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What are five things you hate about your favorite language? [closed]
...+" is a good operator for concatenation in a strongly typed language (like Python). In a weakly typed language (like Javascript or C) it is terrible; it decides (silently!) that 'sum: '+2+3 is not 'sum: 5' but 'sum: 23'. Someone with more Javascript experience can give better examples.
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VC窗口刷新InvalidateRect和UpdateWindow - C/C++ - 清泛网 - 专注C/C++及内核技术
...需要能够主动引发窗口中的绘制操作，比如当窗口显示的数据改变的时候，这一般是通过InvalidateRect和 InvalidateRgn函数来完成的。InvalidateRect和InvalidateRgn把指定的区域加到窗口的Update Region中，当应用的消息队列没有其他消息时，...
Clear text from textarea with selenium
...rom selenium.webdriver.common.keys import Keys
#...your code (I was using python 3)
driver.find_element_by_id('foo').send_keys(Keys.CONTROL + "a");
driver.find_element_by_id('foo').send_keys(Keys.DELETE);
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How can I check whether a numpy array is empty or not?
... This is great for numpy, but is unfortunate that it is considered unpythonic for lists. Check out discussion for lists: stackoverflow.com/questions/53513/… It would be nice to use same pattern for numpy arrays and lists.
– eric
Jul 28 '19 at 16:41
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How do you run your own code alongside Tkinter's event loop?
...cl from different appartment" message on my computer (RedHat Enterprise 5, python 2.6.1). Bjorn might not have gotten this message, since, according to one place I checked, mishandling threading with Tkinter is unpredictable and platform-dependent.
The problem seems to be that app.start() counts a...
Class method decorator with self arguments?
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A more concise example might be as follows:
#/usr/bin/env python3
from functools import wraps
def wrapper(method):
@wraps(method)
def _impl(self, *method_args, **method_kwargs):
method_output = method(self, *method_args, **method_kwargs)
return method_output...
NoSql Crash Course/Tutorial [closed]
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y_serial is written as a single Python module which reads like a working tutorial and includes many tips and references: http://yserial.sourceforge.net/
This takes the perspective of how to persist an arbitrary Python object (e.g. a dictionary data struct...
How to serialize SqlAlchemy result to JSON?
...o serialize your object.
As explained in Convert sqlalchemy row object to python dict
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2015互联网结束补贴战 从相杀到相爱只需一个长假 - 资讯 - 清泛网 - 专注C/...
...到的一个段子，“2015年化缘的改叫众筹了，统计改叫大数据分析了，做耳机的改为可穿戴设备了，IDC的都自称云计算了，办公室出租改叫孵化器了，借钱给朋友改叫天使投资了，放高利贷都改叫资本运作了。”虽然段子有些调...
Multiplication on command line terminal
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If you like python and have an option to install a package, you can use this utility that I made.
# install pythonp
python -m pip install pythonp
pythonp "5*5"
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pythonp "1 / (1+math.exp(0.5))"
0.3775406687981454
# define a custom f...