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Python constructors and __init__
...nce of C after it is created.
For example Python allows you to do:
class Test(object):
pass
t = Test()
t.x = 10 # here you're building your object t
print t.x
But if you want every instance of Test to have an attribute x equal to 10, you can put that code inside __init__:
class Test(obj...
How do you get assembler output from C/C++ source in gcc?
... generate what code:
# create assembler code:
g++ -S -fverbose-asm -g -O2 test.cc -o test.s
# create asm interlaced with source lines:
as -alhnd test.s > test.lst
Found in Algorithms for programmers, page 3 (which is the overall 15th page of the PDF).
...
How to avoid explicit 'self' in Python?
...
You can use whatever name you want, for example
class test(object):
def function(this, variable):
this.variable = variable
or even
class test(object):
def function(s, variable):
s.variable = variable
but you are stuck with using a name for the scope....
How to trim a string in SQL Server before 2017?
...this example, Space, tab, LF and CR characters are being trimmed:
Declare @Test nvarchar(50) = Concat (' ', char(9), char(13), char(10), ' ', 'TEST', ' ', char(9), char(10), char(13),' ', 'Test', ' ', char(9), ' ', char(9), char(13), ' ')
DECLARE @TrimPattern nvarchar(max) = '%[^ ' + char(9) + char(...
Is there any particular difference between intval and casting to int - `(int) X`?
...ted in the comments on the PHP doc page and shamelessly reiterated here:
$test_int = 12;
$test_string = "12";
$test_float = 12.8;
echo (int) $test_int; // 12
echo (int) $test_string; // 12
echo (int) $test_float; // 12
echo intval($test_int, 8); // 12 <-- WOAH!
echo i...
Public free web services for testing soap client [closed]
...y publicly available SOAP 1.2 / WSDL 2.0 compliant free web services for testing a Python based soap client library (e.g. Zolera SOAP Infrastructure )?
...
Are nested transactions allowed in MySQL?
...
InnoDB supports SAVEPOINTS.
You can do the following:
CREATE TABLE t_test (id INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
START TRANSACTION;
INSERT
INTO t_test
VALUES (1);
SELECT *
FROM t_test;
id
---
1
SAVEPOINT tran2;
INSERT
INTO t_test
VALUES (2);
SELECT *
FROM t_test...
VC/MFC 临界区域使用方法实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...方法：
*.h头文件：
#include <winbase.h>
CRITICAL_SECTION m_cs_test; ///< 定义一个临界区域对象
*.cpp源文件使用方法：
在类的构造函数内初始化临界区域对象
//该函数必须在任何线程调用EnterCriticalSection函数之前被调用，否则结果将...
包默认：src\appinventor\ai_zqp2013\test269 定制包名考虑实现一下。 - 微...
包默认：src\appinventor\ai_zqp2013\test269
定制包名考虑实现一下。edu.mit.appinventor.aicompanion3.Screen1main=appinventor.ai_zqp2013.test269.Screen1
Check whether an input string contains a number in javascript
...umber", not "is number". So:
function hasNumber(myString) {
return /\d/.test(myString);
}
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