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How to get folder path from file path with CMD
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I had same problem in my loop where i wanted to extract zip files in the same directory and then delete the zip file. The problem was that 7z requires the output folder, so i had to obtain the folder path of each file. Here is my solution:
FOR /F "usebackq tokens=1" %%i IN (`DIR...
How to sort an array of hashes in ruby
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Simples:
array_of_hashes.sort_by { |hsh| hsh[:zip] }
Note:
When using sort_by you need to assign the result to a new variable: array_of_hashes = array_of_hashes.sort_by{} otherwise you can use the "bang" method to modify in place: array_of_hashes.sort_by!{}
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App Inventor 2 天气预报App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网
...的解析
请求成功返回JSON示例
JSON解析参考代码
aia源码
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App效果图，展示未来7日的天气预报，包括日期、天气图示和温度：
App原理介绍
通过调用第三方天气api，填入必要的参数，通过Web客户...
Pairs from single list
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My favorite way to do it:
from itertools import izip
def pairwise(t):
it = iter(t)
return izip(it,it)
# for "pairs" of any length
def chunkwise(t, size=2):
it = iter(t)
return izip(*[it]*size)
When you want to pair all elements you obviously might need a...
How do you install Google frameworks (Play, Accounts, etc.) on a Genymotion virtual device? [duplica
...1.1: I've gotten more up-to-date builds of libhoudini and have updated the ZIP file. This fixes a lot of app crashes and hangs. Just flash the new one, and it should work.
This guide is for getting back both ARM translation/support (this is what causes the "INSTALL_FAILED_CPU_ABI_INCOMPATIBLE" erro...
Do a “git export” (like “svn export”)?
...ed archive in any case so I do something like this.
git archive master | bzip2 >source-tree.tar.bz2
ZIP archive:
git archive --format zip --output /full/path/to/zipfile.zip master
git help archive for more details, it's quite flexible.
Be aware that even though the archive will not cont...
How do I edit the Visual Studio templates for new C# class/interface?
...x86)\Microsoft Visual Studio 8\Common7\IDE\ItemTemplates\CSharp\1033\Class.zip
2008:
C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class.zip
2010:
C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\ItemTemplates\CSharp\Code\103...
Element-wise addition of 2 lists?
...ator import add
>>> list( map(add, list1, list2) )
[5, 7, 9]
or zip with a list comprehension:
>>> [sum(x) for x in zip(list1, list2)]
[5, 7, 9]
Timing comparisons:
>>> list2 = [4, 5, 6]*10**5
>>> list1 = [1, 2, 3]*10**5
>>> %timeit from operator im...
Matrix Transpose in Python
...t;> theArray = [['a','b','c'],['d','e','f'],['g','h','i']]
>>> zip(*theArray)
[('a', 'd', 'g'), ('b', 'e', 'h'), ('c', 'f', 'i')]
Python 3:
>>> [*zip(*theArray)]
[('a', 'd', 'g'), ('b', 'e', 'h'), ('c', 'f', 'i')]
...
Join strings with a delimiter only if strings are not null or empty
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Consider
var address = "foo";
var city;
var state = "bar";
var zip;
text = [address, city, state, zip].filter(Boolean).join(", ");
console.log(text)
.filter(Boolean) (which is the same as .filter(x => x)) removes all "falsy" values (nulls, undefineds, empty strings etc). If...