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How to check if a file contains a specific string using Bash
...n't need the string displayed when it was found.
The grep command returns 0 or 1 in the exit code depending on
the result of search. 0 if something was found; 1 otherwise.
$ echo hello | grep hi ; echo $?
1
$ echo hello | grep he ; echo $?
hello
0
$ echo hello | grep -q he ; echo $?
0
You can sp...
Can I comment out a line in a .git/config file?
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ChrisChris
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Referencing another schema in Mongoose
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edited Aug 1 '13 at 19:04
Gorkem Yurtseven
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How do I get the “id” after INSERT into MySQL database with Python?
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edited Jun 18 '14 at 20:41
answered Mar 30 '10 at 20:37
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Why is reading lines from stdin much slower in C++ than Python?
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Putting a simple if-then-else statement on one line [duplicate]
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edited May 23 '17 at 12:10
Community♦
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answered May 10 '10 at 13:00
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Implement paging (skip / take) functionality with this query
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In SQL Server 2012 it is very very easy
SELECT col1, col2, ...
FROM ...
WHERE ...
ORDER BY -- this is a MUST there must be ORDER BY statement
-- the paging comes here
OFFSET 10 ROWS -- skip 10 rows
FETCH NEXT 10 ROWS ONLY; -...
what is the unsigned datatype?
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answered Jul 23 '09 at 13:46
Martin v. LöwisMartin v. Löwis
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Add more than one parameter in Twig path
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answered Apr 30 '12 at 10:55
Elnur AbdurrakhimovElnur Abdurrakhimov
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What are some uses of decltype(auto)?
...(auto).
template<int i>
struct Int {};
constexpr auto iter(Int<0>) -> Int<0>;
template<int i>
constexpr auto iter(Int<i>) -> decltype(auto)
{ return iter(Int<i-1>{}); }
int main() { decltype(iter(Int<10>{})) a; }
decltype(auto) is used here to ...