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How to change the default charset of a MySQL table?
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203
If you want to change the table default character set and all character columns to a new chara...
MongoDB/NoSQL: Keeping Document Change History
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110
+100
Good que...
Writing your own STL Container
...his);}
void mfunction() {assert(self==this);}
};
int tester::livecount=0;
struct verify {
~verify() {assert(tester::livecount==0);}
}verifier;
Make containers of tester objects, and call each one's function() as you test your container. Do not make any global tester objects. If your cont...
c/c++浮点输出时，不显示小数点后没用的0 - C/C++ - 清泛网 - 专注C/C++及内核技术
c/c++浮点输出时，不显示小数点后没用的0用%g格式符就可以了。%g用来输出实数，它根据数值的大小，自动选f格式或e格式（选择输出时占宽度较小的一种），且不输出无意义的0。即%g是 用%g格式符就可以了。%g用来输出实数，...
How to Sort Multi-dimensional Array by Value?
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1801
Try a usort, If you are still on PHP 5.2 or earlier, you'll have to define a sorting function f...
Making a triangle shape using xml definitions?
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Unignore subdirectories of ignored directories in Git
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edited Feb 17 '18 at 14:02
Buo-ren Lin
12077 bronze badges
answered Mar 12 '11 at 21:15
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Check whether an array is empty [duplicate]
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420
There are two elements in array and this definitely doesn't mean that array is empty. As a quick...
Download file from web in Python 3
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+50
If you want to obtain the contents of a web page into a variable, just read the response of urllib.request.urlopen:
import urllib.requ...
What are some compelling use cases for dependent method types?
...tside ResourceManager
def testHash(r : Resource) = assert(r.hash == "9e47088d")
def testDuplicates(r : Resource) = assert(r.duplicates(r))
}
trait FileManager extends ResourceManager {
type Resource <: File
trait File extends BasicResource {
def local : Boolean
}
override def c...