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How do I expand the output display to see more columns of a pandas DataFrame?
...ring() or info() is used to render an object to a string. In case
python/IPython is running in a terminal this can be set to 0 and pandas
will correctly auto-detect the width the terminal and swap to a smaller
format in case all columns would not fit vertically. The IPython ...
How to use java.String.format in Scala?
...format("Ivan", "Scala")
I also have a blog post about making format like Python's % operator that might be useful.
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Check if a value exists in pandas dataframe index
...or ndarray out makes exist or "in" checks run more smoothly with the other python tools. Just thought I'd toss that out there for people.
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How to move out of auto-completed brackets in IntelliJ IDEA (without using the arrow keys)?
...l indication of tab 'exit' position. For now, it should work in Java, SQL, Python and some other files. It will take some time for other languages to catch up - some language-specific code changes are required.
The feature is disabled by default, you can enable it in
Settings -> Editor -&g...
What is a memory fence?
...AFAIK it only makes sure the compiler cannot cache the variable value. The Linux kernel uses a gcc extension (asm __volatile__("": : :"memory")) to create a full compiler optimization barrier.
– CesarB
Nov 13 '08 at 10:36
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Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...ly painlessly if your compiler supports it (e.g. recent versions of GCC on linux have a mostly-complete implementation of the C++11 thread library available in -std=c++0x mode).
If your compiler doesn't support C++11 threads then you may be able to get a third-party implementation such as Just::Thr...
Remote debugging with Android emulator
... I've done this too with a setup like: Windows 7 (running emulator) -> Linux (required hop, due to network...) -> OS X running Eclipse. I am able to see the devices with 'adb devices' and use the emulator from Eclipse. The problem is that it does not recognize the Android target of the emula...
How to concatenate two MP4 files using FFmpeg?
...os it saves you from typing in lengthy lists of files for -i parameter. On Linux I did this: ls -1 P1041*.mp4 | sed s/"P"/" file P"/g > mylist.txt which is even cooler than coding a batch script. Anyway, -c copy performs very quickly (which I was not aware of) and this is the real magic of this a...
Difference between java.util.Random and java.security.SecureRandom
... these data store them in files - /dev/random and /dev/urandom in case of linux/solaris) and uses that as the seed. So if the small token size is okay(in case of Random), you can continue using your code without any changes, since you are using SecureRandom to generate the seed. But if you want lar...
How do I trim whitespace from a string?
How do I remove leading and trailing whitespace from a string in Python?
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