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How can I use “sizeof” in a preprocessor macro?
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Following snippets will produce no code if sizeof(someThing) equals PAGE_SIZE; otherwise they will produce a compile-time error.
1. C11 way
Starting with C11 you can use static_assert (requires #include <assert.h>).
Usage:
static_assert(sizeof(someThing) == PAGE_SIZE, "Data structure do...
Traits in PHP – any real world examples/best practices? [closed]
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My personal opinion is that there is actually very little application for traits when writing clean code.
Instead of using traits to hack code into a class it is better to pass in the dependencies via the constructor or via setters:
class ClassName {
protected...
Nested Models in Backbone.js, how to approach
...n modify the parse method to change a attributes around in the object, but all of that is actually pretty unmaintainable code IMO, and feels more of a hack than a solution.
Here's what I suggest for your example:
First define your Layout Model like so.
var layoutModel = Backbone.Model.extend({});...
单页web应用（SPA）的简单介绍 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... main.innerHTML=data;
}
});
}
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参考原文链接：http://www.cnblogs.com/constantince/p/5586851.html
单页应用 SPA
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
Update: Now that it's 2016 I'd use PowerShell for this unless there's a really compelling backwards-compatible reason for it, particularly because of the regional settings issue with using date . See @npocmaka's https://stackoverflow.com/a/19799236/8479
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How to instantiate a File object in JavaScript?
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@PA.Buisson I'm not sure if this holds for all cases(it was sufficient for me), but you can use the Blob() constructor instead, as suggested here
– raymondboswel
Jan 23 '17 at 10:07
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How do I focus on one spec in jasmine.js?
... its a good tip, but currently it isn't in jasmine. this is allowed by test runners like karma. for more info read on: github.com/pivotal/jasmine/pull/309
– p1100i
Aug 12 '14 at 9:08
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Cannot change version of project facet Dynamic Web Module to 3.0?
...so I changed the library in Java Build Path to obtain the JavaSE-1.7. It's all OK up to here.
31 Answers
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In pure functional languages, is there an algorithm to get the inverse function?
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In some cases, yes! There's a beautiful paper called Bidirectionalization for Free! which discusses a few cases -- when your function is sufficiently polymorphic -- where it is possible, completely automatically to derive an inverse function. (It also discusses what makes...
Get the current script file name
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Just use the PHP magic constant __FILE__ to get the current filename.
But it seems you want the part without .php. So...
basename(__FILE__, '.php');
A more generic file extension remover would look like this...
function chopExtension($filename) {
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