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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
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124
Use Ctrl+V, Ctrl+M to enter a literal Carriage Return character into your grep string. So:
grep ...
Reading a plain text file in Java
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Neuron
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answered Jan 17 '11 at 18:31
Aravind YarramAravi...
Permission denied for relation
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403
GRANT on the database is not what you need. Grant on the tables directly.
Granting privilege...
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
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answered Feb 14 '13 at 13:23
Manan SharmaManan Sharma
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Regular expressions in an Objective-C Cocoa application
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141
I noticed that as of iOS 4.0 Apple provides a NSRegularExpression class. Additionally, as of 10...
Where can I get a list of Ansible pre-defined variables?
...ks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me?
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What's the safest way to iterate through the keys of a Perl hash?
...ng the expected resulting hash:
(a => 1, A => 2, b => 2, B => 4)
But using each() to do the same thing:
%h = (a => 1, b => 2);
keys %h;
while(my($k, $v) = each %h)
{
$h{uc $k} = $h{$k} * 2; # BAD IDEA!
}
produces incorrect results in hard-to-predict ways. For example:
(a...
Java Garbage Collection Log messages
...ion. For example, here is output from a large server application:
[GC 325407K->83000K(776768K), 0.2300771 secs]
[GC 325816K->83372K(776768K), 0.2454258 secs]
[Full GC 267628K->83769K(776768K), 1.8479984 secs]
Here we see two minor collections followed by one major collection. The nu...
CSS table layout: why does table-row not accept a margin?
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answered Jan 2 '10 at 23:42
richardtallentrichardtallent
31.4k1313 gold badges7575 silver badges111111 bronze badges
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Reading Properties file in Java
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Jesper
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answered Nov 27 '11 at 12:44
Mark ElliotMark...