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菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...然还有第二种在对话框显示菜单的方法：调用SetMenu函数把菜单跟对话框关联起来，函数第一个参数是窗口句柄，第二个参数是菜单句柄。在OnInitDialog函数里添加如下语句：
CMenu menu;//定义一个菜单类变量
menu.LoadMenu(IDR_MENU1);//...
Iterate an iterator by chunks (of n) in Python? [duplicate]
...EFG', 'x') --> ABC DEF Gxx"
args = [iter(iterable)] * n
return izip_longest(fillvalue=fillvalue, *args)
It will fill up the last chunk with a fill value, though.
A less general solution that only works on sequences but does handle the last chunk as desired is
[my_list[i:i + chunk_size...
Is there a way to measure how sorted a list is?
...are distance from the sorted state is imaginable:
#! ruby
d = -> a { a.zip( a.sort ).map { |u, v| ( u - v ) ** 2 }.reduce( :+ ) ** 0.5 }
a = 8, 7, 3, 4, 10, 9, 6, 2, 5, 1
d.( a ) #=> 15.556
d.( a.sort ) #=> 0.0
d.( a.sort.reverse ) # => 18.166 is the worrst case
...
What version of javac built my jar?
...
JAR=something.jar ; unzip -p $JAR `unzip -l $JAR | grep '\.class$' | head -1` | file -
– Randall Whitman
May 18 '15 at 22:24
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How to include package data with setuptools/distribute?
...the behaviour of files in package_data being automatically included in the ZIP if you have no existing MANIFEST.in file, and only if you're using 2.7+.
– Johnus
Oct 19 '16 at 23:17
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How to install a private NPM module without my own registry?
...a) a folder containing a program described by a package.json file
b) a gzipped tarball containing (a)
c) a url that resolves to (b)
d) a <name>@<version> that is published on the registry with (c)
e) a <name>@<tag> that points to (d)
f) a <name> that has ...
List of tuples to dictionary
..."one": 1, "two":
2}:
dict(one=1, two=2)
dict({'one': 1, 'two': 2})
dict(zip(('one', 'two'), (1, 2)))
dict([['two', 2], ['one', 1]])
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Why there is no ForEach extension method on IEnumerable?
Inspired by another question asking about the missing Zip function:
20 Answers
20
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Ship an application with a database
.../databases/my_database.db
(Optionally, you may compress the database in a zip file such as assets/databases/my_database.zip. This isn't needed, since the APK is compressed as a whole already.)
Create a class, for example:
public class MyDatabase extends SQLiteAssetHelper {
private static fina...
How to copy Java Collections list
...tp://www.java2s.com/Open-Source/Java-Document/6.0-JDK-Core/Collections-Jar-Zip-Logging-regex/java/util/Collections.java.htm
If you need a deep copy, you have to iterate over the items manually, using a for loop and clone() on each object.
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