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How can I check if a string is null or empty in PowerShell?
... of saying it may not be a whitespace, some remove commands might remove a root folder instead of a subfolder if the subfolder name is a "white space", all the reason not to accept a string containing whitespaces in many cases.
I find this is the best way to accomplish it:
$STR1 = $null
IF ([strin...
GitHub authentication failing over https, returning wrong email address
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GitHub's support determined the root of the issue right away: Two-factor authorization.
To use GitHub over the shell with https, create an OAuth token. As the page notes, I did have to remove my username and password credentials from Keychain but with osx-...
is there an virtual environment for node.js?
...u're in a directory of a project that has a node_modules/ directory in the root, you can type nodebin and then you can use all the commands that are in the .bin/ directory!
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Why is printing “B” dramatically slower than printing “#”?
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edited Mar 3 at 6:14
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answered Sep 5 '19 at 5:25
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UITableViewHeaderFooterView: Unable to change background color
...roundView.alpha = 0.5.
(of course, any color will do)
When using XIB, make root view a UITableViewHeaderFooterView and associate the backgroundView programmatically:
Register with:
tableView.register(UINib(nibName: "View", bundle: nil),
forHeaderFooterViewReuseIdentifier: "heade...
How do I use 'git reset --hard HEAD' to revert to a previous commit? [duplicate]
...untracked files, where as git-clean will remove any files from the tracked root directory that are not under Git tracking.
Alternatively, as @Paul Betts said, you can do this (beware though - that removes all ignored files too)
git clean -df
git clean -xdf CAUTION! This will also delete ignored f...
Build unsigned APK file with Android Studio
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Task 'assemble' not found in root project 'bin'.
– nVentimiglia
Aug 10 '15 at 19:23
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How to change Rails 3 server default port in develoment?
...matically be run when you run "rails" with Rails 3 gems installed from the root of your application.
APP_PATH = File.expand_path('../../config/application', __FILE__)
require File.expand_path('../../config/boot', __FILE__)
# THIS IS NEW:
require "rails/commands/server"
module Rails
class Serve...
deny direct access to a folder and file by htaccess
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I would just move the includes folder out of the web-root, but if you want to block direct access to the whole includes folder, you can put a .htaccess file in that folder that contains just:
deny from all
That way you cannot open any file from that folder, but you can inclu...
How to implement history.back() in angular.js
...indow. You seem to be using the $window Angular service. Maybe this is the root cause?
– superjos
Mar 6 '13 at 19:11
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