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Can not connect to local PostgreSQL
...really looks like a file permissions error. Unix domain sockets are files and have user permissions just like any other. It looks as though the OSX user attempting to access the database does not have file permissions to access the socket file. To confirm this I've done some tests on Ubuntu and p...
How do I change the Javadocs template generated in Eclipse?
... Comment / Type
You can replace the author tag by whatever value you need and it will have an effect on new generated classes.
However, if the template is fine, but the value referenced buy the author tag is not, see this SO question:
${user} uses the value of the user.name environment variab...
Generate a random letter in Python
Is there a way to generate random letters in Python (like random.randint but for letters)? The range functionality of random.randint would be nice but having a generator that just outputs a random letter would be better than nothing.
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Replacing instances of a character in a string
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Strings in python are immutable, so you cannot treat them as a list and assign to indices.
Use .replace() instead:
line = line.replace(';', ':')
If you need to replace only certain semicolons, you'll need to be more specific. You could use slicing to isolate the section of the string to r...
Creating a system overlay window (always on top)
... wm.addView(mView, params);
}
Now, you will start getting each and every click event. So, you need to rectify in your event handler.
In your ViewGroup touch event
@Override
public boolean onTouchEvent(MotionEvent event) {
// ATTENTION: GET THE X,Y OF EVENT FROM THE PARAMETER
/...
How to run Node.js as a background process and never die?
...to keep running):
nohup node server.js &
There's also the jobs command to see an indexed list of those backgrounded processes. And you can kill a backgrounded process by running kill %1 or kill %2 with the number being the index of the process.
Powerful solution (allows you to reconnect to ...
Check if two lists are equal [duplicate]
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Slow and doesn't handle duplicates. [1, 1, 2] != [1, 2, 2]
– CodesInChaos
Mar 4 '14 at 15:42
1
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
...is article author describes how to fetch the certificate from your browser and add it to cacerts file of your JVM. You can either edit JAVA_HOME/jre/lib/security/cacerts file or run you application with -Djavax.net.ssl.trustStore parameter. Verify which JDK/JRE you are using too as this is often a s...
Getting the first index of an object
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As Ben Alpert points out, properties of Javascript objects are unordered, and your code is broken if you expect them to enumerate in the same order that they are specified in the object literal—there is no "first" property.
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Suppress/ print without b' prefix for bytes in Python 3
... postfix: "",
imageUploader: {
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