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jQuery .hasClass() vs .is()
...ore to do where is hasClass is limited which only checks for a class being set or not.
Hence, hasClass should be faster if performance at any level is your priority.
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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...provided (i.e. source from a list it will be deterministic, sourced from a set or dict not so much).
How does one go about verifying if OrderedDict actually maintains an order. Since a dict has an unpredictable order, what if my test vectors luckily has the same initial order as the unpredictabl...
jQuery: keyPress Backspace won't fire?
..., so one way to handle this is to use keydown to catch all keystrokes then set a timeout of a short interval so that the key is entered, then do processing in there after.
jQuery(el).keydown( function() {
var that = this; setTimeout( function(){
/** Code that processes backspace, e...
Providing a default value for an Optional in Swift?
...same as the type contained in the Optional. As it stands, type inferencing sets T based on the parameter given to getOrElse, and then fails at runtime if this does not match the Optional and the Optional is non-nil:
let x: Int?
let y = x.getOrElse(1.414) // y inferred as Double, assigned 1.414
le...
How to supply value to an annotation from a Constant java
...mething at runtime has literally nothing to do with when their values were set.
– Fund Monica's Lawsuit
Aug 15 '18 at 20:24
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What is the difference between null and undefined in JavaScript?
... so basically null value means a variable has been explicitly set as (no value = null) or has been initialized and defined to be nothing. While undefined means. it was probably never initialized or if it was it was never defined.
– Muhammad Umer
Au...
How to open a file for both reading and writing?
...have read the file, the file pointer(fp) has moved forward, so you need to set it to the beginning. That's that seek(0) does: it places the fp to position 0 (i.e. the beginning). truncate() truncate the file to the provided number of bytes, i.e. removes all of the file content after the specified nu...
How can I get a list of build targets in Ant?
..."${ant.file}" />
</java>
</target>
which you can then set as the default, so just typing ant will list the available targets.
(Combining @Grodriguez' answer and @sschuberth's comment - I thought it was worth an answer by itself)
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Contributing to project on github, how to “rebase my pull request on top of master”
...itself is fast forwarded to this newly rebased head. Rebases automatically set the committer of the rebased commits to the current user, while keeping authorship information intact. The pull request's branch will not be modified by this operation.
If a rebase can't be performed due to conflicts, we'...
How to properly add include directories with CMake
...es to the list of your source files for the current target, for instance:
set(SOURCES file.cpp file2.cpp ${YOUR_DIRECTORY}/file1.h ${YOUR_DIRECTORY}/file2.h)
add_executable(test ${SOURCES})
This way, the header files will appear as dependencies in the Makefile, and also for example in the generat...