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Difference between modes a, a+, w, w+, and r+ in built-in open function?
...ile - ignores any seek movements.
BTW. interesting behavior at least on my win7 / python2.7, for new file opened in a+ mode:
write('aa'); seek(0, 0); read(1); write('b') - second write is ignored
write('aa'); seek(0, 0); read(2); write('b') - second write raises IOError
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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...体表现还是不错的。
一般情况下，这两种指标用于性能调优，比如给定了几个条件，去检测另外一个条件，用这两个指标衡量，往往起到很好的效果。比如要比较某两种硬件平台的优劣，就可以使用相同的配置方法部署软件系...
搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...这种模式比单节点的高可用性要好很多。
下面看一下怎么一步步搭建一个mongodb的主从复制节点：
1、准备两台机器 192.168.0.1 和 192.168.0.2。 192.168.0.1 当作主节点， 192.168.0.2作为从节点。
2、分别下载mongodb安装程序包。在192.1...
Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine
...ndows 7 only (2633MB vs. 366MB). Better off installing Windows XP Mode on Win7 Pro and making copies for IE7 and IE 8, as suggested by Ian Robinson in the first post: Testing Multiple Versions of IE on One PC - IEBlogs
– David M. Miller
Nov 1 '11 at 17:08
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Reliable method to get machine's MAC address in C#
... the OS it is running using C#. Application will need to work on XP/Vista/Win7 32 and 64 bit as well as on those OSs but with a foreign language default. Many of the C# commands and OS queries don't work across OS. Any ideas? I have been scraping the output of "ipconfig /all" but this is terribl...
Eclipse - no Java (JRE) / (JDK) … no virtual machine
... old but I was running into this issue so I'll post my notes. I'm running Win7 64bit and I had the 32bit JRE installed. I downloaded Eclipse 64bit which looks for a 64bit JRE. Because I didn't have the 64bit JRE it threw the error, which makes sense. I went to the Java manual install page (which...
Key hash for Android-Facebook app
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This answer almost worked for me on Win7 x64. However, the resulting encoded cert was incorrect. Bryan Bedard's answer below will produce the correct cert value. I'm guessing the piping on windows is somehow the culprit.
– Walt Armour
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ASP.NET Temporary files cleanup
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Just an update on more current OS's (Vista, Win7, etc.) - the temp file path has changed may be different based on several variables. The items below are not definitive, however, they are a few I have encountered:
"temp" environment variable setting - then it would b...
Get DOS path instead of Windows path
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The above works on Win7 32bit - I just did it. But you're right, it doesn't work on 64bit (also tested).
– cssyphus
Feb 14 '13 at 2:16
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What's the difference between F5 refresh and Shift+F5 in Google Chrome browser?
...he latest version of Chrome (as do Ctrl-R and Ctrl-Shift-R) on. I tried on Win7 and Win Server 2008 R2 - will try on Win10 later. So much for experts!
– Zeek2
Jul 9 '18 at 6:59
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