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How do I parse JSON with Objective-C?
...il data raises an exception, and who
// knows how your third-party library intends to react?
if(NSClassFromString(@"NSJSONSerialization"))
{
NSError *error = nil;
id object = [NSJSONSerialization
JSONObjectWithData:returnedData
options:0
...
How do I execute a program from Python? os.system fails due to spaces in path
.... As mentioned above, Windows only understands double-quotes.
Python will convert forward-slashed to backslashes on Windows, so you can use
os.system('"C://Temp/a b c/Notepad.exe"')
The ' is consumed by Python, which then passes "C://Temp/a b c/Notepad.exe" (as a Windows path, no double-backslas...
Get size of an Iterable in Java
...
He says that he's not interested in the elements and doesn't care if they are removed though.
– aioobe
Jul 22 '12 at 9:13
...
What .NET collection provides the fastest search
...
@Brian: good point. I was assuming (baselessly) Record.Key was a builtin type of some kind.
– Jimmy
Jun 17 '09 at 19:59
...
Create table with jQuery - append
...
var filesizeInMB = (filesizeInBytes / (1024*1024)).toFixed(2); // convert the file size from bytes to mb
var filename = input.files[i].name;
select.append($('<tr><td>'+filename+'</td><td>'+filesizeInMB+'</td></tr>'));
totalsizeOfUp...
How to clear variables in ipython?
...
You could convert your script into a function to keep the global namespace clean.
– Robert Pollak
Feb 10 '15 at 9:56
...
Postgres NOT in array
... it with coalesce(), e.g.
(some_value != ALL(coalesce(some_array, array[]::int[])))
Or
NOT (some_value = ANY(coalesce(some_array, array[]::int[])))
From the docs:
If the array expression yields a null array, the result of ANY will be null
If the array expression yields a null array, the result of...
JavaScript string newline character?
...n all handle \n just fine when setting the value, though IE and Opera will convert that back to \r\n again internally. There's a SitePoint article with some more details called Line endings in Javascript.
Note also that this is independent of the actual line endings in the HTML file itself (both \n...
How to list the tables in a SQLite database file that was opened with ATTACH?
...tables ?PATTERN? List names of tables matching a LIKE pattern
Which converts to the following SQL:
SELECT name FROM sqlite_master
WHERE type IN ('table','view') AND name NOT LIKE 'sqlite_%'
UNION ALL
SELECT name FROM sqlite_temp_master
WHERE type IN ('table','view')
ORDER BY 1
...
Tick symbol in HTML/XHTML
...j0FADs=");
}
Of course you can create your own checkmark image and use a converter to add it as data:image/gif. Hope this helps.
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