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How to uninstall npm modules in node js?
As commonly known, any npm module can be installed by running a simple command: npm install <module_name> .
21 Answe...
How to list running screen sessions?
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To list all of the screen sessions for a user, run the following command as that user:
screen -ls
To see all screen sessions on a specific machine you can do:
ls -laR /var/run/screen/
I get this on my machine:
gentle ~ # ls -l...
MySQL: Fastest way to count number of rows
...olumn indexes, so it will be the best result. Mysql with MyISAM engine actually stores row count, it doensn't count all rows each time you try to count all rows. (based on primary key's column)
Using PHP to count rows is not very smart, because you have to send data from mysql to php. Why do it whe...
How find all unused classes in Intellij Idea?
There is an inspection "Unused declaration" which can find all unused code in Intellij Idea. (see this question )
But I want to find all unused classes, not methods, variables etc. Only classes. (it is difficult to find only classes in 3000 result list). How I can do that?
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Removing cordova plugins from the project
Somehow in my app many of the cordova plugins are installed and because of that it requires access to almost everything - from my contacts to current location ( even though this app doesn't need this ).
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Do threads have a distinct heap?
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No. All threads share a common heap.
Each thread has a private stack, which it can quickly add and remove items from. This makes stack based memory fast, but if you use too much stack memory, as occurs in infinite recursion, yo...
How to remove all click event handlers using jQuery?
I'm having a problem. Basically, when a user clicks an 'Edit' link on a page, the following Jquery code runs:
5 Answers
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How can one change the timestamp of an old commit in Git?
...c hash of the commit you're looking to fix.
This will invalidate that and all future hashes.
Example:
If you wanted to change the dates of commit 119f9ecf58069b265ab22f1f97d2b648faf932e0, you could do so with something like this:
git filter-branch --env-filter \
'if [ $GIT_COMMIT = 119f9ecf5...
How to drop a PostgreSQL database if there are active connections to it?
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Actually it would disconnect clients one by one, and if you client is in the middle of the list it will be disconnected too. As a result, some connections will stay alive. So, the right answer is by Craig Ringer (see below). SELE...
C++ IDE for Linux? [closed]
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Initially: confusion
When originally writing this answer, I had recently made the switch from Visual Studio (with years of experience) to Linux and the first thing I did was try to find a reasonable IDE. At the time this was impo...