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Limitations of Intel Assembly Syntax Compared to AT&T [closed]
...SM (on DOS, too) and found it more intuitive initially when switching to C/UNIX. But once you learn AT&T it'll look just as easy.
I wouldn't give it that much thought---it's easy to learn AT&T once you know Intel, and vice-versa. The actual language is much harder to get in your head than t...
Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...数目，因为并不是所有线程都一直在工作。通过使用概要分析，您可以估计某个典型请求的等待时间（WT）与服务时间（ST）之间的比例。如果我们将这一比例称之为 WT/ST，那么对于一个具有 N 个处理器的系统，需要设置大约 N*(1...
In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
...ilar when you fetch it from the database, it's really a just a front for a unix timestamp. Its valid range goes from 1970 to 2038. The difference here, aside from the various built-in functions within the database engine, is storage space. Because DATETIME stores every digit in the year, month day, ...
What does the C++ standard state the size of int, long type to be?
...ng and pointer are all 32-bit quantities.
For 64-bit systems, the primary Unix 'de facto' standard is LP64 — long and pointer are 64-bit (but int is 32-bit). The Windows 64-bit standard is LLP64 — long long and pointer are 64-bit (but long and int are both 32-bit).
At one time, some Unix syst...
Set cURL to use local virtual hosts
...d then the HOME environment variables. Failing that, it uses getpwuid() on UNIX-like systems (which returns the home dir
given the current user in your system). On Windows, it then checks for the APPDATA variable, or as a last resort the '%USERPROFILE%\Application Data'.
2) On wind...
Why does the arrow (->) operator in C exist?
... I will refer as CRM for "C Reference Manual", which came with 6th Edition Unix in May 1975), operator -> had very exclusive meaning, not synonymous with * and . combination
The C language described by CRM was very different from the modern C in many respects. In CRM struct members implemented t...
Getting root permissions on a file inside of vi? [closed]
... Can you explain how this works? I looked up tee and see it's a Unix pipe command, and ! inserts a shell command. Is the :w writing to standard out, which gets piped by tee?
– Eric Hu
Sep 10 '12 at 19:37
...
How to ignore user's time zone and force Date() use specific time zone
...every other part of the world. And because the server timestamp is usually UNIX timestamp, which is by definition in UTC, the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT), we cannot determine DST or non-DST from timestamp.
So the solution is to DISREGARD the current time zon...
Exit a Script On Error
...tuff
Other traps can be set to handle other signals, including the usual Unix signals plus the other Bash pseudo signals RETURN and DEBUG.
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What's the difference between “squash” and “fixup” in Git/Git Extension?
...LL BE LOST.
D:/code/fenixito-legacy-api/.git/rebase-merge/git-rebase-todo [unix] (11:57 23/10/2019) 1,1 start
"D:/code/xxx/.git/rebase-merge/git-rebase-todo" [UNIX] 27L, 1170C
So you see:
s, squash = use commit, but meld into previous commit
f, fixup = lik...