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What are best practices that you use when writing Objective-C and Cocoa? [closed]
...te thread. Make sure to wrap anything that modifies the database for query strings in @synchronize() {} blocks. For short queries just leave things on the main thread for easier convenience.
More SQLite optimization tips are here, though the document appears out of date many of the points are prob...
Rails: how do I validate that something is a boolean?
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This does not work, as any string eg, "foo" will be converted into true.
– Ka Mok
Jun 4 '18 at 22:55
add a comment
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SortedList, SortedDictionary and Dictionary
...on the Key values (defined in an IComparer). For example, if your Keys are Strings, then your Collection will by default be processed per the alphabetical order of your Keys, but you could always define a custom sorting rule.
– Ama
Feb 20 '19 at 14:44
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Why use the params keyword?
...e ill-advised. I don't think there's any reason to avoid it if you need a string and 0-to-many ints or whatever.
– Casey
Mar 9 '17 at 17:52
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LEN function not including trailing spaces in SQL Server
....aspx, which states LEN "returns the number of characters of the specified string expression, excluding trailing blanks". It is, however, an easy detail on to miss if you're not wary.
You need to instead use the DATALENGTH function - see http://msdn.microsoft.com/en-us/library/ms173486(SQL.90).asp...
How do I get Pyflakes to ignore a statement?
...ring a whole block you might want to add 'pyflakes:ignore' in the block docstring and filter based on node.doc.
Good luck!
I am using pocket-lint for all kind of static code analysis. Here are the changes made in pocket-lint for ignoring pyflakes: https://code.launchpad.net/~adiroiban/pocket-lin...
How to use __doPostBack()
...nd operate upon it:
public void Page_Load(object sender, EventArgs e)
{
string parameter = Request["__EVENTARGUMENT"]; // parameter
// Request["__EVENTTARGET"]; // btnSave
}
Give that a try and let us know if that worked for you.
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IN clause and placeholders
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A string of the form "?, ?, ..., ?" can be a dynamically created string and safely put into the original SQL query (because it is a restricted form that does not contain external data) and then the placeholders can be used as n...
How to PUT a json object with an array using curl
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Your command line should have a -d/--data inserted before the string you want to send in the PUT, and you want to set the Content-Type and not Accept.
curl -H 'Content-Type: application/json' -X PUT -d '[JSON]' http://example.com/service
Using the exact JSON data from the question, t...
How to get StackPanel's children to fill maximum space downward?
...g space up between its child elements (giving them each the same amount of extra space). Elements should render fine if they are given more space than they wanted, but if you give them less you will start to see glitches.
If you want to be able to scroll the whole thing then I am afraid things wil...