大约有 40,000 项符合查询结果(耗时:0.1045秒) [XML]
UDP vs TCP, how much faster is it? [closed]
...ternet (and unlikely ever will), so it is the Intranet-only realm; (b) per Google, only 8-9% of Internet population has problems with UDP;(c) "network unfriendly" doesn't apply for fixed-rate stream
– No-Bugs Hare
May 18 '18 at 11:27
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Is it good style to explicitly return in Ruby?
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I found the question while Googling on implicit returns, as I had just been burned by this. I had added some logic to the end of a function that was implicitly returning something. Most calls to it didn't care (or check) the returned value, but one d...
Initial bytes incorrect after Java AES/CBC decryption
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Most times you don't want to use ECB. Just google why.
– João Fernandes
Mar 22 '13 at 4:43
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How to set time zone of a java.util.Date?
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After a Googling, experimenting and expleting, I've realised this is a precise and helpful addition to the answer - and worth highlighting: Date only contains the millisecond value. If you look at the source, there's pretty much just...
Why do I need to override the equals and hashCode methods in Java?
...rriding equals() as well. It's also whats written in Effective Java: books.google.fr/…
– Johnny
Apr 4 '16 at 12:59
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Why are static variables considered evil?
...y the senior technical lot to cut down on the number of statics used. I've googled about the same, and I find that many programmers are fairly against using static variables.
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Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
Obviously Python is more user friendly, a quick search on google shows many results that say that, as Python is byte-compiled is usually faster. I even found this that claims that you can see an improvement of over 2000% on dictionary-based operations.
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Why is SELECT * considered harmful?
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I know this is older, but it's what was pulled up while googling so I'm asking. "When * means "a row". In the following use cases, SELECT * is just fine, and rumors that it's a performance killer are just urban legends..." do you have any references here? Is this statement due to...
What makes Lisp macros so special?
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@Student I suppose so: books.google.fr/… suggests you are right.
– VonC
May 8 at 5:22
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When should I use a composite index?
... need for this job.
Some databases have spacial indexes built in. A quick Google search shows MySQL 5 has them (which looking at your SQL I'm guessing you're using MySQL).
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