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How to deal with a slow SecureRandom generator?
... Note that the Java Bug report says "Not a defect". In other words even though the default is /dev/urandom, Sun treats this as a magic string and uses /dev/random anyway, so you have to fake it out. When is a file: URL not a file: URL? Whenever Sun decides it's not :-(
...
How to find a min/max with Ruby
... Ruby is mainly for the programmer not for the computer. In Matz's words "I hope to see Ruby help every programmer in the world to be productive, and to enjoy programming, and to be happy. That is the primary purpose of Ruby language." That's from the Wikipedia page on Ruby.
...
How to prevent ajax requests to follow redirects using jQuery
...ction is the part of XMLHttpRequest specification (see here especially the words "... transparently follow the redirect ..."). The standard mention only that the user agent (the web browser) can prevent or notify of certain kinds of automatic redirections, but it's not a part of XMLHttpRequest. It's...
How to skip over an element in .map()?
...add and remove items (modify the
number of items) during a map. In other words, it allows you to map
many items to many items (by handling each input item separately),
rather than always one-to-one. In this sense, it works like the
opposite of filter. Simply return a 1-element array to keep ...
Simple way to find if two different lists contain exactly the same elements?
...1 and e2 are equal if
(e1==null ? e2==null :
e1.equals(e2)).) In other words, two
lists are defined to be equal if they
contain the same elements in the same
order. This definition ensures that
the equals method works properly
across different implementations of
the List interface.
...
Volatile vs Static in Java
..., I've added and not static, feel free to edit the article and improve the wording to make that clearer.
– stivlo
Aug 25 '13 at 12:47
...
Overflow to left instead of right
... This property is not meant for alignment, and it will change the order of words inside as well. F.e. 14:00–15:00 will turn to 15:00–14:00 in Firefox.
– Andy
Mar 21 '16 at 14:58
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Find all elements on a page whose element ID contains a certain text using jQuery
...ents
});
If you want to select elements which name contains a given word, delimited by spaces
$("input[name~='DiscountType']").each(function (i, el) {
//It'll be an array of elements
});
If you want to select elements which id is equal to a given string or starting with ...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...rder bits and tagging with high order bits.
Imaging that your cache has 4 words and your matrix is 4 x 4. When a column is accessed and the row is any power of two in length, then each column element in memory will map to the same cache element.
A power-of-two-plus-one is actually about optimum f...
String to LocalDate
...ime, the class to use is DateTimeFormat, not DateTimeFormatter. In other words, call DateTimeFormat.ofPattern("yyyy-MM-dd").parseLocalDate(yourInput);
– Dan Haywood
Jul 12 '19 at 12:13
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