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How to get POSTed JSON in Flask?
...ote that if an exception is raised at this point (possibly resulting in a 400 Bad Request response), your JSON data is invalid. It is in some way malformed; you may want to check it with a JSON validator.
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Get index of selected option with jQuery
...ectedIndex property of the DOM element:
alert($("#dropDownMenuKategorie")[0].selectedIndex);
Update:
Since version 1.6 jQuery has the prop method that can be used to read properties:
alert($("#dropDownMenuKategorie").prop('selectedIndex'));
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How can I extract audio from video with ffmpeg?
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llogan
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answered Dec 11 '14 at 1:18
Paul IrishPaul Ir...
How to quickly and conveniently disable all console.log statements in my code?
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answered Jul 31 '09 at 23:54
SolutionYogiSolutionYogi
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Delete specific line number(s) from a text file using sed?
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If you want to delete lines 5 through 10 and 12:
sed -e '5,10d;12d' file
This will print the results to the screen. If you want to save the results to the same file:
sed -i.bak -e '5,10d;12d' file
This will back the file up to file.bak, and delete the given ...
One or more types required to compile a dynamic expression cannot be found. Are you missing referenc
I am trying to compile this code in Microsoft Visual C# 2010
8 Answers
8
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How to generate all permutations of a list?
...:
for i in range(len(elements)):
# nb elements[0:1] works in both string and list contexts
yield perm[:i] + elements[0:1] + perm[i:]
A couple of alternative approaches are listed in the documentation of itertools.permutations. Here's one:
def permutatio...
How do I query if a database schema exists
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Oct 22 '08 at 14:44
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iPhone Navigation Bar Title text color
...background color (label.backgroundColor = [UIColor clearColor]).
Use bold 20pt system font (label.font = [UIFont boldSystemFontOfSize: 20.0f]).
Have a shadow of black with 50% alpha (label.shadowColor = [UIColor colorWithWhite:0.0 alpha:0.5]).
You'll want to set the text alignment to centered as wel...
MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升
...p命令结果：
shell> top -p $(pidof mongod)
Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers
Swap: 2097144k total, 100k used, 2097044k free, 26482048k cached
VIRT RES SHR %MEM
1892g 21g 21g 69.6
这台MongoDB服务器有没有性能问题？大家可...