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It is more efficient to use if-return-return or if-else-return?
...the if condition is false anyway.
Note that Python supports a syntax that allows you to use only one return statement in your case:
return A+1 if A > B else A-1
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How to turn off the Eclipse code formatter for certain sections of Java code?
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Eclipse 3.6 allows you to turn off formatting by placing a special comment, like
// @formatter:off
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// @formatter:on
The on/off features have to be turned "on" in Eclipse preferences: Java > Code Style > Formatter. Click on ...
How to preventDefault on anchor tags?
...fault();
});
}
}
};
});
It checks all anchor tags (<a></a>) to see if their href attribute is either an empty string ("") or a hash ('#') or there is an ng-click assignment. If it finds any of these conditions, it catches the event and prevents t...
How to design a database for User Defined Fields?
...rformance is the primary concern, I would go with #6... a table per UDF (really, this is a variant of #2). This answer is specifically tailored to this situation and the description of the data distribution and access patterns described.
Pros:
Because you indicate that some UDFs
have values for a...
What is a database transaction?
... you want to treat as "a whole." It has to either happen in full or not at all.
A classical example is transferring money from one bank account to another. To do that you have first to withdraw the amount from the source account, and then deposit it to the destination account. The operation has to ...
how do I use the grep --include option for multiple file types?
When I want to grep all the html files in some directory, I do the following
7 Answers
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How to ignore files/directories in TFS for avoiding them to go to central source repository?
...orer to name it .nuget. for it to successfully save as .nuget (it automatically removes the last period) but directly trying to name it .nuget may not work (you may get an error or it may change the name, depending on your version of Windows).
Or name the directory nuget, and open the parent directo...
Cookie blocked/not saved in IFRAME in Internet Explorer
...s.asp . When I open the form (" someform.asp ") in its own browser window, all works well.
However, when I load someform.asp as an IFRAME in IE 6 or IE 7, the cookies for example.com are not saved. In Firefox this problem doesn't appear.
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Linux vi arrow keys broken in insert mode
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@pts - only on broken systems. Starting vim as vi on all of my boxes works just fine; however, there are some CentOS boxes I have used that demonstrate the behavior you are talking about.
– Chas. Owens
May 1 '09 at 22:22
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Giving UIView rounded corners
...ew controller's constructor, but rather in -viewDidLoad, after view is actually instantiated.
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