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Is the practice of returning a C++ reference variable evil?
...erity, and for any newer programmers chancing upon this, just return the T from the function. RVO will take care of everything.
– Shoe
Apr 9 '15 at 19:59
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How can I convert byte size into a human-readable format in Java?
... is there a utility to do the reverse operation. Getting byte count from human readable byte count?
– arunmoezhi
Jun 24 '15 at 19:02
6
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Define a lambda expression that raises an Exception
...you create a callable and replace it's __code__ value with the code object from above, you get something that can be evaluated without using statements. Achieving all this, though, results in very obscure code:
map(lambda x, y, z: x.__setattr__(y, z) or x, [lambda: 0], ["__code__"], [compile("rais...
Converting a string to int in Groovy
...ne of the toInteger() methods has been deprecated. The following is taken from org.codehaus.groovy.runtime.StringGroovyMethods in Groovy 2.4.4
/**
* Parse a CharSequence into an Integer
*
* @param self a CharSequence
* @return an Integer
* @since 1.8.2
*/
public static Integer toInteger(Char...
Remove all child elements of a DOM node in JavaScript
...
From jQuery these two issues might be considered: This method removes not only child (and other descendant) elements, but also any text within the set of matched elements. This is because, according to the DOM specification, ...
How to add local .jar file dependency to build.gradle file?
...
If you really need to take that .jar from a local directory,
Add next to your module gradle (Not the app gradle file):
repositories {
flatDir {
dirs 'libs'
}
}
dependencies {
implementation name: 'gson-2.2.4'
}
However, being a standard .j...
Django FileField with upload_to determined at runtime
...deconstructible decorator.
import datetime
import os
import unicodedata
from django.core.files.storage import default_storage
from django.utils.deconstruct import deconstructible
from django.utils.encoding import force_text, force_str
@deconstructible
class UploadToPath(object):
def __init_...
Convert JSON style properties names to Java CamelCase names with GSON
...
Very simple, saves me from having to annotate a bunch of fields!
– William T. Mallard
Sep 26 '17 at 19:25
add a comment
...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
... debugger/compiler was also built by the powerpc? This is a comment I got from another user (Ned): build = where am I compiling the compiler, host = where the compiler will run, target = what code will the compiler produce. Reference: stackoverflow.com/questions/7088576/…
– ...
Incrementing a date in JavaScript
...#1 was wrong (it added 24 hours, failing to account for transitions to and from daylight saving time; Clever Human pointed out that it would fail with November 7, 2010 in the Eastern timezone). Instead, Jigar's answer is the correct way to do this without a library:
var tomorrow = new Date();
tomor...