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Is there a way to access method arguments in Ruby?
...meters # => [[:req, :x], [:req, :y]]
You can use the special variable __method__ to get the name of the current method. So within a method the names of its parameters can be obtained via
args = method(__method__).parameters.map { |arg| arg[1].to_s }
You could then display the name and value ...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
...
400494: 48 89 17 mov %rdx,(%rdi)
400497: 48 89 06 mov %rax,(%rsi)
40049a: c3 retq
40049b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
00000000004004a0 <give_point>:
4004a0: 66 0f 28 05 28 01 00 movapd 0x1...
How to get a reference to a module inside the module itself?
...
import sys
current_module = sys.modules[__name__]
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Preserving signatures of decorated functions
...nstall decorator module:
$ pip install decorator
Adapt definition of args_as_ints():
import decorator
@decorator.decorator
def args_as_ints(f, *args, **kwargs):
args = [int(x) for x in args]
kwargs = dict((k, int(v)) for k, v in kwargs.items())
return f(*args, **kwargs)
@args_as_int...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
...how the database server sorts (compares pieces of text). in this case:
SQL_Latin1_General_CP1_CI_AS
breaks up into interesting parts:
latin1 makes the server treat strings using charset latin 1, basically ascii
CP1 stands for Code Page 1252
CI case insensitive comparisons so 'ABC' would equal '...
C++ project organisation (with gtest, cmake and doxygen)
...asy is the dependency to install on their
platform. CMake comes with a find_package script for Google
Test. This makes things a lot easier. I would go with bundling only
when necessary and avoid it otherwise.
How to build: Avoid in-source builds. CMake makes out of source-builds
easy and it makes l...
How can I select the first day of a month in SQL?
...
Please use this
For Server 2012
DATEFROMPARTS(year('2015-06-30'),month('2015-06-30'),1)
Before Server 2012
select cast(cast(year('2015-06-30') as varchar(4))+'-'+ cast(month('2015-06-30') as varchar(2))+'-01' as smalldatetime)
...
How to keep a Python script output window open?
...w.
Add code to wait at the end of your script. For Python2, adding ...
raw_input()
... at the end of the script makes it wait for the Enter key. That method is annoying because you have to modify the script, and have to remember removing it when you're done. Specially annoying when testing other ...
廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... localhost.localdomain localhost6 localhost6.localdomain6
172.16.20.45 gfs_1
172.16.20.46 gfs_2
10.10.10.45 gfs_1
10.10.10.46 gfs_2
2、配置双机互信
[root@gfs_1 ~]# ssh-keygen -t rsa -P ''
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_r...
Java “lambda expressions not supported at this language level”
...: android { compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } }
– BaDo
Sep 25 '15 at 2:30
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