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Random number generator only generating one random number
..., max);
}
}
Edit (see comments): why do we need a lock here?
Basically, Next is going to change the internal state of the Random instance. If we do that at the same time from multiple threads, you could argue "we've just made the outcome even more random", but what we are actually doing is ...
Hidden features of Perl?
What are some really useful but esoteric language features in Perl that you've actually been able to employ to do useful work?
...
How to update a record using sequelize for node?
...gt;
handleError(err)
)
Update 2016-03-09
The latest version actually doesn't use success and error anymore but instead uses then-able promises.
So the upper code will look as follows:
Project.update(
{ title: 'a very different title now' },
{ where: { _id: 1 } }
)
.then(result =&g...
How can I reference a commit in an issue comment on GitHub?
...linator/commit/f36e3c5b3aba23a6c9cf7c01e7485028a23c3811
\_____/\________/ \_______________________________________/
| | |
Account name | Hash of revision
Project...
Lua简明教程 - 脚本技术 - 清泛IT论坛,有思想、有深度
...ble来管理全局变量的,Lua把这些全局变量放在了一个叫“_G”的Table里。我们可以用如下的方式来访问一个全局变量(假设我们这个全局变量名叫globalVar):_G.globalVar
_G["globalVar"]复制代码
我们可以通过下面的方式来遍历...
Forward declaring an enum in C++
...can't know the storage required for the enum variable. C++ Compiler's are allowed to specify the actual storage space based on the size necessary to contain all the values specified. If all that is visible is the forward declaration, the translation unit can't know what storage size will have been...
How to Publish Web with msbuild?
Visual Studio 2010 has a Publish command that allows you to publish your Web Application Project to a file system location. I'd like to do this on my TeamCity build server, so I need to do it with the solution runner or msbuild. I tried using the Publish target, but I think that might be for ClickOn...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...r using it inside the block should be ok, but it still shows the warning.
__block ASIHTTPRequest *request = [[ASIHTTPRequest alloc] initWithURL:...
[request setCompletionBlock:^{
NSDictionary *jsonDictionary = [[CJSONDeserializer deserializer] deserialize:request.responseData error:nil];
r...
How to use getJSON, sending data with post method?
...textStatus contains the status: success, error, etc
}, "json");
In that call, dataToBeSent could be anything you want, although if are sending the contents of a an html form, you can use the serialize method to create the data for the POST from your form.
var dataToBeSent = $("form").serialize();...
What's the difference between globals(), locals(), and vars()?
... the same dict each time - it's attached to the stack frame object as its f_locals attribute. The dict's contents are updated on each locals() call and each f_locals attribute access, but only on such calls or attribute accesses. It does not automatically update when variables are assigned, and assi...