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Erlang's 99.9999999% (nine nines) reliability
...ntime, the author can state "nine nines reliability" for AXD301 (which was all he ever said, avoiding specifics). It doesn't necessarily mean Erlang is the only cause of such high reliability.
EDIT: In fact, "20 years" itself seems like a misinterpretation. Joe mentions a figure of 20 years in the s...
Detect Safari browser
...rAgent);
It uses negative look-arounds and it excludes Chrome, Edge, and all Android browsers that include the Safari name in their user agent.
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Activity transition in Android
... On HTC you have to change settings > display > animation to all for it to work (or at least on HTC Desire HD).
– Urboss
May 1 '12 at 14:57
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How do I deploy Node.js applications as a single executable file? [duplicate]
...ourse, I want to make it easy for the user, hence I do not want him to install Node.js, run npm install and then manually type node app.js .
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sed command with -i option failing on Mac, but works on Linux
...files because it is impossible to find a mix of sed commands that works on all cases:
sed -i -e ... - does not work on OS X as it creates -e backups
sed -i'' -e ... - does not work on OS X 10.6 but works on 10.9+
sed -i '' -e ... - not working on GNU
Note Given that there isn't a sed command wor...
Why is #!/usr/bin/env bash superior to #!/bin/bash?
...or example, on my OpenBSD system, it's in /usr/local/bin, since it was installed as an optional package.
If you are absolutely sure bash is in /bin and will always be, there's no harm in putting it directly in your shebang—but I'd recommend against it because scripts and programs all have lives b...
What is the meaning of the term arena in relation to memory?
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An arena is just a large, contiguous piece of memory that you allocate once and then use to manage memory manually by handing out parts of that memory. For example:
char * arena = malloc(HUGE_NUMBER);
unsigned int current = 0;
void * my_malloc(size_t n) { current += n; return arena +...
What makes a keychain item unique (in iOS)?
...the keychain access group (field kSecAttrAccessGroup) is an added field to all these primary keys.
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两大桌面系统之战：Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...
两大桌面系统之战：Yosemite vs Windows 10哪个更好，哪个最好？每个人都有自己的标准，但是 Windows 10 更新中的特性和功能是否足以和 OS X Yosemite 竞争？
全新 Windows 10 操作系统已经在 7 月 29 日正式发布。就和移动行业中的 iO...
Building a minimal plugin architecture in Python
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Mine is, basically, a directory called "plugins" which the main app can poll and then use imp.load_module to pick up files, look for a well-known entry point possibly with module-level config params, and go from there. I use file-monitorin...