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How do I avoid capturing self in blocks when implementing an API?
... a reference without retaining the result, though they all behave a little bit differently: __weak will try to zero the reference when the object is released; __unsafe_unretained will leave you with an invalid pointer; __block will actually add another level of indirection and allow you to change th...
How can I manually generate a .pyc file from a .py file
...leall. It works nicely both from scripts and from the command line. It's a bit higher level module/tool than the already mentioned py_compile that it also uses internally.
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海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...。但是随着业务的增长 simhash的数据也会暴增，如果一天100w，10天就1000w了。我们如果插入一条数据就要去比较1000w次的simhash，计算量还是蛮大，普通PC 比较1000w次海明距离需要 300ms ，和5000w数据比较需要1.8 s。看起来相似度计算...
How do I run a batch file from my Java Application?
...art of a file to specify the program that executes it. Double-clicking in Windows is performed by Windows Explorer. CreateProcess does not know anything about that.
Runtime.
getRuntime().
exec("cmd /c start \"\" build.bat");
Note: With the start \"\" command, a separate command window wil...
VS 2012: Scroll Solution Explorer to current file
VS2010 had the feature that viewing a file would automatically cause Solution Explorer to scroll to that file.
8 Answers
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Getting Java version at runtime
...le version = 1.6 and Double.parseDouble("1.6") should still yield the same bit pattern, right? Since we don't do arithmetics on the number (only a simple compare), even == will work as expected.
– Aaron Digulla
Apr 7 '10 at 12:54
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What text editor is available in Heroku bash shell? [closed]
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JamesJames
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How to convert R Markdown to PDF?
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Updated Answer (10 Feb 2013)
rmarkdown package:
There is now an rmarkdown package available on github that interfaces with Pandoc.
It includes a render function. The documentation makes it pretty clear how to convert rmarkdown to pdf amon...
Node package ( Grunt ) installed but not available
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@Air thanks that was my problem. After following all the previous steps, it was unable to recognize grunt.
– kemicofa ghost
Sep 20 '15 at 21:38
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Placing/Overlapping(z-index) a view above another view in android
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RelativeLayout works the same way, the last image in the relative layout wins.
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