:(NSNotification *)aNotification;
-(void)controlTextDidBeginEditing:(NSNotification *)aNot...
Javascript foreach loop on associative array object
...orEach() is called with each key and the key's index in the array returned by Object.keys(). It's also passed the array through which the function is iterating, but that array is not really useful to us; we need the original object. That can be accessed directly by name, but (in my opinion) it's a ...
The object 'DF__*' is dependent on column '*' - Changing int to double
...anging your field type.
The constraint is typically created automatically by the DBMS (SQL Server).
To see the constraint associated with the table, expand the table attributes in Object explorer, followed by the category Constraints as shown below:
You must remove the constraint before changin...
How can I delete a git alias?
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You can remove it by deleting that line from the configuration file or you can try this:
git config --global --unset alias.YourAlias
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What is the Swift equivalent to Objective-C's “@synchronized”?
...nderstated how good this articles is. All should read. (Please upvote this by the minimum to make it initially visible, but no more.)
– t0rst
Nov 24 '16 at 10:13
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