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Bundle ID Suffix? What is it?
I'm new to the iPhone submission process. Apple asks for the Bundle ID Suffix. What is this? Not sure what to put here and what the significance of it is.
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What is the official “preferred” way to install pip and virtualenv systemwide?
...lease notes):
Beginning with v1.5.1, pip does not require setuptools prior to running get-pip.py. Additionally, if setuptools (or distribute) is not already installed, get-pip.py will install setuptools for you.
I now run the regular:
curl --silent --show-error --retry 5 https://bootstrap.pyp...
How to generate a Dockerfile from an image?
...ockerfile-from-image"
$ dfimage --help
Usage: dockerfile-from-image.rb [options] <image_id>
-f, --full-tree Generate Dockerfile for all parent layers
-h, --help Show this message
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How to serialize a lambda?
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Java 8 introduces the possibility to cast an object to an intersection of types by adding multiple bounds. In the case of serialization, it is therefore possible to write:
Runnable r = (Runnable & Serializable)() -> System.out.println("Serializable!");
And the lambda automagically ...
Why is XOR the default way to combine hashes?
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In spite of its handy bit-mixing properties, XOR is not a good way to combine hashes due to its commutativity. Consider what would happen if you stored the permutations of {1, 2, …, 10} in a hash table of 10-tuples.
A much better choice is m * H(A)...
How to add a touch event to a UIView?
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In iOS 3.2 and higher, you can use gesture recognizers. For example, this is how you would handle a tap event:
//The setup code (in viewDidLoad in your view controller)
UITapGestureRecognizer *singleFingerTap =
[[UITapGestur...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
...nts, whether you want it or not, because they're necessary for deserialization
– Thomas Levesque
Aug 25 '09 at 8:27
3
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不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用协议。
Zebra 最为实用的一点是它的配置形式同 Cisco IOS 极其类似。尽管它的配置与 IOS 相比还是有一些不同，但是这对于那些已经熟悉 IOS 的网络工程师来说在这种环境下工作将相当自如。
安装安装
1、下载下载
ftp://ft...
FFmpeg on Android
... compiled (libffmpeg.so) on Android. Now I have to build either an application like RockPlayer or use existing Android multimedia framework to invoke FFmpeg.
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Does Python support multithreading? Can it speed up execution time?
...s threaded Python code is locked to one thread executing at a time. If you mix in C extensions and I/O, however (such as PIL or numpy operations) and any C code can run in parallel with one active Python thread.
Python threading is great for creating a responsive GUI, or for handling multiple short...