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How can I get nth element from a list?
How can I access a list by index in Haskell, analog to this C code?
6 Answers
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Regular expression for floating point numbers
...ping can get very confusing. If the language you are working with supports raw strings, then you should use those to cut down on the number of backslashes, but not all languages do (most notably: Java). Fortunately, there's an alternative that will work some of the time:
String correctPattern = "[....
Execute command on all files in a directory
Could somebody please provide the code to do the following:
Assume there is a directory of files, all of which need to be run through a program. The program outputs the results to standard out. I need a script that will go into a directory, execute the command on each file, and concat the output int...
【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...
...//mc.dfrobot.com.cn/thread-316532-1-1.html
文章aia源码如下：
[hide][/hide]
资源地址：https://drive.google.com/drive/f ... 0BGKOaa?usp=sharing（如打不开可以直接在附件中下载）
数据在行动1：使用柱状图和饼图收集数据跟踪我的情绪这个渐进...
How to set default value for form field in Symfony2?
Is there an easy way to set a default value for text form field?
22 Answers
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How fast is D compared to C++?
... -boundscheck=off <sourcefile>
Results
The results (screenshot of raw console output) of each version of the source as follows:
scalar.cpp (original C++):
allocation: 2 ms
random generation: 12 ms
result: 29248300000
time: 2582 ms
C++ sets the standard at 2582 ms.
scalar.d (modifi...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
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CCM: A nonce-based AEAD scheme that combines CTR mode encryption and the raw
CBC-MAC. Inherently serial, limiting speed in some contexts. Provably secure, with good bounds, assuming the underlying blockcipher is a good PRP. Ungainly construction that demonstrably does the job. Simpler to implement...
An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode
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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
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How to do a JUnit assert on a message in a logger
I have some code-under-test that calls on a Java logger to report its status.
In the JUnit test code, I would like to verify that the correct log entry was made in this logger. Something along the following lines:
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