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Using two values for one switch case statement
...tic void main(String[] args) {
int month = 2;
int year = 2000;
int numDays = 0;
switch (month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
numDays = 3...
Java: Class.this
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edited Jul 25 at 14:40
Rarblack
3,81944 gold badges1515 silver badges3030 bronze badges
answered Ap...
What's the difference between `1L` and `1`?
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130
So, @James and @Brian explained what 3L means. But why would you use it?
Most of the time it ma...
How long is the SHA256 hash?
...;
Will give you :
$ php temp.php
string(64) "68e656b251e67e8358bef8483ab0d51c6619f3e7a1a9f0e75838d41ff368f728"
i.e. a string with 64 characters.
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How do I fetch lines before/after the grep result in bash?
... use the -B and -A to print lines before and after the match.
grep -i -B 10 'error' data
Will print the 10 lines before the match, including the matching line itself.
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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
...(because there are no move constructors or move assignment operators in C++03, this simplifies to "always" in C++03) (§12.8/8).
The copy assignment operator is auto-generated if there is no user-declared move constructor or move assignment operator (§12.8/19).
The destructor is auto-generated if t...
Transactions in .net
What are the best practices to do transactions in C# .Net 2.0. What are the classes that should be used? What are the pitfalls to look out for etc. All that commit and rollback stuff. I'm just starting a project where I might need to do some transactions while inserting data into the DB. Any respons...
How to round an average to 2 decimal places in PostgreSQL?
...For example:
regress=> SELECT to_char(float8 '3.1415927', 'FM999999999.00');
to_char
---------------
3.14
(1 row)
to_char will round numbers for you as part of formatting. The FM prefix tells to_char that you don't want any padding with leading spaces.
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Rails: how do I validate that something is a boolean?
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Luca Spiller
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answered Jan 18 '11 at 7:38
Drew Dara-AbramsDre...
Git diff between current branch and master but not including unmerged master commits
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edited May 23 '17 at 12:03
Community♦
111 silver badge
answered Dec 27 '13 at 23:35
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