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Python name mangling
...oo.__test
>>> Foo._Foo__test
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: type object 'Foo' has no attribute '_Foo__test'
Also, those new to Python sometimes have trouble understanding what's going on when they can't manually access ...
Flags to enable thorough and verbose g++ warnings
...C-4.7-only warnings, which I will add when I transition to GCC 4.7.
I've filed a few bug reports / enhancement requests at gcc as a result of some of this research, so hopefully I'll be able to eventually add more of the warnings from the "do not include" list to the "include" list. This list incl...
What is the Sign Off feature in Git for?
...documentation describing --signoff
Modify various document (man page) files to explain in more detail what --signoff means.
This was inspired by "lwn article 'Bottomley: A modest proposal on the DCO'" (Developer Certificate of Origin) where paulj noted:
The issue I have with DCO ...
Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...s varargs. For this reason, the Varargs library is not part of any CLI profile. Legitimate CLI implementations may choose not to support Varargs library as it's not included in the CLI Kernel profile:
4.1.6 Vararg
The vararg feature set supports variable-length argument lists and runtime-typed poi...
How to detect if multiple keys are pressed at once using JavaScript?
...r map = [], so users of your site won't get frustrated when the "Duplicate File" function, being put on CtrlD, bookmarks the page instead.
if(map[17] && map[68]){ // CTRL+D
alert('The bookmark window didn\'t pop up!');
map = {};
return false;
}
Without return false, the Bookmark...
How to generate random SHA1 hash to use as ID in node.js?
...ran it in 4 threads (I have a 4-core processor), appending the output to a file
$ yes | xargs -n 1 -P 4 node random_zero.js >> zeroes.txt
So it turns out that a 0 is not that hard to get. After 100 values were recorded, the average was
1 in 3,164,854,823 randoms is a 0
Cool! More rese...
How do I plot in real-time in a while loop using matplotlib?
....exit(app.exec_())
Just try it out. Copy-paste this code in a new python-file, and run it. You should get a beautiful, smoothly moving graph:
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Difference between Char.IsDigit() and Char.IsNumber() in C#
...rLikes.Contains(Char.GetUnicodeCategory(c)))
{
File.AppendAllText("IsNumberLike.txt", string.Format("{0},{1},{2},&#{3};,{4},{5}\n", i, c, Char.GetUnicodeCategory(c), i, Char.IsNumber(c), Char.IsDigit(c)));
}
}
}
Result looks following: As you...
社交应用组件 · App Inventor 2 中文网
...在文件夹 Appinventor/assets 中，它的表示方式可能是：
"file:///sdcard/Appinventor/assets/arrow.gif"; 或
"/storage/Appinventor/assets/arrow.gif"
分享消息 弹出其他App的界面：弹出的是文档（保存文本到文档）、地图（文本作为搜索地址）...
Are static class variables possible in Python?
...t;>> x.bar
0
>>> x.foo
Traceback (most recent call last):
File "<interactive input>", line 1, in <module>
AttributeError: X instance has no attribute 'foo'
>>> X.foo = 1
>>> x.foo
1
And class instances can change class variables
class X:
l = []
d...