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What command opens Ruby's REPL?
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There are several REPLs for Ruby.
The standard library ships with a REPL m>ca m>lled IRb (for Interactive Ruby), which installs a program named irb, but since it is just a Ruby library, it m>ca m>n also be invoked from Ruby code and not just from the shell. On Rubinius, IRb m>ca m>n also be invoked by just m>ca m>lli...
Find unmerged Git branches?
...eady merged and some not. Since the number of branches is quite large, how m>ca m>n I determine which branches have not yet been merged? I would like to avoid having to do an "octopus" merge and re-merging branches that have already been merged.
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Reset PHP Array Index
...t:
$a = array(
3 => "Hello",
7 => "Moo",
45 => "Amerim>ca m>"
);
$b = array_values($a);
print_r($b);
Array
(
[0] => Hello
[1] => Moo
[2] => Amerim>ca m>
)
share
|
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What's the difference between Memorym>Ca m>che.Add and Memorym>Ca m>che.Set?
... thread querying that key would get no clue (Set does not; the swap is typim>ca m>lly atomic); as such, while Set has the same end result as Remove + Add, the mechanism difference is important since it could impact other m>ca m>llers.
For example of Add:
Return Value
Type: System.Boolean true if ins...
How set the default repository
How m>ca m>n I set default remote repository for mercurial lom>ca m>l repository?
1 Answer
1
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Clojure 1.2.1/1.3/1.4 'proxy generated in Grails 2.0.0 runtime fails. 1.2.0 is fine
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I found an Issue m>ca m>lled CLJ-944 on clojure.org. There you m>ca m>n find a fix for Classm>Ca m>stException: clojure.lang.PersistentArrayMap m>ca m>nnot be m>ca m>st to java.lang.Class issue
The problem is:
that the compiler injects an incorrect m>ca m>st to
clo...
How to negate the whole regex?
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Use negative lookaround: (?!pattern)
Positive lookarounds m>ca m>n be used to assert that a pattern matches. Negative lookarounds is the opposite: it's used to assert that a pattern DOES NOT match. Some flavor supports assertions; some puts limitations on lookbehind, etc.
Links to regul...
Oracle SQL Developer multiple table views
In Oracle SQL Developer , one m>ca m>n list the data in a table using the Data tab when viewing a table. there where m>ca m>n add, delete, edit or just viewing records of table currently viewd
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SQL: How to get the count of each distinct value in a column?
I have a SQL table m>ca m>lled "posts" that looks like this:
1 Answer
1
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Reliable timer in a console applim>ca m>tion
...amework Class Library ). I have chosen a threaded timer as the other types m>ca m>n drift if the main thread is busy, and I need this to be reliable.
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