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Why can Java Collections not directly store Primitives types?
...efficient access would require keeping both arrays sorted based on the key order to allow binary searching, which in turn would make insertion and deletion inefficient unless the insertion/deletion is patterned such that inserted items are likely to end up where a previously deleted item was and/or ...
Regular expression for floating point numbers
... and '-.' are invalid
'.1e3' is valid, but '.e3' and 'e3' are invalid
In order to support both '1.' and '.1' we need an OR operator ('|') in order to make sure we exclude '.' from matching.
[+-]? +/- sing is optional since ? means 0 or 1 matches
( since we have 2 sub expressions we need to put t...
Deserialize JSON with C#
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An explanation would be in order.
– Peter Mortensen
Nov 25 '19 at 11:20
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Java Ordered Map
...ts like a Map for storing and accessing key/value pairs, but can return an ordered list of keys and an ordered list of values, such that the key and value lists are in the same order?
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How to convert a normal Git repository to a bare one?
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That rm command may need * \.[!.]* rather than * in order to remove dot-files and dot-directories.
– minopret
Aug 27 '12 at 18:25
6
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JavaScript before leaving the page
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In order to have a popop with Chrome 14+, you need to do the following :
jQuery(window).bind('beforeunload', function(){
return 'my text';
});
The user will be asked if he want to stay or leave.
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Can regular expressions be used to match nested patterns? [duplicate]
... theory is concerned. In practice many implementations have some trick in order to allow you to perform recursive "regular expressions". E.g. see the chapter "Recursive patterns" in php.net/manual/en/regexp.reference.php
– daremon
Sep 25 '08 at 15:26
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How to change identity column values programmatically?
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DBCC CHECKIDENT ( ‘databasename.dbo.orders’,RESEED, 999)
you can change any identity column number with this command,and also you can start that field number from every number you want.for example in my command i ask to start from 1000 (999+1)
hope that it wo...
One line ftp server in python
...assuming your Python distribution would have some third-party libraries in order to achieve the "one liner python ftpd" goal, but that is not the case of what @zio was asking. Also, SimpleHTTPServer involves web broswer for downloading files, it's not quick enough.
Python can't do ftpd by itself,...
What's the difference between an inverted index and a plain old index?
...at everyone needs to agree which one is "left" and which one is "right" in order for the words to have meaning. If, as a culture, we decided to flip left and right, then you'd have the same issue figuring out what a "right turn" vs a "left turn" is since the agreed upon meaning had changed. However,...