大约有 30,000 项符合查询结果(耗时:0.0511秒) [XML]

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Why does GCC generate such radically different asse<em>mem>bly for nearly the sa<em>mem>e C code?

While writing an opti<em>mem>ized ftol function I found so<em>mem>e very odd behaviour in GCC 4.6.1 . Let <em>mem>e show you the code first (for clarity I <em>mem>arked the differences): ...
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postgres: upgrade a user to be a superuser?

... ALTER USER <em>mem>yuser WITH SUPERUSER; You can read <em>mem>ore at the Docu<em>mem>entation share | i<em>mem>prove this answer | follo...
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Si<em>mem>ple proof that GUID is not unique [closed]

I'd like to prove that a GUID is not unique in a si<em>mem>ple test progra<em>mem>. I expected the following code to run for hours, but it's not working. How can I <em>mem>ake it work? ...
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Update Row if it Exists Else Insert Logic with Entity Fra<em>mem>ework

Does anyone have suggestions on the <em>mem>ost efficient way to i<em>mem>ple<em>mem>ent "update row if it exists else insert" logic using Entity Fra<em>mem>ework? ...
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How are <em>mem>sys, <em>mem>sys2, and <em>mem>sysgit related to each other?

...'t find a thorough description of what's going on with these 3 versions of <em>Mem>SYS. (It's entirely possible I just don't know what to look for.) I do understand that <em>Mem>SYS is a <em>mem>ini<em>mem>al port of Linux tools to support develop<em>mem>ent using <em>Mem>inGW, but I'<em>mem> not clear on the relationship between the three of the<em>mem>...
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Get the IP address of the re<em>mem>ote host

In ASP.NET there is a Syste<em>mem>.Web.HttpRequest class, which contains ServerVariables property which can provide us the IP address fro<em>mem> RE<em>Mem>OTE_ADDR property value. ...
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Node.js and CPU intensive requests

... Node.js HTTP server and really like to write server side Javascript but so<em>mem>ething is keeping <em>mem>e fro<em>mem> starting to use Node.js for <em>mem>y web application. ...
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Best way to generate rando<em>mem> file na<em>mem>es in Python

In Python, what is a good, or the best way to generate so<em>mem>e rando<em>mem> text to prepend to a file(na<em>mem>e) that I'<em>mem> saving to a server, just to <em>mem>ake sure it does not overwrite. Thank you! ...
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How to insert a newline in front of a pattern?

...In general, for $ followed by a string literal in single quotes bash perfor<em>mem>s C-style backslash substitution, e.g. $'\t' is translated to a literal tab. Plus, sed wants your newline literal to be escaped with a backslash, hence the \ before $. And finally, the dollar sign itself shouldn't be quoted ...
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Which ti<em>mem>esta<em>mem>p type should I choose in a PostgreSQL database?

I would like to define a best practice for storing ti<em>mem>esta<em>mem>ps in <em>mem>y Postgres database in the context of a <em>mem>ulti-ti<em>mem>ezone project. ...