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How to check if a string in Python is in ASCII?
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def is_ascii(s):
return all(ord(c) < 128 for c in s)
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Is there any performance gain in indexing a boolean field?
...udes a WHERE isok=1 . As the name implies, isok is a boolean field (actually a TINYINT(1) UNSIGNED that is set to 0 or 1 as needed).
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How is the 'use strict' statement interpreted in Node.js? [duplicate]
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"use strict";
Basically it enables the strict mode.
Strict Mode is a feature that allows you to place a program, or a function, in a "strict" operating context. In strict operating context, the method form binds this to the objects as befor...
Update a record without first querying?
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@Gabriel Won't this update all properties though? What if I only want to modify a single one?
– David Pfeffer
Aug 15 '12 at 0:45
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Clear Application's Data Programmatically
I want to clear my application's data programmatically.
6 Answers
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Can I mix Swift with C++? Like the Objective-C .mm files
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No. When you switch from .m to .mm you are actually switching from Objective-C to a different language (which has many subtle differences) called Objective-C++. So you're not really using C++; you're using Objective-C++ which accepts most C++ as input (in the same way tha...
How to import a jar in Eclipse
...ibrary folder within your source control repository and referencing few or all of them as mentioned above.
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With Git, how do I turn off the “LF will be replaced by CRLF” warning
...input and core.eol input. Or just don't let git change the line endings at all with autocrlf false and get rid of highlighting of crlfs in diffs, etc with core.whitespace cr-at-eol.
Hope this helps
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What is fastest children() or find() in jQuery?
... depends on whether you only want to consider the immediate descendants or all nodes below this one in the DOM, i.e., choose the appropriate method based on the results you desire, not the speed of the method. If performance is truly an issue, then experiment to find the best solution and use that (...
Understanding checked vs unchecked exceptions in Java
.... these that you should explicitly catch or rethrow) should not be used at all. They were eliminated in C# for example, and most languages don't have them. So you can always throw a subclass of RuntimeException (unchecked exception)
However, I think checked exceptions are useful - they are used whe...