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What to add for the update portion in ConcurrentDictionary AddOrUpdate
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grep exclude multiple strings
...ts:
abc
ghi
Command using -v option with pipe between tokens surrounded by parens:
egrep -v '(def|jkl)' filename.txt
prints:
abc
ghi
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$(document).ready shorthand
...wn block so it doesn't cause conflicts. You typically see the pattern used by jQuery plugins to ensure that $ == jQuery.
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How do I write unencoded Json to my View using Razor?
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How to get the seconds since epoch from the time + date output of gmtime()?
...1, tm_isdst=0)
time.mktime(time.gmtime(0)) gives you a timestamp shifted by an amount that depends on your locale, which in general may not be 0.
In [64]: time.mktime(time.gmtime(0))
Out[64]: 18000.0
The inverse of time.gmtime is calendar.timegm:
In [62]: import calendar
In [65]: calendar...
How do I convert a Ruby class name to a underscore-delimited symbol?
...
first: gem install activesupport
require 'rubygems'
require 'active_support'
"FooBar".underscore.to_sym
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Store query result in a variable using in PL/pgSQL
...moved my code example and suggest to use IF EXISTS() instead like provided by @Pavel.
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What is an SDL renderer?
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Cannot lower case button text in android studio
...="false" to the button.
The button text might be transformed to uppercase by your app's theme that applies to all buttons. Check themes / styles files for setting the attribute android:textAllCaps.
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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...ng about this is that using a synchronized method will cause the generated bytecode to have 1 less instruction, since methods have a synchronized bit baked into their signature. Since the length of the bytecode is a factor in whether a method gets in-lined, moving the block to the method signature c...