大约有 2,100 项符合查询结果(耗时:0.0275秒) [XML]

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Difference between std::system_clock and std::steady_clock?

...e Windows QueryPerformanceCounter based C++11 API compatible clock struct qpc_clock { typedef std::chrono::nanoseconds duration; // nanoseconds resolution typedef duration::rep rep; typedef duration::period ...
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Best approach to real time http streaming to HTML5 video client

...eek to whatever point you wish. Now let's dig in a bit. Platforms: iOS PC Mac Android Codecs: vp8/9 h.264 thora (vp3) Common Delivery methods for live video in browsers: DASH (HTTP) HLS (HTTP) flash (RTMP) flash (HDS) Common Delivery methods for VOD in browsers: DASH (HTTP Streaming)...
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Speed up the loop operation in R

... something. (simple operation). The data.frame has roughly 850K rows. My PC is still working (about 10h now) and I have no idea about the runtime. ...
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Is there a way to cache GitHub credentials for pushing commits?

... Well, the _netrc didn't work for me on a Windows 7 PC, but the .netrc worked for youtube-dl with the --netrc argument passed to it. – Iulian Onofrei Apr 12 '15 at 23:02 ...
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SQL Server Script to create a new user

...face. For this to work, you need to be an Administrator on Windows for the PC that you’re logged onto. Stop the MSSQL service. Open a Command Prompt using Run As Administrator. Change to the folder that holds the SQL Server EXE file; the default for SQL Server 2014 is “C:\Program Files\Microsof...
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What is the smallest possible valid PDF?

...f the 67 byte version: JVBERi0xLg10cmFpbGVyPDwvUm9vdDw8L1BhZ2VzPDwvS2lkc1s8PC9NZWRpYUJveFswIDAgMyAzXT4+XT4+Pj4+Pg== – MCattle Mar 9 '16 at 21:59  |  ...
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Best practice for Django project working directory structure

.... But it does not show a way to organize another files and all projects on pc. 6 Answers ...
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Common programming mistakes for Clojure developers to avoid [closed]

...s, temporarily having forgotten what it is I was printing. Funny, why's my PC all hung up? trying to program Clojure imperatively. There is some temptation to create a whole lot of refs or atoms and write code that constantly mucks with their state. This can be done, but it's not a good fit. It ma...
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What is the proper way to re-attach detached objects in Hibernate?

...lready associated with the session : [com.vladmihalcea.book.hpjp.hibernate.pc.Book#1] at org.hibernate.engine.internal.StatefulPersistenceContext.checkUniqueness(StatefulPersistenceContext.java:651) at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.performUpdate(DefaultSaveOrU...
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What are the use cases for selecting CHAR over VARCHAR in SQL?

...ld also mean the time it takes to get the data from the server to my local pc or to another computer or wherever it is going to be consumed. But there is some overhead in using varchar. SQL Server has to use a two byte indicator (overhead) to, on each row, to know how many bytes that particular ro...