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IRXmitter红外发射器扩展 · App Inventor 2 中文网
...装
最新版扩展: de.ullisroboterseite.ursai2irxmitter.aix
示例应用: MetzIRControl.aia
开发动机
我的电视遥控器总是藏得很隐蔽，但是要找到我的智能手机就容易多了。如果需要，我可以呼叫它，它会发出声...
Set Django IntegerField by choices=… name
...rgs):
if not hasattr(choices[0],'__iter__'):
choices = zip(range(len(choices)), choices)
self.val2choice = dict(choices)
self.choice2val = dict((v,k) for k,v in choices)
kwargs['choices'] = choices
super(models.IntegerField, self).__init__(**kwar...
Check if two unordered lists are equal [duplicate]
...e number of matching elements (it considers the order).
sum([1 for i,j in zip(a,b) if i==j])
Therefore,
len(a)==len(b) and len(a)==sum([1 for i,j in zip(a,b) if i==j])
will be True if both lists are the same, contain the same elements and in the same order. False otherwise.
So, you can defin...
Getting number of elements in an iterator in Python
...ber of items.
"""
counter = itertools.count()
deque(itertools.izip(iterable, counter), maxlen=0) # (consume at C speed)
return next(counter)
(For Python 3.x replace itertools.izip with zip).
share
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Can I get Memcached running on a Windows (x64) 64bit environment?
...
http://s3.amazonaws.com/downloads.northscale.com/memcached-win32-1.4.4-14.zip
64-bit binary of memcached 1.4.4 as Windows-service:
http://blog.couchbase.com/memcached-windows-64-bit-pre-release-available
http://s3.amazonaws.com/downloads.northscale.com/memcached-win64-1.4.4-14.zip
The 64-bit ve...
android studio 0.4.2: Gradle project sync failed error
...
distributionUrl=http\://services.gradle.org/distributions/gradle-1.9-all.zip
After open your project in Android Studio and select the build.gradle file in the /src directory and edit it to this :
dependencies {
classpath 'com.android.tools.build:gradle:0.7.+'
}
After fixing it lik...
Azure SQL Database Bacpac Local Restore
...myself), when you export a .bacpac from Azure, it will be downloaded as a .zip file, not a .bacpac file, and the file dialog that is opened by the Browse button in the import wizard will only show either *.bacpac or . in the file filters, implying that .zip is not supported. However, if you change t...
How to create a video from images with FFmpeg?
...M4
These are the test media I've used:a
wget -O opengl-rotating-triangle.zip https://github.com/cirosantilli/media/blob/master/opengl-rotating-triangle.zip?raw=true
unzip opengl-rotating-triangle.zip
cd opengl-rotating-triangle
wget -O audio.ogg https://upload.wikimedia.org/wikipedia/commons/7/74/...
How to mkdir only if a directory does not already exist?
I am writing a shell script to run under the KornShell (ksh) on AIX. I would like to use the mkdir command to create a directory. But the directory may already exist, in which case I do not want to do anything. So I want to either test to see that the directory does not exist, or suppress the "Fil...
Easiest way to open a download window without navigating away from the page
...First thank you for this solution, but I found a bug if removeChild(a) the zip will unzip error with zip is broken, so remove this code solve it
– Roy
Sep 18 '17 at 3:16
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