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Difference between single and double quotes in Bash
...mple examples.
Single quotes can be used around text to prevent the shell from interpreting any special characters. Dollar signs, spaces, ampersands, asterisks and other special characters are all ignored when enclosed within single quotes.
$ echo 'All sorts of things are ignored in single quotes...
Why is the default value of the string type null instead of an empty string?
...ccasion where this would be a problem is when the string is a return value from some function. Since string is a reference type and can technically have a value as null and empty both, therefore the function can also technically return a null or empty (there is nothing to stop it from doing so). Now...
How to wait until an element exists?
...ement is inserted or
* string "remove" to remove the listener from the given selector
* @param {bool} shouldRunHandlerOnce
* Optional: if true, handler is unbound after its first invocation
* @example jQuery(selector).waitUntilExists(function);
*/
$.fn.waitUntilExists =...
How to get and set the current web page scroll position?
... thanks, I found this: articles.sitepoint.com/article/javascript-from-scratch/6 and modified the getScrollingPosition() to store the values in hidden variables. Then in the html of the refreshed page I use <body onLoad="window.scrollTo(x,y), where x and y are those from the hidden value...
Input type=password, don't let browser remember the password
...iness analyst might decide he wants a password field and remove the choice from the developer.
– Sprague
Nov 16 '15 at 12:32
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Why can't static methods be abstract in Java?
... languages do support static inheritance, just like instance inheritance. From a syntax perspective, those languages usually require the class name to be included in the statement. For example, in Java, assuming you are writing code in ClassA, these are equivalent statements (if methodA() is a sta...
How to execute a stored procedure within C# program
I want to execute this stored procedure from a C# program.
13 Answers
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Why doesn't list have safe “get” method like dictionary?
...tem are O(1). It won't be quite as fast in raw terms as checking len, but from a complexity point of view they're all O(1). The right answer is the typical usage / semantics one...
– Mark Longair
Feb 26 '11 at 8:15
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How do shift operators work in Java? [duplicate]
...converting back to an int.) It's also useful for transforming an int value from signed (Java) to an unsigned equivalent (C/C++; Java doesn't have unsigned types, which is one of its shortcomings).
– Agi Hammerthief
Apr 16 '18 at 13:05
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How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?
...ption: Could not find acceptable representation Is there something missing from the answer?
– Jonik
Apr 27 '13 at 8:52
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