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Get checkbox value in jQuery
... @Jawa: The first one was just an example to show the syntax and thanks for that typo.
– Sarfraz
May 14 '10 at 13:38
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How to add multiple columns to a table in Postgres?
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and to set the default value: ALTER TABLE table ADD COLUMN col1 int default 0, ADD COLUMN col2 text default 'foo';
– Brian D
Feb 11 at 15:36
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StringUtils.isBlank() vs String.isEmpty()
...ngUtils.isEmpty(" bob ") = false
Warning: In java.lang.String.isBlank() and java.lang.String.isEmpty() work the same except they don't return true for null.
java.lang.String.isBlank() (since Java 11)
java.lang.String.isEmpty()
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Quick and easy file dialog in Python?
I have a simple script which parses a file and loads it's contents to a database. I don't need a UI, but right now I'm prompting the user for the file to parse using raw_input which is most unfriendly, especially because the user can't copy/paste the path. I would like a quick and easy way to pre...
HashSet vs. List performance
...be better off using a List<T>.
I did a test for this on my machine, and, well, it has to be very very small to get an advantage from List<T>. For a list of short strings, the advantage went away after size 5, for objects after size 20.
1 item LIST strs time: 617ms
1 item HASHSET strs t...
Build Maven Project Without Running Unit Tests
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If you want to skip running and compiling tests:
mvn -Dmaven.test.skip=true install
If you want to compile but not run tests:
mvn install -DskipTests
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How to revert a folder to a particular commit by creating a patch
...set e095 -- somefolder
However git reset doesn't update the working copy and the --hard option doesn't work with folders. So then use git checkout to make the working copy the same as the index:
git checkout -- somefolder
and then if you also want to remove any files added you also need todo:
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How do you use “git --bare init” repository?
... you would in a normal non-bare repository (e.g. with git add <file> and a subsequent git commit.)
You almost always update a bare repository by pushing to it (using git push) from another repository.
Note that in this case you'll need to first allow people to push to your repository. When i...
Adding a build configuration in Xcode
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I ran into this same problem and figured it out. Here is a screenshot of the problem. I want to duplicate my "Release" configuration, but the option to do so is disabled. Why?
The answer is hiding behind this little button here (circled in red)...
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Re-ordering columns in pandas dataframe based on column name [duplicate]
...r Q9.1), you'll need to sort differently, but that has nothing to do with pandas.
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