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Check if OneToOneField is None in Django
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FFmpeg: How to split video efficiently?
...answers that question, so I did as @AlcubierreDrive suggested…
echo "Two commands"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv
echo "One co...
Adding a directory to $LOAD_PATH (Ruby)
I have seen two commonly used techniques for adding the directory of the file currently being executed to the $LOAD_PATH (or $:). I see the advantages of doing this in case you're not working with a gem. One seems more verbose than the other, obviously, but is there a reason to go with one over the ...
How to do a JUnit assert on a message in a logger
...voluted as you need to create a plugin, have a look at this: stackoverflow.com/questions/24205093/…
– paranza
Nov 9 '16 at 17:12
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
... does not support create if not exists syntax. What is the best way to accomplish this?
8 Answers
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What is the fastest way to send 100,000 HTTP requests in Python?
...ry, but cannot figure out how to write this program correctly. Has anyone come across a similar problem? I guess generally I need to know how to perform thousands of tasks in Python as fast as possible - I suppose that means 'concurrently'.
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...FS虚拟文件系统分配文件描述符后返回。
SO_REUSEPORT和SO_INCOMING_CPU
REUSEPORT: 每个listener只有一个accept队列， reuseport通过多个不同的socket文件描述符 listen在同一个地址端口，增加可以竞争的锁的数量，提升并发度，避免accept锁...
When and why should I use fragments in Android applications? [duplicate]
...rent activities (e.g., 1 for tablets and 1 for handsets), and to share the common behaviors and events in a third class.
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Which is the preferred way to concatenate a string in Python?
...ast, which one you choose is a matter of taste, the latter one is the most common. Here are timings with the timeit module:
a = a + b:
0.11338996887207031
a += b:
0.11040496826171875
However, those who recommend having lists and appending to them and then joining those lists, do so because append...
Invalid postback or callback argument. Event validation is enabled using '
...able eventvalidation (bad idea, because you lose a little of security that come with very little cost).
Use ASP.NET Ajax UpdatePanel. (Put the listbox in the Updatepanel and trigger a update, if you add or remove listbox. This way viewstate and related fields get updates and eventvalidation will pas...