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What's the difference between isset() and array_key_exists()? [duplicate]
...lls if the expression (array) is defined, and the key is set
no warning or error if the var is not defined, not an array ...
but returns false if the value for that key is null
and array_key_exists
tells if a key exists in an array as the name implies
but gives a warning if the array parameter i...
Password masking console application
... to use SecureString instead of String, test for all control keys, and not error or write an extra "*" to the screen when the password length is 0, my solution is:
public static SecureString getPasswordFromConsole(String displayMessage) {
SecureString pass = new SecureString();
Console.Writ...
Angular IE Caching issue for $http
...omments
// because previous version of code introduced browser-related errors
//disable IE ajax request caching
$httpProvider.defaults.headers.get['If-Modified-Since'] = 'Mon, 26 Jul 1997 05:00:00 GMT';
// extra
$httpProvider.defaults.headers.get['Cache-Control'] = 'no-cache';
...
Stop setInterval call in JavaScript
...ss" I would have edited it, but the change is less than 6 letter, and the error is confusing.
– Leif Neland
Jul 24 '14 at 12:13
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Asynchronous method call in Python?
...sted. It introduces the Deferred object, which you can attach callbacks or error handlers ("errbacks") to. A Deferred is basically a "promise" that a function will have a result eventually.
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Openssl is not recognized as an internal or external command
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Getting error " Both context and applicationId must be non-null", when used above code. @SagarChavada
– Yesha Shah
Nov 3 '18 at 7:11
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How to read multiple text files into a single RDD?
...- Spark_Full += sc.textFile(filename).keyBy(lambda x: filename) I got the error i.e. TypeError: 'PipelinedRDD' object is not iterable. My understanding is that, that line creates an RDD which is immutable, so I was wondering how you were able to append it to another variable?
–...
How to check if click event is already bound - JQuery
...for <a>? Because when i try it says on jQuery._data() the following error TypeError: a is undefined
– Houman
Sep 6 '12 at 11:37
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Localization and internationalization, what's the difference?
...tionalization - it is when developer does not have in code direct messages/error messages/buttons names/labels captions/etc in certain language but have a key which is passed to translation function,
and translation function according to current user's locale will return final text in english/franc...
How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
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For those who are getting ERROR: rvm update has been removed. — rvm get latest / rvm get head are the correct ways to upgrade rvm now.
– jibiel
Oct 25 '11 at 8:25
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