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Remove ALL white spaces from text
...er means to repeat the search through the entire string. Read about this, and other RegEx modifiers available in JavaScript here.
If you want to match all whitespace, and not just the literal space character, use \s instead:
.replace(/\s/g,'')
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Create an empty data.frame
...hout any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result.
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Set Focus on EditText
I have an EditText-Field and set an OnFocusChangeListener for it. When it has lost focus, a method is called, which checks the value of the EditText with one in the database. If the return-value of the method is true, a toast is shown and the focus should get back on the EditText again. The focus sh...
How to debug an apache virtual host configuration?
...ck configuration files for syntax errors:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -t
# Debian-based (Ubuntu)
apache2ctl -t
# MacOS
apachectl -t
List virtual hosts
To list all virtual hosts, and their locations:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -S
# Debian-based (Ubuntu)
apac...
Github (SSH) via public WIFI, port 22 blocked
I'm currently on a public WIFI spot and I'm unable to use SSH (they probably blocked that port). However, I need that connection to do a git push .
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How can I view the shared preferences file using Android Studio?
...on my phone. I found many ways to do this on Eclipse, but I'm debugging on Android Studio. My phone is rooted. I read that having root access is important to read these types of files. If there is no way, then I will look up how to access the info through my program then output it to log cat. Hopefu...
How do I close all open tabs at once?
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Shortest/simplest/fastest way would be:
:qa
To save work in all tabs and quit:
:wqa
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Sending an Intent to browser to open specific URL [duplicate]
...ng how to fire up an Intent to the phone's browser to open an specific URL and display it.
10 Answers
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Why does google.load cause my page to go blank?
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You just have to define a callback, and it will not clear the page (maybe the older versions of google.load() did, but apparently the new ones do not if used with callback). Here a simplified example when I'm loading the "google.charts" lib:
if(google) {
g...
Putting uncommitted changes at Master to a new branch by Git
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You can just checkout to the test branch and then commit. You don't lose your uncommited changes when moving to another branch.
Supposing you are at the master branch:
git checkout test
git add .
git add deletedFile1
git add deletedFile2
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git commit -m "My Cust...