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如何编写一个独立的 PHP 扩展（译） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...her to enable foobar,
[ --enable-foobar Enable foobar])
if test "$PHP_FOOBAR" != "no"; then
PHP_NEW_EXTENSION(foobar, foo.c bar.c, $ext_shared)
fi
PHP_ARG_ENABLE 会自动设置好正确的变量以保证扩展能够被 PHP_NEW_EXTENSION 以共享模式启动。
PHP_NEW_EXT...
HTML5 LocalStorage: Checking if a key exists [duplicate]
...umerable: false
});
If the value isn't set, it returns null. You are testing to see if it is undefined. Check to see if it is null instead.
if(localStorage.getItem("username") === null){
share
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How to insert a new line in Linux shell script? [duplicate]
...
Use this echo statement
echo -e "Hai\nHello\nTesting\n"
The output is
Hai
Hello
Testing
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...
What is the difference between user and kernel modes in operating systems?
...c 0
msg:
.ascii "hello syscall v8\n"
len = . - msg
GitHub upstream.
Test it out with QEMU on Ubuntu 16.04:
sudo apt-get install qemu-user gcc-arm-linux-gnueabihf
arm-linux-gnueabihf-as -o hello.o hello.S
arm-linux-gnueabihf-ld -o hello hello.o
qemu-arm hello
Here is a concrete baremetal ex...
How do I get the computer name in .NET
...
I just tested this and found that Dns.GetHostName() didn't give the fully-qualified name.
– Sam
Jun 13 '13 at 4:33
...
How can I create a copy of an object in Python?
... @AaronHall Thanks for letting me know! This certainly isn't the greatest answer I wrote, but I kind of agree with the decision that it should not be forcibly deleted. I'll brush it up a bit, but since there are already answers with all the details (notably yours), I'll keep it short.
...
C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
...l case. In particular, it's not a state which the state machine may end up testing for elsewhere. I believe that using any non-positive value would work just as well: -1 isn't used for this as it's logically incorrect, as -1 normally means "finished". I could argue that we're giving an extra meaning...
AngularJs: Reload page
...
window object is made available through $window service for easier testing and mocking, you can go with something like:
$scope.reloadPage = function(){$window.location.reload();}
And :
<a ng-click="reloadPage" class="navbar-brand" title="home" data-translate>PORTAL_NAME</a>...
Call a Javascript function every 5 seconds continuously [duplicate]
...
@Anantha: FYI, The code you had before your latest edit (after my edit) (setInterval(methodName,5000)), did not use eval. eval is only used in setInterval/setTimeout if the first parameter is passed as a string.
– Matt
Aug 25 '11 at...
Cannot delete directory with Directory.Delete(path, true)
...Task.Delay(millisecondsDelay);
}
}
return false;
}
Unit Tests
These tests show an example of how a locked file can cause the Directory.Delete to fail and how the TryDeleteDirectory method above fixes the problem.
[Fact]
public async Task TryDeleteDirectory_FileLocked_DirectoryNo...