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iphone Core Data Unresolved error while saving
...a when trying to save
but the problem that the error is not reproducible ( it appears at different times when doing different tasks)
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Permanently add a directory to PYTHONPATH?
... whatever shell you're using (.profile or whatever, depending on your favorite shell) with a command which, again, depends on the shell in question; in Windows, you can do it through the system GUI for the purpose.
superuser.com may be a better place to ask further, i.e. for more details if you nee...
How do I revert a Git repository to a previous commit?
How do I revert from my current state to a snapshot made on a certain commit?
41 Answers
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How to get the unique ID of an object which overrides hashCode()?
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System.identityHashCode(yourObject) will give the 'original' hash code of yourObject as an integer. Uniqueness isn't necessarily guaranteed. The Sun JVM implementation will give you a value which is related to the original memory address...
How to find gaps in sequential numbering in mysql?
We have a database with a table whose values were imported from another system. There is an auto-increment column, and there are no duplicate values, but there are missing values. For example, running this query:
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How to source virtualenv activate in a Bash script
...e, you're loading the activate script into your active shell.
When you do it in a script, you load it into that shell which exits when your script finishes and you're back to your original, unactivated shell.
Your best option would be to do it in a function
activate () {
. ../.env/bin/activate
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Checkout old commit and make it a new commit [duplicate]
On Git, say I mess up my commits, and I want to make the version 3 commits ago as the new version. If I do git checkout xxxx , it creates a new branch and it seems like I can only merge it? Could I make this the new "master version"?
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Injecting a mock into an AngularJS service
I have an AngularJS service written and I would like to unit test it.
7 Answers
7
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Get DateTime.Now with milliseconds precision
How can I exactly construct a time stamp of actual time with milliseconds precision?
11 Answers
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TSQL - How to use GO inside of a BEGIN .. END block?
...ges from multiple development databases to staging/production. Basically, it takes a bunch of change-scripts, and merges them into a single script, wrapping each script in a IF whatever BEGIN ... END statement.
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