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TCP: can two different sockets share a port?
... @OndraPeterka: yes, but not all platforms restrict on that. For instance, Windows happily allows separate IPv4 and IPv6 server sockets to listen on the same local IP:Port without jumping through hoops, but *Nix systems (including Linux and Android) do not.
– Remy Lebeau
...
Can scrapy be used to scrape dynamic content from websites that are using AJAX?
... driver.get(request.url)
# ghostdriver won't response when switch window until page is loaded
dfd = threads.deferToThread(lambda: driver.switch_to.window(driver.current_window_handle))
dfd.addCallback(self._response, driver, spider)
return dfd
def _response(self...
What does @media screen and (max-width: 1024px) mean in CSS?
...n, rather than printing it.
max-width: 1024px — the width of the browser window (including the scroll bar) is 1024 pixels or less. (CSS pixels, not device pixels.)
That second test suggests this is intended to limit the CSS to the iPad, iPhone, and similar devices (because some older browsers do...
Can I get a list of files marked --assume-unchanged?
...
In the Windows prompt, use grep "^h" instead of single quotes
– beautifulcoder
Sep 29 '15 at 12:00
add a co...
Is there a way to get the source code from an APK file?
...want to decode
Download the latest version of apktool AND apktool install window (both can be downloaded from the same link) and place them in the same folder
Open a command window
Now run command like apktool if framework-res.apk (if you don't have it get it here)and next
apktool d myApp.apk (...
How to revert (Roll Back) a checkin in TFS 2010
...plorer and when you are opening a changeset's details in the Team Explorer Window. You do not need to install any release of the Power Tools for this functionality when using Visual Studio 2012 or later. There is a great MSDN article discussing details about rolling back a changeset now available ...
How to prevent sticky hover effects for buttons on touch devices
... isn't deemed to support touch input.
var isTouch = !!("ontouchstart" in window) || window.navigator.msMaxTouchPoints > 0;
if( !isTouch ){
// add class which defines hover behavior
}
Granted, you lose hover on devices which may support it. However, sometimes hover impacts more than the l...
How do I remove a file from the FileList
...ith = function(node)
{
this.parentNode.replaceChild(node, this);
};
if(window.File && window.FileList)
{
var topicForm = document.getElementById("yourForm");
topicForm.fileZone = document.getElementById("fileDropZoneElement");
topicForm.fileZone.files = new Array();
topic...
Change Author template in Android Studio
...ange the username is to change the name
of the current user logged in into Windows. (if you're using windows)
Android Studio uses the name saved in %USERNAME% variable.
This is the name you get if you type whoami into a command console
or batch file. And it is the name that is stored under C(orWhat...
How can I check if a key is pressed during the click event with jQuery?
...ck the key status using keydown() and keyup():
var ctrlPressed = false;
$(window).keydown(function(evt) {
if (evt.which == 17) { // ctrl
ctrlPressed = true;
}
}).keyup(function(evt) {
if (evt.which == 17) { // ctrl
ctrlPressed = false;
}
});
See the list of key codes. Now you can ...