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Combine two columns of text in pandas dataframe
I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 .
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Mongoose.js: Find user by username LIKE value
...tion. Just ensure you are either try-catching or regexing your input prior and checking for [^a-zA-Z0-9] then not proceeding. In this case, its just test input so makes sense.
– Jason Sebring
Jan 13 '14 at 0:43
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index.php not loading by default
I have just installed CentOS, Apache and PHP. When I visit my site http://example.com/myapp/ , it says "forbidden". By default it's not loading the index.php file.
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How can I run a program from a batch file without leaving the console open after the program starts?
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I tried this command in Win8. I'm not sure if it's different, but note that you must provide it with a Window title as your first parameter. When I would run it the way Patrick described, it would just open a new command prompt with "myProg...
How do I get indices of N maximum values in a NumPy array?
...ten equivalently as arr.argsort()[-1:-4:-1]? I've tried it in interpreter and it comes up with the same result, but I'm wondering if it's not broken by some example.
– abroekhof
Sep 20 '12 at 9:05
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Converting a Java collection into a Scala collection
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JavaConversions (robinst's answer) and JavaConverters (Ben James's answer) have been deprecated with Scala 2.10.
Instead of JavaConversions use:
import scala.collection.convert.wrapAll._
as suggested by aleksandr_hramcov.
Instead of JavaConverters use:
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Insert string at specified position
...e) there should be a short explanation in your post maybe. I'll do it now and copy'n'paste from php.net: "Of course, if length is zero then this function will have the effect of inserting replacement into string at the given start offset."
– Wolfsblvt
Jan 23 '...
How to loop through a directory recursively to delete files with certain extensions
I need to loop through a directory recursively and remove all files with extension .pdf and .doc . I'm managing to loop through a directory recursively but not managing to filter the files with the above mentioned file extensions.
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Alarm Manager Example
... until the phone turns off.
Add to Manifest.xml:
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<uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>
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<receiver android:process=":remote" android:name=".Alarm"></receiver>
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Code in your class:
package yourPackage;
import android.app....
Java: Get last element after split
I am using the String split method and I want to have the last element.
The size of the Array can change.
12 Answers
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