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Android: Clear the back stack
....this.finish(); // if the activity running has it's own context
// view.getContext().finish() for fragments etc.
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Using IntelliJ to amend git commit message
...against the second problem is adding some not-important characters (spaces etc) to a file so you'll be able to commit
– leokom
Oct 18 '14 at 16:48
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Rails DB Migration - How To Drop a Table?
...op. Migration is broken after running this command. Can not CREATE, DROP...ETC. ERROR SQLite3::SQLException: no such table: accruals: DROP TABLE "sometable"
– zee
Aug 23 '17 at 14:13
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get list of pandas dataframe columns based on data type
...object
dtype: object
In [13]: msk = df.dtypes == np.float64 # or object, etc.
In [14]: msk
Out[14]:
0 False
1 True
2 False
dtype: bool
You can look at just those columns with the desired dtype:
In [15]: df.loc[:, msk]
Out[15]:
1
0 2.3456
Now you can use round (or whateve...
How to call a PHP function on the click of a button
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i did but just realized that //code.jquery.com/...etc doesn't load on localhost, https:// does! code works fine sorry my mistake.
– Benjamin
May 28 '15 at 5:55
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How to rename a single column in a data.frame?
..., in general (more than once column)
nms <- c("col1.name", "col2.name", etc...)
setnames(DF, nms)
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Android studio - Failed to find target android-18
...ets']
}
// Move the tests to tests/java, tests/res, etc...
instrumentTest.setRoot('tests')
// Move the build types to build-types/<type>
// For instance, build-types/debug/java, build-types/debug/AndroidManifest.xml, ..
// This...
Cannot install Lxml on Mac os x 10.9
...ell for a while. I don't know the internals enough about python distutils etc, but the include path here is wrong. I made the following ugly hack to hold me over until the python lxml people can do the proper fix.
sudo ln -s /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/De...
LINQ: Select an object and change some properties without creating a new object
...his allows you to know the position of the item in your list, enumeration, etc. without having to modify the existing class and then knowing whether you're at the first item in the list or the last.
foreach (Item item in this.Items
.Select((x, i) => {
x.ListIndex = i;
x.IsFirst = i =...
AWK: Access captured group from line pattern
...sed on glenn jackman's answer.
Definition
Add this to your .bash_profile etc.
function regex { gawk 'match($0,/'$1'/, ary) {print ary['${2:-'0'}']}'; }
Usage
Capture regex for each line in file
$ cat filename | regex '.*'
Capture 1st regex capture group for each line in file
$ cat filename...