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Is 'float a = 3.0;' a correct statement?
... @ChristianHackl Converting 4.2 to 4.2f may have the side effect of setting the FE_INEXACT flag, depending on the compiler and system, and some (admittedly few) programs do care about which floating-point operations are exact, and which aren't, and test for that flag. This means that the simp...
Push git commits & tags simultaneously
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As of git 2.4.1, you can do
git config --global push.followTags true
If set to true enable --follow-tags option by default.
You may override this configuration at time of push by specifying --no-follow-tags.
As noted in this thread by Matt Rogers answering Wes Hurd:
--follow-tags only pushes ann...
Can I get chrome-devtools to actually search all JS sources?
...ipts used by extensions and the internal browser API, you enable it in the Settings of DevTools and then from any panel in DevTools you can type Ctrl + Shift + F or (on Mac) Options + Command + F (⌥⌘F) to search across all sources, snippets, and files.
Even more helpful to what you may be needi...
Undoing a 'git push'
... origin cc4b63bebb6:alpha-0.3.0
You may have receive.denyNonFastForwards set on the remote repository. If this is the case, then you will get an error which includes the phrase [remote rejected].
In this scenario, you will have to delete and recreate the branch.
git push origin :alpha-0.3.0
git ...
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 correctly prefix a word with “a” and “an”?
...t's one of the largest easily available, up to date, natural language data set I could think of. However, any additional data source is fine too, of course - the algorithm doesn't depend on wikipedia, after all. You can try out the online implementation at home.nerbonne.org/A-vs-An or my blog
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How do I retrieve the number of columns in a Pandas data frame?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
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else {
createEditor();
...
How to check if a file is empty in Bash?
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You can also set -u
– Jon McClung
Aug 20 '19 at 19:54
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show 4 more comments
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JavaScript closures vs. anonymous functions
...explained in this post. However we are only interested in identifying a subset of these functions which are interesting from a theoretical point of view. Henceforth any reference to the word closure will refer to this subset of functions unless otherwise stated.
A simple explanation for closures:
...
What is Scala's yield?
...nerators, where you may use yield too).
It is applied in combination with for and writes a new element into the resulting sequence.
Simple example (from scala-lang)
/** Turn command line arguments to uppercase */
object Main {
def main(args: Array[String]) {
val res = for (a <- args) yie...