大约有 15,610 项符合查询结果（耗时：0.0255秒） [XML]
disable all form elements inside div
... i realize that this is an old thread, but this kicks up some errors when using typescript
– Simon Price
Oct 3 '18 at 13:11
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scp (secure copy) to ec2 instance without password
..., when I want to use it to SCP a file, it gives me the "Permission Denied" error! How can I solve this?
– AleX_
Jan 18 '19 at 22:27
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How to set request headers in rspec request spec?
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Yeah. In rspec it raises ndefined method 'header' error for me.
– Евгений Масленков
Oct 19 '17 at 10:11
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Catch paste input
...odd that the short-hand version of binding's doesn't work with this, i.e., error if I try this: $(this).paste(function(e) {...});, even though that works for short-handing .on('click'), etc..
– HoldOffHunger
Nov 14 '17 at 22:25
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django syncdb and an updated model
...tried using South, and after an hour of frustration with obscure migration errors decided to go with Django Evolution instead.
I think it's easier to get started with than South, and it worked perfectly the first time I typed ./manage.py evolve --hint --execute, so I'm happy with it.
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How to check 'undefined' value in jQuery
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Note that typeof always returns a string, and doesn't generate an error if the variable doesn't exist at all.
function A(val){
if(typeof(val) === "undefined")
//do this
else
//do this
}
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What does the question mark operator mean in Ruby?
...a boolean return type so I tried adding them to flag variables, leading to errors. This led to me erroneously believing for a while that there was some special syntax involving ?s.
Relevant: Why can't a variable name end with `?` while a method name can?
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Display number with leading zeros
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x = "%02d.txt" % i raises TypeError (cannot concatenate 'str' and 'int' objects), but x = "%02d.txt" % (i,) does not. Interesting. I wonder where is that documented
– theta
Nov 5 '12 at 18:10
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PHP YAML Parsers [closed]
...e wanted something that was "easy to use, fast, unit tested and had clear error messages."
spyc: YAML parser without dependencies
At the time of this writing, the latest versions release dates for the aforementioned libraries and the versions of the YAML spec (1.2 is the latest version) they sup...
Guid is all 0's (zeros)?
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Right, good point, you will get an error if you use an uninitialized variable, so the value cannot be used.
– JohnD
Nov 2 '11 at 1:35
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