大约有 32,294 项符合查询结果(耗时:0.0529秒) [XML]
Generating a random password in php
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What about this @Programster and @Hobo ? substr(str_shuffle(str_repeat($chars,$length)),0,$length);
– Charles-Édouard Coste
Sep 21 '17 at 14:40
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How to implement “confirmation” dialog in Jquery UI dialog?
...nabled. If javascript is disabled, the links will fire and the delete (or whatever other) operation will fire without confirmation, which could be catastrophic. I was hoping to find an answer which dealt with this issue.
– echo
Aug 5 '12 at 2:49
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LINQ equivalent of foreach for IEnumerable
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What does the resharper warning say?
– reggaeguitar
Jun 11 '19 at 19:25
1
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Check if an image is loaded (no errors) with jQuery
...to the original src attribute of the original image. Here's an example of what I mean:
$("<img/>")
.on('load', function() { console.log("image loaded correctly"); })
.on('error', function() { console.log("error loading image"); })
.attr("src", $(originalImage).attr("src"))
;
Ho...
How to parse JSON in Scala using standard Scala classes?
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Sorry to dig up an old post, but what's the meaning for the first Some(M(map)) in the loop? I understand the M(map) is extracting the map to the variable "map", but what about the Some?
– Federico Bonelli
Jul 17 '14 at ...
Which is faster : if (bool) or if(int)?
...ble unit. bool's size is implementation-defined, and may be 1, 4, or 8, or whatever. Compilers tend to make it one, though.
– GManNickG
Apr 23 '11 at 20:20
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Handler is abstract ,cannot be instantiated
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What is difference between both of them?
– Krishnadas PC
Oct 16 '15 at 7:48
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Update data in ListFragment as part of ViewPager
... //has since been called.
fragment.updateDisplay(); // do what updates are required
}
}
I've no idea if this is a valid way of doing it, but it'll do until something better is suggested.
sh...
pandas: multiple conditions while indexing data frame - unexpected behavior
...m.
That's right. Remember that you're writing the condition in terms of what you want to keep, not in terms of what you want to drop. For df1:
df1 = df[(df.a != -1) & (df.b != -1)]
You're saying "keep the rows in which df.a isn't -1 and df.b isn't -1", which is the same as dropping every ...
My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
...from simplest to most complicated). Admittedly complexity measures are somewhat subjective.
WebSockets
HTTP poll
Plugin networking
HTTP long poll, streaming
Also note that there is a W3C proposal for standardizing HTTP streaming called Server-Sent Events. It is currently fairly early in it's evo...
