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Does Python have an ordered set?
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I'm pretty sure you're not allowed to have two methods both called union in the same class. The last one will "win" and the first one will fail to exist at runtime. This is because OrderedSet.union (no parens) has to refer to a single object.
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How to disable HTML button using JavaScript?
I’ve read that you can disable (make physically unclickable) an HTML button simply by appending disable to its tag, but not as an attribute, as follows:
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google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
... string value = "Hello World!";
MockFoo mockFoo;
EXPECT_CALL(mockFoo, getArbitraryString()).Times(1).
WillOnce(Return(value));
string returnValue = mockFoo.getArbitraryString();
cout << "Returned Value: " << returnValue << endl;
return...
How do you test functions and closures for equality?
...s Lattner wrote on the developer forums:
This is a feature we intentionally do not want to support. There are
a variety of things that will cause pointer equality of functions (in
the swift type system sense, which includes several kinds of closures)
to fail or change depending on optimiz...
setuptools: package data folder location
...installed.
For example, if I have a project layout like so:
project/
foo/
__init__.py
data/
resource1/
foo.txt
You can add a function to __init__.py to locate an absolute path to a data
file:
import os
_ROOT = os.path.abspath(os.path.dirname(__f...
Modify SVG fill color when being served as Background-Image
... & height of a page and then use z-index css property to put it behind all the other DOM elements on a page.
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How do I get the number of elements in a list?
...turns 3.
Explanation
Everything in Python is an object, including lists. All objects have a header of some sort in the C implementation.
Lists and other similar builtin objects with a "size" in Python, in particular, have an attribute called ob_size, where the number of elements in the object is...
Pragma in define macro
...ay of doing that. Then again, there are no portable ways to use #pragma at all. Because of this, many C/C++ compilers define their own methods for doing pragma-like things, and they often can be embedded in macros, but you need a different macro definition on every compiler. If you are willing to go...
一次「Too many open files」故障 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...看 ElasticSearch 打开的都是什么东西：
shell> ls /proc/<PID>/fd
问题看上去非常简单，只要加大相应的配置项应该就可以了。此配置在 ElasticSearch 里叫做 MAX_OPEN_FILES，可惜配置后发现无效。
按我的经验，通常此类问题多半是由于操...
Mac OS X Git安装教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...key has been saved in id_rsa.pub.
The key fingerprint is:
fb:c4:b0:e0:47:fd:be:e0:fb:ea:73:ef:a8:29:d5:22 jonezhang86@gmail.com
The key's randomart image is:
+--[ RSA 2048]----+
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