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JavaScript: How to find out if the user browser is Chrome?
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@vishalsharma, the !! converts the value to be either true or false. typeof(window.chrome) gives "object", whereas typeof(!!window.chrome) gives "boolean". Your code sample also works too because the if statement does the conversion.
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DbArithmeticExpression arguments must have a numeric common type
...ps = context.Sleeps.AsEnumerable().Where(....
Adding AsEnumerable() will convert the SQL query to entity and allows to run .Net functions on them. For more info, check here about AsEnumerable
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Android Writing Logs to text File
I'm Trying to Write Logs to Custom Log.txt File on Android File using this code of Mine but then this method creates file but contains nothing. Basically I want to read previous contents of the file and then append my data with the existing content.
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Interface naming in Java [closed]
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later on you decide, well, there is a need for an interface here, so you convert your class to an interface.
then it becomes obvious: your original class was called User. your interface is now called User. maybe you have a UserProdImpl and a UserTestImpl. if you designed your application well, ev...
Change string color with NSAttributedString?
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I don't understand all of the down votes. My answer is much simpler than using an attributed string. The OP has no need to use NSAttributedString for this task. It would be one thing if the label's text needed multiple attributes but it doe...
Trying to embed newline in a variable in bash [duplicate]
... This doesn't actually embed newlines, it embeds \n, which the echo -e converts to newlines as it prints. Depending on your actual goal, this may or may not do the trick.
– Gordon Davisson
Feb 4 '12 at 17:52
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Choose between ExecutorService's submit and ExecutorService's execute
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There is a difference concerning exception/error handling.
A task queued with execute() that generates some Throwable will cause the UncaughtExceptionHandler for the Thread running the task to be invoked. The default UncaughtExceptionHandler, which typically prints the Thro...
Compare dates in MySQL
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That is SQL Server syntax for converting a date to a string. In MySQL you can use the DATE function to extract the date from a datetime:
SELECT *
FROM players
WHERE DATE(us_reg_date) BETWEEN '2000-07-05' AND '2011-11-10'
But if you want to take advanta...
Internal Error 500 Apache, but nothing in the logs?
...in windows and then upload it to the server without the line endings being converted you will get this error.
in perl if you forget
print "content-type: text/html\r\n\r\n";
you will get this error
There are many reasons for it. so please first check your error log and then provide some more in...
Cordova: start specific iOS emulator image
... '--stdout', logPath,
'--exit'];
return spawn('ios-sim', simArgs);
}
convert iPhone-4s, 7.1 to valid argument com.apple.CoreSimulator.SimDeviceType.iPhone-4s, 7.1 for ios-sim.
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