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printf with std::string?
...f what it expects definitely won't give you the results you want. It's actually undefined behaviour, so anything at all could happen.
The easiest way to fix this, since you're using C++, is printing it normally with std::cout, since std::string supports that through operator overloading:
std::cout...
node.js fs.readdir recursive directory search
... search using fs.readdir? I realise that we could introduce recursion and call the read directory function with the next directory to read, but am a little worried about it not being async...
...
What is the use for Task.FromResult in C#
In C# and TPL ( Task Parallel Library ), the Task class represents an ongoing work that produces a value of type T.
6 Ans...
Circular gradient in android
...olling, you're right that the android:gradientRadius="250" doesn't work at all, I guess it behaved differently on older Android versions.
– Justin
Apr 22 '15 at 14:58
add a co...
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?
...
Can I use git diff on untracked files?
...The upshot is that your "untracked" file now becomes a modification to add all the content to this zero-length file, and that shows up in the "git diff" output.
git diff
echo "this is a new file" > new.txt
git diff
git add -N new.txt
git diff
diff --git a/new.txt b/new.txt
index e69de29..3b2ae...
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...
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 ...
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...