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Is the ternary operator faster than an “if” condition in Java [duplicate]
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106
Does it matter which I use?
Yes! The second is vastly more readable. You are trading one l...
Why is it impossible to build a compiler that can determine if a C++ function will change the value
...possible function.
Here's an easy example:
void foo() {
if (bar() == 0) this->a = 1;
}
How can a compiler determine, just from looking at that code, whether foo will ever change a? Whether it does or doesn't depends on conditions external to the function, namely the implementation of bar....
How to use protractor to check if an element is visible?
...lectors + pseudo-selectors
More info at https://stackoverflow.com/a/13388700/511069
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How to generate a git patch for a specific commit?
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How to convert string to char array in C++?
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Simplest way I can think of doing it is:
string temp = "cat";
char tab2[1024];
strcpy(tab2, temp.c_str());
For safety, you might prefer:
string temp = "cat";
char tab2[1024];
strncpy(tab2, temp.c_str(), sizeof(tab2));
tab2[sizeof(tab2) - 1] = 0;
or could be in this fashion:
string temp = "ca...
Controlling fps with requestAnimationFrame?
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jQuery table sort
... if( $.text([a]) == $.text([b]) )
return 0;
return $.text([a]) > $.text([b]) ?
inverse ? -1 : 1
: inverse ? 1 : -1;
}, function(){
// parentNode is the element we want to move
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Check if event exists on element [duplicate]
...body').click(function(){ alert('test' )})
var foo = $.data( $('body').get(0), 'events' ).click
// you can query $.data( object, 'events' ) and get an object back, then see what events are attached to it.
$.each( foo, function(i,o) {
alert(i) // guid of the event
alert(o) // the function de...
CentOS搭建sock5代理服务器(XEN VPS ) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...编译安装ss5(socks5)
wget http://www.linuxso.com/uploads/soft/101018/ss5-3.6.1-1.tar.gz
tar zxvf ss5-3.6.1-1.tar.gz
cd ss5-3.6.1
./configure
make
make install
#启动ss5服务
/etc/init.d/ss5 start
添加ss5到服务中,并随机启动
chkconfig --add ss5
chkconfig ss5 on
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Can Selenium interact with an existing browser session?
...me working code which claims to support this: https://web.archive.org/web/20171214043703/http://tarunlalwani.com/post/reusing-existing-browser-session-selenium-java/.
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