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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....
undefined reference to `WinMain@16'
...t I use for that. It only supplies options to make g++ more standard:
C:\test> gnuc x.cpp
C:\test> objdump -x a.exe | findstr /i "^subsystem"
Subsystem 00000003 (Windows CUI)
C:\test> _
This means that the linker by default produced a console subsystem executable....
Remove blank attributes from an Object in Javascript
...
You can loop through the object:
var test = {
test1 : null,
test2 : 'somestring',
test3 : 3,
}
function clean(obj) {
for (var propName in obj) {
if (obj[propName] === null || obj[propName] === undefined) {
delete obj[propName];
}
...
How can I get the client's IP address in ASP.NET MVC?
... here was very helpful, but I cleaned it up for my purposes and added some tests. Here's what I ended up with:
using System;
using System.Linq;
using System.Net;
using System.Web;
public class RequestHelpers
{
public static string GetClientIpAddress(HttpRequestBase request)
{
try
...
What are the differences between the threading and multiprocessing modules?
...on for this, there must be other Python inefficiencies coming into play.
Test code:
#!/usr/bin/env python3
import multiprocessing
import threading
import time
import sys
def cpu_func(result, niters):
'''
A useless CPU bound function.
'''
for i in range(niters):
result = ...
Truncating all tables in a Postgres database
...= 'public'
LOOP
RAISE NOTICE '%',
-- EXECUTE -- dangerous, test before you execute!
format('TRUNCATE TABLE %I.%I CASCADE', _sch, _tbl);
END LOOP;
END
$func$ LANGUAGE plpgsql;
format() requires Postgres 9.1 or later. In older versions concatenate the query string like th...
How to set child process' environment variable in Makefile
...ault. However you can use make's export to force them to do so. Change:
test: NODE_ENV = test
to this:
test: export NODE_ENV = test
(assuming you have a sufficiently modern version of GNU make >= 3.77 ).
share
...
google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...FooMain.cc
#include <cstdlib>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <iostream>
#include <string>
#include "MockFoo.h"
using namespace seamless;
using namespace std;
using ::testing::Return;
int main(int argc, char** argv) {
::testing::InitGoo...
How to modify a global variable within a function in bash?
...capture "$@")"; }
e=2
# Add following line, called "Annotation"
function test1_() { passback e; }
function test1() {
e=4
echo "hello"
}
# Change following line to:
capture ret test1
echo "$ret"
echo "$e"
prints as desired:
hello
4
Note that this solution:
Works for e=1000, too.
Prese...
Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
I'm trying to create a Regex test in JavaScript that will test a string to contain any of these characters:
6 Answers
...