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How to detect unused methods and #import in Objective-C
...pecific compiler warnings that can warn you of some types of unused code. (Select the project in the source list and File > Get Info, then select the Build tab.) Here are a few (which show up for Clang and GCC 4.2 for me) which may be of interest:
Unused Functions
Unused Parameters
Unused Value...
How do I copy SQL Azure database to my local development server?
... as simple as pressing an "Export" button in the Azure web portal when you select the database you want to export. The downside is that it is only manual procedure, I don't know a way to automate this through tools or scripts -- at least the first part that requires a click on the web page.
Manual...
How to split a String by space
...the trim caveat, you might want to consider the unicode non-breaking space character (U+00A0). This character prints just like a regular space in string, and often lurks in copy-pasted text from rich text editors or web pages. They are not handled by .trim() which tests for characters to remove usin...
SELECT INTO Variable in MySQL DECLARE causes syntax error?
I´d like to SELECT a single value into a variable. I´d tried to following:
11 Answers
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How to clear variables in ipython?
...r @ErdemKAYA comment.
To erase a variable, use the magic command:
%reset_selective <regular_expression>
The variables that are erased from the namespace are the one matching the given <regular_expression>.
Therefore
%reset_selective -f a
will erase all the variables containing a...
How to delete (not cut) in Vim?
...while <leader>d deletes for real and <leader>p throws away the selected text and pastes the content of the default register. <leader>p allows me to paste the same text multiple times without having to use named registers.
– romainl
Aug 16 '12 ...
What is the reason not to use select *?
...eople claim that you should specifically name each column you want in your select query.
20 Answers
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Convert a list of characters into a string
If I have a list of chars:
9 Answers
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Does a `+` in a URL scheme/host/path represent a space?
...ncoding in the path section of a URL is expected to be decoded, but
any + characters in the path component is expected to be treated literally.
To be explicit: + is only a special character in the query component.
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What's the difference between IQueryable and IEnumerable
...to execute the entire query against the underlying data source (like using SELECT TOP 1 in SQL).
See:
The .NET Standard Query Operators
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