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Why is #!/usr/bin/env bash superior to #!/bin/bash?
...h_installed_on_this_system="$(\
awk -F'/' '$NF == "bash"{print}' "/etc/shells"\
)"
for bash in $all_bash_installed_on_this_system
do
versinfo="$( $bash -c 'echo ${BASH_VERSINFO}' )"
[ "${versinfo}" -eq "${DESIRED_VERSION}" ] && { found=1 ; break;}
...
How to display gpg key details without importing it?
... ACK, this is very good, doesn't require local personal keyring etc. does display the key name... works best.
– Florian Heigl
Apr 30 '17 at 16:22
...
Can I use my existing git repo with openshift?
...tbucket-repo-url>
Your local clone has then your other repo (bitbucket etc.) as remote repo. Your remote repo is stored with the alias "origin" (the default alias used by git if you clone). You then add the openshift repo as remote to your clone. You do that while explicitly using an alias for t...
Android DialogFragment vs Dialog
...
You could also fetch the target fragment by setting a tag to the target and using FragmentManager's findFragmentByTag. But yeah, it requires a fair bit of code.
– hrnt
Nov 2 '11 at 9:53
...
Following git-flow how should you handle a hotfix of an earlier release?
...aster to track production. Instead, use branches like release1, release2, etc.
In this approach, you may not even need a hotfix branch. You could fix the problem on the release1 branch. When the fix is good enough, create a release1.1 tag on the release1 branch.
...
mongodb count num of distinct values per field/key
...hie said is that if the grouping is done just "regular" field (string, int etc.) then you don't need the unwind step. Isn't it correct?
– guyarad
Oct 19 '17 at 10:00
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npm install vs. update - what's the difference?
... If install and update work differently on git URLs, git tags, etc. specified in the package.json then it would be great to add those cases to the example.
– joeytwiddle
Oct 27 '16 at 10:29
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Java 8 Streams - collect vs reduce
...al reduction is meant to combine two immutable values such as int, double, etc. and produce a new one; it’s an immutable reduction. In contrast, the collect method is designed to mutate a container to accumulate the result it’s supposed to produce.
To illustrate the problem, let's suppose you ...
Android studio, gradle and NDK
... for each architecture you’re targeting (e.g. x86, arm, mips, arm64-v8a, etc…)
The code you want to be compiled by default by the NDK toolchain will be located in (module)/src/main/jni and similarly to above, you can change it by setting sourceSets.main.jni.srcDirs in your module’s build....
What does functools.wraps do?
...unctionality of copying over the function name, docstring, arguments list, etc. And since wraps is itself a decorator, the following code does the correct thing:
from functools import wraps
def logged(func):
@wraps(func)
def with_logging(*args, **kwargs):
print(func.__name__ + " wa...