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How do I create a list of random numbers without duplicates?
...ur specific code example, you probably want to read all the lines from the file once and then select random lines from the saved list in memory. For example:
all_lines = f1.readlines()
for i in range(50):
lines = random.sample(all_lines, 40)
This way, you only need to actually read from the f...
Get MIME type from filename extension
How can I get the MIME type from a file extension?
24 Answers
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Best way to make Django's login_required the default
...w function. You can also put the login_required() decorator in the urls.py file.
While this is still a manual task, at least you have it all in one place, which makes it easier to audit.
e.g.,
from my_views import home_view
urlpatterns = patterns('',
# "Home":
(r'^$', log...
C++ Dynamic Shared Library on Linux
...uld be no way of knowing the name of the create_object function in the .so file, because of name-mangling in the C++ compiler.
– kokx
Jan 3 '13 at 23:27
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How to create named and latest tag in Docker?
...t's an image containing Node.js 0.10.24). I built that image using a Dockerfile and executing docker build and by providing a tag using the -t parameter.
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Where should Rails 3 custom validators be stored?
...e automatically loaded without needing to alter your config/application.rb file.
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Replace one character with another in Bash
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On the other hand it works on a 2gb file without loading the entire thing into memory.
– aioobe
Oct 15 '17 at 5:23
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
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提供原始调用中指定的标签以及执行结果。
AfterExecuteFile(tag,execCount)
此事件在 ExecuteFileAsync 之后触发。
提供原始调用中指定的标签以及执行结果。
AfterInsert(tag,rowId)
此事件在异步 Insert 调用后触发。
会提供原始调用中指...
How to include a font .ttf using CSS?
...ecause I want to include a global font for my page and I downloaded a .ttf file. And I include it in my main CSS but my font wont change.
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URL to load resources from the classpath in Java
... I can specify a URL for the resource already, by just updating a property file."
– Thilo
Jan 5 '11 at 1:10
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