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Pass ruby script file to rails console
...c "import os.path; print os.path.relpath('$1','${2:-$PWD}')";}
Example:
cd ~/rails_project/app/helpers
rr my_script.rb
Based on @moritz's answer here. I changed it, since the working directory for File.read is the Rails project root.
I know this is some serious heresy, using python to help a r...
Javascript Regex: How to put a variable inside a regular expression?
...iables as part of the regularExpressionString. For example,
var pattern="cd"
var repeats=3
new RegExp(`${pattern}{${repeats}}`, "g")
This will match any appearance of the pattern cdcdcd.
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Matching an empty input box using CSS
...or: #b03535
}
input:valid, textarea:valid {
box-shadow: 0 0 5px #5cd053;
border-color: #28921f;
}
<input type="email" name="email" placeholder="john_doe@example.com" required />
<input type="url" name="website" placeholder="http://johndoe.com"/>
<input type="text" na...
Why Maven uses JDK 1.6 but my java -version is 1.7
...t to
/Library/Java/JavaVirtualMachines/YOUR_JDK_VERSION/Contents/
E.g.
cd /System/Library/Frameworks/JavaVM.framework/Versions
sudo rm CurrentJDK
sudo ln -s /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/ CurrentJDK
Now it shall work immediately.
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eclipse stuck when building workspace
... somebody.
Step 1. Temporarily move the .projects file out of the way:
$ cd .metadata/.plugins/org.eclipse.core.resources
$ mv .projects .projects.bak
Step 2. Then start Eclipse. The metadata will be missing, but at least Eclipse starts without getting stuck.
Step 3. Close Eclipse.
Step 4. Rev...
Including a groovy script in another groovy
...tils()
def something = 'foobar'
dbUtils.save(something)
running script:
cd scripts
groovy -cp . script1.groovy
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Downloading MySQL dump from command line
...indows you need to specify the mysql bin where the mysqldump.exe resides.
cd C:\xampp\mysql\bin
mysqldump -u[username] -p[password] --all-databases > C:\localhost.sql
save this into a text file such as backup.cmd
shar...
XMLHttpRequest status 0 (responseText is empty)
...ou control. It will never be possible to directly fetch w3schools.com/XML/cd_catalog.xml using XMLHttpRequest (i.e. as per the original question), because that resource does not (at least, as of 24 Apr 2015) include any such CORS header.
– MikeBeaton
Apr 24 '1...
How do I manually create a file with a . (dot) prefix in Windows? For example, .htaccess
...
Go to command prompt, cd to the appropriate folder and type:
notepad .htaccess
After confirmation dialog the file will be created and you will be editing it directly.
If you just want to create an empty file, try
echo. > .htaccess
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Change all files and folders permissions of a directory to 644/755
... for directories and 644 for files, then you can use something like this:
cd /home/user/domains/domain.com/public_html
find . -type d -exec chmod 0755 {} \;
find . -type f -exec chmod 0644 {} \;
I tested and ... it works!
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