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NSString property: copy or retain?
...u write yourself), it is usually better to retain them rather than copy in order to avoid wasting time and memory.
– Rob Napier
Apr 27 '10 at 0:08
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What is PEP8's E128: continuation line under-indented for visual indent?
...rs(sample_generators['test'])
Which will give the same style-warning. In order to get rid of it I had to rewrite it to:
return \
combine_sample_generators(sample_generators['train']), \
combine_sample_generators(sample_generators['dev']), \
combine_sample_generators(sa...
'Contains()' workaround using Linq to Entities?
...hat I used to generate some e-sql from a collection, YMMV:
string[] ids = orders.Select(x=>x.ProductID.ToString()).ToArray();
return CurrentDataSource.Products.Where("it.ID IN {" + string.Join(",", ids) + "}");
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How to perform a real time search and filter on a HTML table
...ctionality using regular expressions will allow you to search words in any order in the row. It will work the same if you type apple green or green apple:
var $rows = $('#table tr');
$('#search').keyup(function() {
var val = '^(?=.*\\b' + $.trim($(this).val()).split(/\s+/).join('\\b)(?=.*\\b')...
How to send a message to a particular client with socket.io
...e:
|id | name
|1 | Scott
|2 | Susan
"room" name will be "1-2" (ids are ordered Asc.) and on disconnect socket.io automatically cleans up the room
this way you send messages just to that room and only to online (connected) users (less packages sent throughout the server).
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onKeyPress Vs. onKeyUp and onKeyDown
...y triggers both handlers to be pushed into the event queue, but in a fixed order. "you just want to have an argument for argument's sake" - Eh? The core thesis of your answer is that keypress, keyup, and keydown are analogous to click, mouseup, and mousedown. The natural interpretation of that, to m...
What are file descriptors, explained in simple terms?
...alf of shell when the program starts.
FD's are allocated in the sequential order, meaning the lowest possible unallocated integer value.
FD's for a particular process can be seen in /proc/$pid/fd (on Unix based systems).
sh...
Using pg_dump to only get insert statements from one table within database
...s is another option; it restores slightly faster but can't tolerate column order changes
– Andy
Mar 29 at 5:46
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Split string into an array in Bash
...on it), but it's undesirable to have to mess with global shell settings in order to hack a basic string-to-array parsing operation in local code.
Another issue with this answer is that all empty fields will be lost. This may or may not be a problem, depending on the application.
Note: If you're go...
How to set a bitmap from resource
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