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How to match, but not capture, part of a regex?
I have a list of strings. Some of them are of the form 123-...456 . The variable portion "..." may be:
7 Answers
...
Cleaning up the iPhone simulator
...subscriptions. On a real device, you can remove a calendar subscription in Settings > Accounts but this menu does not exist on iOS Simulator and I did not want to reset the whole simulator. So I ended up locally versioning my Device folder with git and perform a git reset HEAD --hard && g...
Transpose list of lists
...
How about
map(list, zip(*l))
--> [[1, 4, 7], [2, 5, 8], [3, 6, 9]]
For python 3.x users can use
list(map(list, zip(*l)))
Explanation:
There are two things we need to know to understand what's going on:
The signature of zip: zip(*iterables) This means zip expects an arbitrary number of ...
How to get the sizes of the tables of a MySQL database?
...08 |
| keyword | 0.02 |
+---------+-----------+
2 rows in set (0.00 sec)
For the specific table:
Suppose your TABLE_NAME is "news". Then SQL query will be-
SELECT
TABLE_NAME AS `Table`,
ROUND(((DATA_LENGTH + INDEX_LENGTH) / 1024 / 1024),2) AS `Size (MB)`
FROM
information_sc...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...removal of semi-colons etc have huge implications for the language. You're setting up a false dichotomy here, IMO.
– Jon Skeet
Aug 13 '11 at 5:59
18
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Converting Dictionary to List? [duplicate]
... is that you have key and value in quotes making them strings, i.e. you're setting aKey to contain the string "key" and not the value of the variable key. Also, you're not clearing out the temp list, so you're adding to it each time, instead of just having two items in it.
To fix your code, try so...
File being used by another process after using File.Create()
I'm trying to detect if a file exists at runtime, if not, create it. However I'm getting this error when I try to write to it:
...
Check to see if a string is serialized?
...h this another way, so I did this just as a mental exercise
<?php
ini_set( 'display_errors', 1 );
ini_set( 'track_errors', 1 );
error_reporting( E_ALL );
$valueToUnserialize = serialize( false );
//$valueToUnserialize = "a"; # uncomment this for another test
$unserialized = @unserialize( $val...
Encoding an image file with base64
... editor after snippets, if snippets enabled
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In Unix, how do you remove everything in the current directory and below it?
...
Practice safe computing. Simply go up one level in the hierarchy and don't use a wildcard expression:
cd ..; rm -rf -- <dir-to-remove>
The two dashes -- tell rm that <dir-to-remove> is not a command-line option, even whe...