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Split (explode) pandas dataframe string entry to separate rows
I have a pandas dataframe in which one column of text strings contains comma-separated values. I want to split each CSV field and create a new row per entry (assume that CSV are clean and need only be split on ','). For example, a should become b :
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Eclipse cannot load SWT libraries
...2 bit. I edit the command to:
ln -s /usr/lib/jni/libswt-* ~/.swt/lib/linux/x86/
And on Ubuntu 12.04 64 bit try:
ln -s /usr/lib/jni/libswt-* ~/.swt/lib/linux/x86_64/
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MSBuild doesn't copy references (DLL files) if using project dependencies in solution
...e found when I've encountered this problem in MsBuild and Visual Studio.
Explanation
For a sample scenario let's say we have project X, assembly A, and assembly B. Assembly A references assembly B, so project X includes a reference to both A and B. Also, project X includes code that references a...
What is normalized UTF-8 all about?
...same result as comparing them under NFD.
NFD
NFD has the characters fully expanded out. This is the faster normalization form to calculate, but the results in more code points (i.e. uses more space).
If you just want to compare two strings that are not already normalized, this is the preferred norma...
ng-app vs. data-ng-app, what is the difference?
... difference is simple - there is absolutely no difference between the two except that certain HTML5 validators will throw an error on a property like ng-app, but they don't throw an error for anything prefixed with data-, like data-ng-app.
So to answer your question, use data-ng-app if you would li...
How do I remove all non-ASCII characters with regex and Notepad++?
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This expression will search for non-ASCII values:
[^\x00-\x7F]+
Tick off 'Search Mode = Regular expression', and click Find Next.
Source: Regex any ASCII character
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How to apply multiple styles in WPF
...ay the first one. The styles have different TargetTypes, so I can't just extend one with the other.
11 Answers
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Assign pandas dataframe column dtypes
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Since 0.17, you have to use the explicit conversions:
pd.to_datetime, pd.to_timedelta and pd.to_numeric
(As mentioned below, no more "magic", convert_objects has been deprecated in 0.17)
df = pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...e is a function I was working on to programmatically lighten or darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
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What is the use of the JavaScript 'bind' method?
...this inside the function to be the parameter passed to bind().
Here's an example that shows how to use bind to pass a member method around that has the correct this:
var myButton = {
content: 'OK',
click() {
console.log(this.content + ' clicked');
}
};
myButton.click();
var looseClick ...