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Cross-browser testing: All major browsers on ONE machine
... XP image for VirtualBox on Mac about 717MB
IE6 XP image for VirtualBox on Linux about 771MB
Preparing the image for use:
VirtualBox settings: Enable the network adapter, but do not connect the VM to a real network.
VirtualBox settings: Create a read-only shared folder.
This folder is going to be...
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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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 ...
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 do I trim whitespace from a string?
How do I remove leading and trailing whitespace from a string in Python?
12 Answers
12...
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...