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Meaning of “[: too many arguments” error from if [] (square brackets)
...following:
I used -e thinking it means "empty" at first; but that means "file exists" - use -z for testing empty variable (string)
String variables need to be quoted
For compound logical AND comparison, either:
use two tests and && them: [ ... ] && [ ... ]
or use the -a operator...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
...
Upgrade Genymotion and VirtualBox to the latest version.
Download two zip files:
- ARM Translation Installer v1.1
- Google Apps for your Android version: 2.3.7 - 4.4.4 or 4.4 - 6.0 (with platform and variant) You can also find the GApps list in the wbroek user GitHubGist page.
Open Genymotion emu...
How to get only the last part of a path in Python?
...gt;>> path.name
'folderD'
If you want the last folder name where a file is located:
>>> path = pathlib.PurePath('/folderA/folderB/folderC/folderD/file.py')
>>> path.parent.name
'folderD'
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Is it possible dynamically to add String to String.xml in Android?
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When you want to use a parameter from the actual strings.xml file without using any Java code:
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE resources [
<!ENTITY appname "WhereDat">
<!ENTITY author "Oded">
]>
<resources>
<string name="app_n...
What does -save-dev mean in npm install grunt --save-dev
...s pretty hard to set up and I am at the point of creating a package.json file.
6 Answers
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clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
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To Sean: On my Mac I have ~/.bash_profile not bashrc, but this would need you to restart the shell to take effect.
– peterjc
Mar 12 '14 at 10:00
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Assigning a variable NaN in python without numpy
...Fraction
>>> Fraction('nan')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python35\lib\fractions.py", line 146, in __new__
numerator)
ValueError: Invalid literal for Fraction: 'nan'
>>>
>>> Fraction(float('nan'))
Trace...
PHP convert XML to JSON
...
<?php
class XmlToJson {
public function Parse ($url) {
$fileContents= file_get_contents($url);
$fileContents = str_replace(array("\n", "\r", "\t"), '', $fileContents);
$fileContents = trim(str_replace('"', "'", $fileContents));
$simpleXml = simplexml_load_s...
How to go back in Eclipse?
... The icon navigation does not work the same way. It goes to the last file, not the last reference location. For example, if your CTRL-Click jumped to a new location in the same file, only ALT-Left works.
– cmcginty
Jan 7 '11 at 3:08
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Git diff against a stash
...an use:
git diff --name-only stash@{0} master
To easy find only changed file names.
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