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How to detect the screen resolution with JavaScript?
...with the device pixel ratio: window.screen.width * window.devicePixelRatio and window.screen.height * window.devicePixelRatio. This will also work on desktops, which will have a ratio of 1.
And from Ben in another answer:
In vanilla JavaScript, this will give you the AVAILABLE width/height:
window...
Change File Extension Using C#
... I am not moving a file, i get file path from broswer like c:\..\..\a.jpg, and the file format on physical path is a.Jpeg, so when i try to delete it, it gives me error cannot find the file on specified path. so i am thinking it has some to do with the file extension is not matching. so i am trying ...
What does .class mean in Java?
...
And how does Android handle new Intent(this, Activity.class? Will it try to find out class Activity by comparing each class?
– Zhipeng YANG
Sep 21 '16 at 13:28
...
How to save and load cookies using Python + Selenium WebDriver
...ogle.com")
pickle.dump( driver.get_cookies() , open("cookies.pkl","wb"))
and later to add them back:
import pickle
import selenium.webdriver
driver = selenium.webdriver.Firefox()
driver.get("http://www.google.com")
cookies = pickle.load(open("cookies.pkl", "rb"))
for cookie in cookies:
driv...
How to detect if CMD is running as Administrator/has elevated privileges?
...this excellent answer instead.
Found this solution here: http://www.robvanderwoude.com/clevertricks.php
AT > NUL
IF %ERRORLEVEL% EQU 0 (
ECHO you are Administrator
) ELSE (
ECHO you are NOT Administrator. Exiting...
PING 127.0.0.1 > NUL 2>&1
EXIT /B 1
)
Assuming th...
setting multiple column using one update
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
Is it possible to have a multi-line comments in R? [duplicate]
...
You can, if you want, use standalone strings for multi-line comments — I've always thought that prettier than if (FALSE) { } blocks. The string will get evaluated and then discarded, so as long as it's not the last line in a function nothing will happ...
Using Java to find substring of a bigger string using Regular Expression
..."\\[(.*?)\\]");
This will give you a pattern that will match your string and put the text within the square brackets in the first group. Have a look at the Pattern API Documentation for more information.
To extract the string, you could use something like the following:
Matcher m = MY_PATTERN.m...
method overloading vs optional parameter in C# 4.0 [duplicate]
...DoFoo(c:"Hello There, John Doe")
This call takes parameter a value as 10 and parameter b as 23.
Another variant of this call - notice you don't need to set the parameter values in the order as they appear in the method signature, the named parameter makes the value explicit.
DoFoo(c:"hello again...
GCM with PHP (Google Cloud Messaging)
...tiple registration IDs via PHP CURL.
// Payload data you want to send to Android device(s)
// (it will be accessible via intent extras)
$data = array('message' => 'Hello World!');
// The recipient registration tokens for this notification
// https://developer.android.com/google/gcm/
$i...