大约有 32,000 项符合查询结果（耗时：0.0444秒） [XML]
Encode String to UTF-8
...that can have a different encoding is a byte[]. So if you need UTF-8 data, then you need a byte[]. If you have a String that contains unexpected data, then the problem is at some earlier place that incorrectly converted some binary data to a String (i.e. it was using the wrong encoding).
...
What is an NP-complete in computer science?
...em with modified input (an NP problem can be reduced to the given problem) then the problem is NP complete.
The main thing to take away from an NP-complete problem is that it cannot be solved in polynomial time in any known way. NP-Hard/NP-Complete is a way of showing that certain classes of proble...
How to highlight text using javascript
... ); // End Call internalHighlighter
} // End Function highlight
};
Then you can use it like this:
function TestTextHighlighting(highlightText)
{
var container = document.getElementById("testDocument");
InstantSearch.highlight(container, highlightText);
}
Here's an example HTML docum...
Show a popup/message box from a Windows batch file
... this does is change the directory command.com will search for files from, then on the next line:
"insert name of your vbscript here".vbs
Then you create a new Notepad document, type in
<script type="text/vbscript">
MsgBox "your text here"
</script>
You would then save this as ...
How to export iTerm2 Profiles
...I was just being an idiot. I was thinking it wanted me to name a file and then choose a directory rather than just choosing a directory to save it in. I feel so stupid right now...
– Alex Cory
May 1 '14 at 0:25
...
What is the “Execute Around” idiom?
...tement) before running the actual query and processing the result set, and then you always do the same boilerplate cleanup at the end--closing the statement and connection.
The idea with execute-around is that it's better if you can factor out the boilerplate code. That saves you some typing, but t...
Database development mistakes made by application developers [closed]
...pile a query minus the data used in inserts, updates and WHERE clauses and then supply that later. For example:
SELECT * FROM users WHERE username = 'bob'
vs
SELECT * FROM users WHERE username = ?
or
SELECT * FROM users WHERE username = :username
depending on your platform.
I've seen data...
How do I select elements of an array given condition?
... (logical) and. x > 1 and x < 5 evaulates the inequalities first and then the logical conjunction; x > 1 & x < 5 evaluates the bitwise conjunction of 1 and (the values in) x, then the inequalities. (x > 1) & (x < 5) forces the inequalities to evaluate first, so all of the o...
npm not working after clearing cache
...
then i guess the message from NPM is wrong. Nothing is guaranteed to self heal. We don't live in a land of magic.
– speciesUnknown
Feb 28 '19 at 17:00
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Is System.nanoTime() completely useless?
...can be read as implying that nanoTime calls clock_gettime(CLOCK_REALTIME), then it's safe-ish as of kernel 2.6.18 on x86, and always on PowerPC (because IBM and Motorola, unlike Intel, actually know how to design microprocessors).
There's no mention of SPARC or Solaris, sadly. And of course, we hav...