大约有 37,000 项符合查询结果（耗时：0.0622秒） [XML]
How do I use Node.js Crypto to create a HMAC-SHA1 hash?
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answered Sep 20 '11 at 4:38
Ricardo TomasiRicardo Tomasi
30.3k22 gold badges5050 silver badges6565 bronze badges
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C++11 range based loop: get item by value or reference to const
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410
If you don't want to change the items as well as want to avoid making copies, then auto const &a...
TypeScript: problems with type system
I'm just testing typescript in VisualStudio 2012 and have a problem with its type system. My html site has a canvas tag with the id "mycanvas". I'm trying to draw a rectangle on this canvas. Here's the code
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How to declare a global variable in a .js file
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edited Sep 6 '09 at 15:10
answered Jun 3 '09 at 11:48
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jQuery get the location of an element relative to window
... log(eTop - $(window).scrollTop());
});
});
#element {
margin: 140px;
text-align: center;
padding: 5px;
width: 200px;
height: 200px;
border: 1px solid #0099f9;
border-radius: 3px;
background: #444;
color: #0099d9;
opacity: 0.6;
}
#log {
position: fixed;
t...
Check if inputs are empty using jQuery
...g');
}
});
And you don't necessarily need .length or see if it's >0 since an empty string evaluates to false anyway but if you'd like to for readability purposes:
$('#apply-form input').blur(function()
{
if( $(this).val().length === 0 ) {
$(this).parents('p').addClass('warning'...
What should I do if the current ASP.NET session is null?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Sep 5 '09 at 8:51
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System.Net.Http: missing from namespace? (using .net 4.5)
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108
HttpClient lives in the System.Net.Http namespace.
You'll need to add:
using System.Net.Http;...
how to disable DIV element and everything inside [duplicate]
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edited Mar 21 '13 at 18:40
answered Mar 21 '13 at 18:33
Da...
Why do stacks typically grow downwards?
I know that in the architectures I'm personally familiar with (x86, 6502, etc), the stack typically grows downwards (i.e. every item pushed onto the stack results in a decremented SP, not an incremented one).
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