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datetime dtypes in pandas read_csv
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Aside from the fact that this doesn't have the desired effect, it also doesn't work: AttributeError: type object 'datetime.datetime' has no attribute 'datetime'
– Gabriel
Dec 1 '16 at 9:29...
What is the effect of encoding an image in base64?
... a really helpful overview of when to base64 encode and when not to by David Calhoun.
Basic answer = gzipped base64 encoded files will be roughly comparable in file size to standard binary (jpg/png). Gzip'd binary files will have a smaller file size.
Takeaway = There's some advantage to encoding...
How to: Define theme (style) item for custom widget
I've written a custom widget for a control that we use widely throughout our application. The widget class derives from ImageButton and extends it in a couple of simple ways. I've defined a style which I can apply to the widget as it's used, but I'd prefer to set this up through a theme. In R.s...
How can I copy the content of a branch to a new local branch?
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git branch copyOfMyBranch MyBranch
This avoids the potentially time-consuming and unnecessary act of checking out a branch. Recall that a checkout modifies the "working tree", which could take a long time if it is large or contains large files (images or videos, for e...
How to use NSCache
...ng");
// Try to get the existing object out of the cache, if it's there.
Widget *myWidget = [myCache objectForKey: @"Important Widget"];
if (!myWidget) {
// It's not in the cache yet, or has been removed. We have to
// create it. Presumably, creation is an expensive operation,
// which ...
JavaScript regex multiline flag doesn't work
...is highly recommended to use the *? quantifier instead of * in order to avoid greediness. This will avoid catching the last <h1> of the document: that's probably not what you want and that's not efficient as the regexp will continue to look for <h1> until the end of the string even if it...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
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@mgojohn How do you do that?
– pyramidface
Jul 28 '15 at 23:42
1
@pyramidface ...
Overloaded method selection based on the parameter's real type
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I expect the method selection to take
in consideration the real (not the
declared) parameter type. Am I missing
something?
Yes. Your expectation is wrong. In Java, dynamic method dispatch happens only for the object the method is called on, not for the parameter t...
Get position/offset of element relative to a parent container?
...th jQuery. In my current project however I use zepto.js. Zepto doesn't provide a position() method like jQuery does. Zepto only comes with offset() .
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git selective revert local changes from a file
...ened when using a gui tool like source tree if I discarded a hunk twice accidentally. The second time would produce that error.
– phyatt
Jul 5 '16 at 20:41
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