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How to find out if a Python object is a string?
...r with unicode.
However, you may not need to do explicit type checking at all. "Duck typing" may fit your needs. See http://docs.python.org/glossary.html#term-duck-typing.
See also What’s the canonical way to check for type in python?
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Web colors in an Android color xml resource file
What do all of the X11/w3c color codes look like in the format of an Android XML resource file?
11 Answers
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Is it possible to define more than one function per file in MATLAB, and access them from outside tha
...ion in an m-file (i.e. the main function), is invoked when that m-file is called. It is not required that the main function have the same name as the m-file, but for clarity it should. When the function and file name differ, the file name must be used to call the main function.
All subsequent funct...
Why is SELECT * considered harmful?
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There are really three major reasons:
Inefficiency in moving data to the consumer. When you SELECT *, you're often retrieving more columns from the database than your application really needs to function. This causes more data to mov...
Is there any way to ignore INSTALL_FAILED_VERSION_DOWNGRADE on application install with the Android
...ike the most recent Android 4.2 has introduced this error condition on installation when one attempts to install an APK with a lower version. In prior versions of Android, one would be able to install older APK's simply via adb install -r <link to APK> . For debugging purposes, I frequently ...
Get users by name property using Firebase
...Previously, Firebase required you to generate your own indexes or download all data at a location to find and retrieve elements that matched some child attribute (for example, all users with name === "Alex").
In October 2014, Firebase rolled out new querying functionality via the orderByChild() met...
Removing trailing newline character from fgets() input
...s still generally better to use the non-standard (but common enough) strtok_r() variant.
– Michael Burr
Apr 22 '10 at 21:36
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Concatenating two std::vectors
... If you have concatenating several vectors to one, is it helpful to call reserve on the destination vector first?
– Faheem Mitha
Feb 4 '12 at 23:07
33
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What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...ceeds the size of the stack, and it has to be re-created. So there can actually, depending on the use case, be a performance increase when using new Array() because you can prevent the overflow from happening.
As pointed out in this answer, new Array(5) will not actually add five undefined items to...
Is there a way to do method overloading in TypeScript?
...hod implementation that checks its arguments to decide which overload was called. The signature of the implementation has to be compatible with all of the overloads.
class TestClass {
someMethod(stringParameter: string): void;
someMethod(numberParameter: number, stringParameter: string): vo...