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namedtuple and default values for optional keyword arguments
... any case, it would be for the subclass to use justinfay's method, and the base class would be fine with Marc's method.
– Alexey
Feb 25 '18 at 9:01
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How to turn on (literally) ALL of GCC's warnings?
...int i) { return i+1; } ?
I think -Weffc++ is too noisy to be useful, it's based on the outdated first edition of Effective C++ and warns about constructs which are perfectly valid C++ (and for which the guidelines changed in later editions of the book.) I don't want to be warned that I haven't init...
Inserting multiple rows in mysql
Is the database query faster if I insert multiple rows at once:
5 Answers
5
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Is there a TRY CATCH command in Bash
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Based on some answers I found here, I made myself a small helper file to source for my projects:
trycatch.sh
#!/bin/bash
function try()
{
[[ $- = *e* ]]; SAVED_OPT_E=$?
set +e
}
function throw()
{
exit $1
}
fun...
os.path.dirname(__file__) returns empty
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Because os.path.abspath = os.path.dirname + os.path.basename does not hold. we rather have
os.path.dirname(filename) + os.path.basename(filename) == filename
Both dirname() and basename() only split the passed filename into components without taking into account the curren...
MySQL - UPDATE query based on SELECT Query
... check (from the same table) if there is an association between two events based on date-time.
11 Answers
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ruby send method passing multiple parameters
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Is it possible to declare a variable in Gradle usable in Java?
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I'm using this code and working very fine.
def baseUrl = '\"http://patelwala.com/myapi/"'
def googleServerKey = '\"87171841097-opu71rk2ps35ibv96ud57g3ktto6ioio.apps.googleusercontent.com"'
android {
buildTypes {
release {
minifyEnabled true
proguardFil...
How do I get only directories using Get-ChildItem?
...sions less than 3.0:
The FileInfo object returned by Get-ChildItem has a "base" property, PSIsContainer. You want to select only those items.
Get-ChildItem -Recurse | ?{ $_.PSIsContainer }
If you want the raw string names of the directories, you can do
Get-ChildItem -Recurse | ?{ $_.PSIsContain...
One-liner to check whether an iterator yields at least one element?
...therwise, you could use, in the sentinel role, any value which you "know" (based on application considerations) that the iterator can't possibly yield.
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