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Django set default form values
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You can use initial which is explained here
You have two options either populate the value when calling form constructor:
form = JournalForm(initial={'tank': 123})
or set the value in the form definition:
tank = forms.IntegerField(wid...
“Too many values to unpack” Exception
... that you are trying to unpack a tuple, but the tuple has too many values with respect to the number of target variables. For example: this work, and prints 1, then 2, then 3
def returnATupleWithThreeValues():
return (1,2,3)
a,b,c = returnATupleWithThreeValues()
print a
print b
print c
But th...
Chrome, Javascript, window.open in new tab
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You can't directly control this, because it's an option controlled by Internet Explorer users.
Opening pages using Window.open with a different window name will open in a new browser window like a popup, OR open in a new tab, if the user configured the browser to d...
how to check if a file is a directory or regular file in python? [duplicate]
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os.path.isfile("bob.txt") # Does bob.txt exist? Is it a file, or a directory?
os.path.isdir("bob")
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What is the difference between char s[] and char *s?
In C, one can use a string literal in a declaration like this:
13 Answers
13
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Linux - Replacing spaces in the file names
...n a folder, and I want to replace every space character in all file names with underscores. How can I achieve this?
11 Answ...
Web-scraping JavaScript page with Python
I'm trying to develop a simple web scraper. I want to extract text without the HTML code. In fact, I achieve this goal, but I have seen that in some pages where JavaScript is loaded I didn't obtain good results.
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Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...发现 ls 卡住了。
通过下面的命令可以看到 ls 卡在了 vfs_fstatat 调用上，它会给 FUSE 设备发送 getattr 请求，在等待回应。而 JuiceFS 客户端进程已经被我们停掉了，所以它就卡住了：
$ cat /proc/`pgrep ls`/stack
[<ffffffff813277c7>] request_w...
Regular expression to find URLs within a string
Does anyone know of a regular expression I could use to find URLs within a string? I've found a lot of regular expressions on Google for determining if an entire string is a URL but I need to be able to search an entire string for URLs. For example, I would like to be able to find www.google.com ...
What is the command to list the available avdnames
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edited May 8 '18 at 9:02
Günter Zöchbauer
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