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Delete/Reset all entries in Core Data?

...ly. The programmatic way for iterating through each entity is both slower and prone to error. The use for doing it that way is if you want to delete some entities and not others. However you still need to make sure you retain referential integrity or you won't be able to persist your changes. Ju...
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Comparing numbers in Bash

...hen ... fi For POSIX shells that don't support (()), you can use -lt and -gt. if [ "$a" -gt "$b" ]; then ... fi You can get a full list of comparison operators with help test or man test. share | ...
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Locking a file in Python

... for the program to terminate in such a way that the lock is left in place and you have to manually delete the lock before the file becomes accessible again. However, that aside, this is still a good solution. – leetNightshade Nov 8 '12 at 21:27 ...
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How to use git with gnome-keyring integration

... I was hesitant to do this at first, but I did finally and it works perfectly. As the docs for gitcredentials say, you might also want to do git help -a | grep credential- and see if you have other helpers installed. Ones that come by default are credential-cache (remember passwo...
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How to jump from Intellij terminal to editor with shortcut

...ention, I wanted to remind everyone that you can toggle between the editor and the terminal window easily enough with a built in action. By default it is mapped to Alt+F12 and ⌥F12. To check other mappings, view it in the menu at View > Tool Windows > Terminal. Alternatively go to the Workin...
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How can I do an asc and desc sort using underscore.js?

...derscorejs for sort my json sorting. Now I have asked to do an ascending and descending sorting using underscore.js. I do not see anything regarding the same in the documentation. How can I achieve this? ...
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How can I specify a local gem in my Gemfile?

...ts under version control. It lets you keep checking in both projects - gem and project using the gem - such that others can don't have to check out the gem source or share the same paths. – mahemoff Jun 12 '14 at 8:42 ...
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Insert text into textarea with jQuery

... How about if the result is coming from a PHP page and handled by jQuery? (in between data is transmitted using Json) – Abu Rayane Apr 1 '16 at 6:31 ...
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Truststore and Keystore Definitions

What's the difference between a keystore and a truststore? 6 Answers 6 ...
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Git alias with positional parameters

...-status \"$1^\" \"$1\"; }; f" An alias without ! is treated as a Git command; e.g. commit-all = commit -a. With the !, it's run as its own command in the shell, letting you use stronger magic like this. UPD Because commands are executed at the root of repository you may use ${GIT_PREFIX} variab...