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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
...tp://msdn.microsoft.com/en-us/library/system.collections.ienumerable.aspx) for a list of objects that only needs to be iterated through, ICollection<> (MSDN: http://msdn.microsoft.com/en-us/library/92t2ye13.aspx) for a list of objects that needs to be iterated through and modified, List<>...
Regex doesn't work in String.matches()
...Java's misnamed .matches() method... It tries and matches ALL the input. Unfortunately, other languages have followed suit :(
If you want to see if the regex matches an input text, use a Pattern, a Matcher and the .find() method of the matcher:
Pattern p = Pattern.compile("[a-z]");
Matcher m = p.m...
How to write a UTF-8 file with Java?
...rrent code and the problem is its creating a 1252 codepage file, i want to force it to create a UTF-8 file
9 Answers
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What is an unsigned char?
In C/C++, what an unsigned char is used for? How is it different from a regular char ?
17 Answers
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ImportError: no module named win32api
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This is resolve my case as found on
Where to find the win32api module for Python?
pip install pypiwin32
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postgresql - replace all instances of a string within text field
...postgresql's replace function:
replace(string text, from text, to text)
for instance :
UPDATE <table> SET <field> = replace(<field>, 'cat', 'dog')
Be aware, though, that this will be a string-to-string replacement, so 'category' will become 'dogegory'. the regexp_replace func...
Get time difference between two dates in seconds
...e using typescript.
The explanation
You need to call the getTime() method for the Date objects, and then simply subtract them and divide by 1000 (since it's originally in milliseconds). As an extra, when you're calling the getDate() method, you're in fact getting the day of the month as an integer ...
Advantages to Using Private Static Methods
...plication, that don't require the use of any instance fields, are there performance or memory advantages to declaring the method as static?
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What type of hash does WordPress use?
...dPress and Drupal.
They used to use MD5 in the older versions, but sadly for me, no more. You can generate hashes using this encryption scheme at http://scriptserver.mainframe8.com/wordpress_password_hasher.php.
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Why does parseInt yield NaN with Array#map?
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console.log(a);
Without the new operator, Number can be used to perform type conversion. However, it differs from parseInt: it doesn't parse the string and returns NaN if the number cannot be converted. For instance:
console.log(parseInt("19asdf"));
console.log(Number("19asf"));
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