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multiprocessing.Pool: When to use apply, apply_async or map?
...ch as
[1, 0, 4, 9, 25, 16, 49, 36, 81, 64]
Notice, unlike pool.map, the order of the results may not correspond to the order in which the pool.apply_async calls were made.
So, if you need to run a function in a separate process, but want the current process to block until that function returns...
How do I do base64 encoding on iOS?
...ally fast implementation which was ported (and modified/improved) from the PHP Core library into native Objective-C code is available in the QSStrings Class from the QSUtilities Library. I did a quick benchmark: a 5.3MB image (JPEG) file took < 50ms to encode, and about 140ms to decode.
The cod...
Django select only rows with duplicate field values
...ects.values('name')
.annotate(Count('id'))
.order_by()
.filter(id__count__gt=1)
This is as close as you can get with Django. The problem is that this will return a ValuesQuerySet with only name and count. However, you can then use this to construct a r...
git update-index --assume-unchanged returns “fatal unable to mark file”
... reset my git first:
Problem:
git update-index --assume-unchanged index.php
fatal: Unable to mark file index.php
Solution:
git reset HEAD
Unstaged changes after reset:
M index.php
git update-index --assume-unchanged index.php
...
How do I change Eclipse to use spaces instead of tabs?
...al » Editors » Text Editors » Insert spaces for tabs (check it)
For PHP:
PHP » Code Style » Formatter » Tab policy (choose "spaces")
PHP » Code Style » Formatter » Indentation size (set to 4)
For CSS:
Web » CSS » Editor » Indent using spaces (select it)
Web » CSS » Editor ...
MySQL DROP all tables, ignoring foreign keys
...ed to make porting easier. In MySQL 5.5, they do nothing."
Therefore, in order for the drop statements to work if you need:
SET FOREIGN_KEY_CHECKS = 0
This will disable referential integrity checks - so when you are done performing the drops you need, you will want to reset key checking with
S...
How to trigger a file download when clicking an HTML button or JavaScript
...s like me that to set the Content-Disposition, all you have to do is: <?php header('Content-Disposition: attachment; filename="filename.here"'); ?>
– user124384
Jul 24 '15 at 15:08
...
Biggest differences of Thrift vs Protocol Buffers?
...Java, C++, Python, Ruby, C#, Go, Objective-C, JavaScript, Node.js, Erlang, PHP, Perl, Haskell, Smalltalk, OCaml, Delphi, D, Haxe
Both could be extended to other platforms, but these are the languages bindings available out-of-the-box.
...
How to check if multiple array keys exists
...f_key returns empty => false (3v4l example)...
– CPHPython
Aug 17 '18 at 10:10
3
I think this ...
How to transform array to comma separated words string? [duplicate]
...ode(",", $array);
echo $comma_separated; // lastname,email,phone
http://php.net/manual/en/function.implode.php
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