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Progress indicator during pandas operations
I regularly perform pandas operations on data frames in excess of 15 million or so rows and I'd love to have access to a progress indicator for particular operations.
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How do I list all remote branches in Git 1.7+?
...the list of those that I haven't? (It doesn't matter to me whether the command lists all remote branches or only those that are untracked.)
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string c_str() vs. data()
I have read several places that the difference between c_str() and data() (in STL and other implementations) is that c_str() is always null terminated while data() is not.
As far as I have seen in actual implementations, they either do the same or data() calls c_str() .
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Is there a Python function to determine which quarter of the year a date is in?
...ed to count from 1 instead;-).
Originally two answers, multiply upvoted and even originally accepted (both currently deleted), were buggy -- not doing the -1 before the division, and dividing by 4 instead of 3. Since .month goes 1 to 12, it's easy to check for yourself what formula is right:
fo...
Cross Domain Form POSTing
I've seen articles and posts all over (including SO) on this topic, and the prevailing commentary is that same-origin policy prevents a form POST across domains. The only place I've seen someone suggest that same-origin policy does not apply to form posts, is here .
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What is the !! (not not) operator in JavaScript?
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This is used to convert truthy values to boolean true, and falsy values too boolean false.
– thetoolman
Jul 16 '12 at 3:53
13
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How to improve performance of ngRepeat over a huge dataset (angular.js)?
I have a huge dataset of several thousand rows with around 10 fields each, about 2MBs of data. I need to display it in the browser. Most straightforward approach (fetch data, put it into $scope , let ng-repeat="" do its job) works fine, but it freezes the browser for about half of a minute when i...
How do I use Django templates without the rest of Django?
...Django-based web site. How do I use it without having a settings.py file (and others) and having to set the DJANGO_SETTINGS_MODULE environment variable?
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fastest (low latency) method for Inter Process Communication between Java and C/C++
... passing a single byte with code like this:
MappedByteBuffer mem =
new RandomAccessFile("/tmp/mapped.txt", "rw").getChannel()
.map(FileChannel.MapMode.READ_WRITE, 0, 1);
while(true){
while(mem.get(0)!=5) Thread.sleep(0); // waiting for client request
mem.put(0, (byte)10); // sending the re...
How do I write unit tests in PHP? [closed]
...osed to test something. Could someone perhaps post a piece of example code and how they would test it? If it's not too much trouble :)
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