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Relative imports in Python 3

... unfortunately, this module needs to be inside the package, and it also needs to be runnable as a script, sometimes. Any idea how I could achieve that? It's quite common to have a layout like this... main.py mypackage/ __init__.py mymodule.py myothermodule.py ...w...
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libpng warning: iCCP: known incorrect sRGB profile

...ou can do that with any of a variety of PNG editors such as ImageMagick's convert in.png out.png To remove the invalid iCCP chunk from all of the PNG files in a folder (directory), you can use mogrify from ImageMagick: mogrify *.png This requires that your ImageMagick was built with libpng16. ...
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SQL Server IN vs. EXISTS Performance

...an overall large result set). I believe the optimizer is smart enough to convert between "in" vs "exists" when there is a significant cost difference due to (1) and (2), otherwise it may just be used as a hint (e.g. exists to encourage use of an a seekable index on the right side). Both forms c...
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How do short URLs services work?

...shortening services simply take the ID in the database of the URL and then convert it to either Base 36 [a-z0-9] (case insensitive) or Base 62 (case sensitive). A simplified example of a TinyURL Database Table: ID URL VisitCount 1 www.google.com ...
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How can I specify a [DllImport] path at runtime?

...DllImport attribute is still the correct approach. I honestly don't understand why you can't do just like everyone else in the world and specify a relative path to your DLL. Yes, the path in which your application will be installed differs on different people's computers, but that's basically a univ...
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64 bit OS下int占几个字节? - C/C++ - 清泛网 - 专注C/C++及内核技术

64 bit OS下int占几个字节?int固定4字节,不要受64 bit的混淆。int是由编程语言设计决定的,不受编译器的影响。__int64才是8位的。另外,指针是受编译器 OS影响的,3...int固定4字节,不要受64 bit的混淆。int是由编程语言设计决定的...
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/usr/include/c++/4.9/bits/stl_iterator_base_types.h:165:53: error: ‘i...

/usr/include/c++/4.9/bits/stl_iterator_base_types.h:165:53: error: ‘int’ is not a class, struct, or union type先看下面的代码(来自:SO):#include <iostream>#include <cmath>#include <vector>using namespace std;double distance(int a, in...先看下面的代码(来自: SO): #include <i...
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?

How would it be possible to generate a random, unique string using numbers and letters for use in a verify link? Like when you create an account on a website, and it sends you an email with a link, and you have to click that link in order to verify your account ...
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What's the simplest way to print a Java array?

... Since Java 5 you can import java.util.Arrays; and then use Arrays.toString(arr) or Arrays.deepToString(arr) for arrays within arrays. Note that the Object[] version calls .toString() on each object in the array. The output is even decorated in the exact way you're asking...
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Python CSV error: line contains NULL byte

... Converting the encoding of the source file from UTF-16 to UTF-8 solve my problem. How to convert a file to utf-8 in Python? import codecs BLOCKSIZE = 1048576 # or some other, desired size in bytes with codecs.open(sourceFil...