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How can I use a batch file to write to a text file?
...d in D:\Temp\WriteText.bat
@echo off
echo This is a test> test.txt
echo 123>> test.txt
echo 245.67>> test.txt
Output:
D:\Temp>WriteText
D:\Temp>type test.txt
This is a test
123
245.67
D:\Temp>
Notes:
@echo off turns off printing of each command to the console
Unless...
Replace only some groups with Regex
...Group Index and Length properties of a matched group.
var text = "example-123-example";
var pattern = @"-(\d+)-";
var regex = new RegEx(pattern);
var match = regex.Match(text);
var firstPart = text.Substring(0,match.Groups[1].Index);
var secondPart = text.Substring(match.Groups[1].Index + matc...
How do I get the list of keys in a Dictionary?
...g, int> data = new Dictionary<string, int>();
data.Add("abc", 123);
data.Add("def", 456);
foreach (string key in data.Keys)
{
Console.WriteLine(key);
}
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...
jQuery Mobile: document ready vs. page events
...Page:
$.mobile.changePage('page2.html', { dataUrl : "page2.html?paremeter=123", data : { 'paremeter' : '123' }, reloadPage : true, changeHash : true });
And read them like this:
$(document).on('pagebeforeshow', "#index", function (event, data) {
var parameters = $(this).data("url").split("?"...
Java; String replace (using regular expressions)?
...answered Jul 23 '16 at 21:52
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Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...态内存，文件描述符等，执行完是否有正确释放？指针等操作是否规范？
性能如何
是否有一些执行耗时的操作，I/O，网络文件下载，文件解析等，是否可以进行优化？是否会影响到功能体验？使用异步线程执行会更好吗？
...
TypeError: ObjectId('') is not JSON serializable
...
123
You should define you own JSONEncoder and using it:
import json
from bson import ObjectId
cl...
Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...环境有大致的认识。
1.1． Linux进程及进程同步
进程是操作系统中执行特定任务的一个实体，在保护模式下每个进程拥有其特定的指令空间及内存空间，Linux环境下每一个程序可以对应一个或多个进程，可以由一个主进程管理多...
VSS使用指南 - 开源 & Github - 清泛网 - 专注IT技能提升
...：CD ROM
◆ 显示：VGA或更高级显示器，推荐SuperVGA。
◆ 操作系统：Microsoft Windows 95或以后版本或者MicrosoftWindows NT 4.0，NT要求Service Pack 3或更高版本(包括ServicePack 3)
◆ 外围设备/其它: Microsoft Internet Explorer 4.01 Service Pack1 (包含).
2...
Double vs single quotes
...ring:
This regex pattern will work because passed within single-quotes:
"123 ABC".match('\d')
=> #<MatchData "1">
This regex pattern will fail because passed within double-quotes (you would have to double-escape it to get it to work):
"123 ABC".match("\d")
=> nil
...