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What is the worst gotcha in C# or .NET? [closed]
...efixes for your private fields (there are others, but this is a good one): _myVar, m_myVar
– jrista
Jun 26 '09 at 8:01
205
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Disable migrations when running unit tests in Django 1.7
...1.6. I defined a new settings module just for unit
tests called "settings_test.py", which imports * from the main
settings module and adds this line:
MIGRATION_MODULES = {"myapp": "myapp.migrations_not_used_in_tests"}
Then I run tests like this:
DJANGO_SETTINGS_MODULE="myapp.setti...
Discuz! X3 论坛标题字数突破80的限制 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...,修改语言包文件。
修改的文件一览如下(数据库修改 _forum_post, _forum_rsscache, _forum_thread 这三张表):
下面详细介绍如何修改:
一、数据库修改,修改数据库标题字段的长度为255字符:运行下面的sql语句:
(注意修改...
【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...ocket在socket()创建的时候,会设置对应协议的操作集。 inet_dgram_ops是系统调用层直接调用的操作。udp_prot是底层协议的处理。可以看到相比TCP,UDP不用accept(),lis 创建udp socket
在socket()创建的时候,会设置对应协议的操作集。 inet_d...
Differences and relationship between glActiveTexture and glBindTexture
...ture unit". Each texture unit can have multiple texture targets (usually GL_TEXTURE_1D, 2D, 3D or CUBE_MAP).
4 Answers
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How do I clear only a few specific objects from the workspace?
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You'll find the answer by typing ?rm
rm(data_1, data_2, data_3)
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How to use permission_required decorators on django class-based views
...m, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how to do this on the new views. Is there some section in the django docs explaining this? I didn't found anything. What is wrong in my code?
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Downloading Java JDK on Linux via wget is shown license page instead
...e.com/otn-pub/java/jdk/14.0.1+7/664493ef4a6946b186ff29eb326336a2/jdk-14.0.1_linux-x64_bin.rpm -O ~/Downloads/jdk-14.0.1_linux-x64_bin.rpm
PS: Alf added this ( me ) :-) this, I couldn't figured out how to just commented at the end... Enjoy it.
UPDATED FOR Oracle JDK 11
wget --no-check-certificate -c...
How can I do a line break (line continuation) in Python?
...s are acceptable:
with open('/path/to/some/file/you/want/to/read') as file_1, \
open('/path/to/some/file/being/written', 'w') as file_2:
file_2.write(file_1.read())
Another such case is with assert statements.
Make sure to indent the continued line appropriately. The preferre...
Dynamically updating plot in matplotlib
...t matplotlib.pyplot as plt
import numpy
hl, = plt.plot([], [])
def update_line(hl, new_data):
hl.set_xdata(numpy.append(hl.get_xdata(), new_data))
hl.set_ydata(numpy.append(hl.get_ydata(), new_data))
plt.draw()
Then when you receive data from the serial port just call update_line.
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