大约有 3,000 项符合查询结果（耗时：0.0407秒） [XML]
Regular expression \p{L} and \p{N}
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\p{L} matches a single code point in the category "letter".
\p{N} matches any kind of numeric character in any script.
Source: regular-expressions.info
If you're going to work with regular expressions a lot, I'd suggest bookmarking that site, it's very useful.
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How do I manipulate a variable whose name conflicts with PDB commands?
My code is, for better or worse, rife with single letter variables (it's physics stuff, so those letters are meaningful), as well as NumPy's, which I'm often interacting with.
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Why do indexes in XPath start with 1 and not 0?
...ry, RSS feeds (and the XML data they contained) were read by humans in the raw format. Blogs and other news sources used RSS feeds and XML to output continuously updated information. Since XML was being read by mere mortals (non-programmers), XPath and XSLT also needed to be easily understandable, s...
unable to copy/paste in mingw shell
... MINGW64 (mintty 2.7.9) terminal in Windows 10, you can enable "Ctrl+Shift+letter shortcuts" to perform copy with (Ctrl+Shift+c) and paste with (Ctrl+Shift+v).
To enable the feature:
right-click command window
Click on 'Keys'
Check the box for 'Ctrl+Shift+letter shortcuts'
When you vi/vim into...
Mockito: InvalidUseOfMatchersException
...othing().when(cmd).dnsCheck(HOST, any(InetAddressFactory.class))
uses one raw value and one matcher, when it's required to use either all raw values or all matchers. A correct version might read
doNothing().when(cmd).dnsCheck(eq(HOST), any(InetAddressFactory.class))
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Concept behind these four lines of tricky C code
...tands for C++Suc;C. In every call, m[0] gets doubled, to "repair" last two letters. In the last call, m[0] contains ASCII char representation of C++Sucks and m[1] contains only zeros, so it has a null terminator for C++Sucks string. All under assumption that m[0] is stored on 8 bytes, so each char t...
Safe characters for friendly url [closed]
... purpose are called unreserved. These include uppercase and lowercase
letters, decimal digits, hyphen, period, underscore, and tilde."
ALPHA DIGIT "-" / "." / "_" / "~"
Note that RFC 3986 lists fewer reserved punctuation marks than the older RFC 2396.
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When to use PNG or JPG in iPhone development?
...ession requires "very little" energy; the Other.artwork file appears to be raw bitmap data, presumably because the CPU/memory overhead of PNG decompression is too much for commonly-used UI components.
– tc.
Oct 14 '10 at 2:06
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Generating a random password in php
...g.
Note however that the password only contains numbers 0-9 and small cap letters a-f!
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Proper way to catch exception from JSON.parse
...; req.status == 200))
return false;
const json = (function(raw) {
try {
return JSON.parse(raw);
} catch (err) {
return false;
}
})(req.responseText);
if (!json)
return false;
document.body.innerHTML = "Y...