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Adding new column to existing DataFrame in Python pandas
...u did it wrong (it can trigger false positives) but from 0.13.0 it let you know there are more adequate methods for the same purpose. Then, if you get the warning, just follow its advise: Try using .loc[row_index,col_indexer] = value instead
>>> df1.loc[:,'f'] = pd.Series(np.random.randn(s...
How should I use git diff for long lines?
...on't mind about paging (for example, your terminal allows you to scroll back) you might try explicitly setting GIT_PAGER to empty to stop it using a pager. Under Linux:
$ GIT_PAGER='' git diff
Without a pager, the lines will wrap.
If your terminal doesn't support coloured output, you can also tu...
What's the best visual merge tool for Git? [closed]
What's the best tool for viewing and editing a merge in Git? I'd like to get a 3-way merge view, with "mine", "theirs" and "ancestor" in separate panels, and a fourth "output" panel.
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How do you check if a JavaScript Object is a DOM Object?
...be of interest:
function isElement(obj) {
try {
//Using W3 DOM2 (works for FF, Opera and Chrome)
return obj instanceof HTMLElement;
}
catch(e){
//Browsers not supporting W3 DOM2 don't have HTMLElement and
//an exception is thrown and we end up here. Testing some
//properti...
Using LINQ to remove elements from a List
...swered May 12 '09 at 16:01
Jon SkeetJon Skeet
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Validation failed for one or more entities while saving changes to SQL Server Database using Entity
I want to save my Edit to Database and I am using Entity FrameWork Code-First in ASP.NET MVC 3 / C# but I am getting errors. In my Event class, I have DateTime and TimeSpan datatypes but in my database, I've got Date and time respectively. Could this be the reason? How can I cast to the appropriate ...
Unzip files programmatically in .net
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We have used SharpZipLib successfully on many projects. I know it's a third party tool, but source code is included and could provide some insight if you chose to reinvent the wheel here.
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Sort a list of tuples by 2nd item (integer value) [duplicate]
I have a list of tuples that looks something like this:
9 Answers
9
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Drawing an SVG file on a HTML5 canvas
...ve a .svg source in some but not all browsers. Chrome, IE11, and Safari work, Firefox works with some bugs (but nightly has fixed them).
var img = new Image();
img.onload = function() {
ctx.drawImage(img, 0, 0);
}
img.src = "http://upload.wikimedia.org/wikipedia/commons/d/d2/Svg_example_square.s...
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
If I have some integer n, and I want to know the position of the most significant bit (that is, if the least significant bit is on the right, I want to know the position of the furthest left bit that is a 1), what is the quickest/most efficient method of finding out?
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