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In Scala, what exactly does 'val a: A = _' (underscore) mean?
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144
val a: A = _ is a compile error. For example:
scala> val a: String = _
<console>:1: e...
Regex - Does not contain certain Characters
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446
^[^<>]+$
The caret in the character class ([^) means match anything but, so this means...
@media media query and ASP.NET MVC razor syntax clash
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488
use double @@ symbols. That will escape @ symbol and render @media correctly on client side
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Setting up a git remote origin
...pt examples.
– Jay
Aug 31 '11 at 15:43
14
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Small Haskell program compiled with GHC into huge binary
...'s see what's going on, try
$ du -hs A
13M A
$ file A
A: ELF 64-bit LSB executable, x86-64, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.27, not stripped
$ ldd A
linux-vdso.so.1 => (0x00007fff1b9ff000)
libXrandr.so.2 => /usr/lib/libX...
UIButton remove all target-actions
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answered Jul 27 '10 at 4:56
progrmrprogrmr
69.8k1515 gold badges106106 silver badges147147 bronze badges
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KeyValuePair VS DictionaryEntry
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edited Jul 31 '13 at 6:45
answered May 25 '09 at 5:46
cd...
Pandas timeseries plot setting x-axis major and minor ticks and labels
...\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7...
Why did Rails4 drop support for “assets” group in the Gemfile
... existed to avoid unintended compilation-on-demand in production. As Rails 4 doesn't behave like that anymore, it made sense to remove the asset group.
This is explained in more detail in the commit that changed that. I extracted some quotes with the actual answer.
Some gems can be needed (in produ...
VB.NET - How to move to next item a For Each Loop?
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edited Sep 4 '12 at 15:23
answered May 6 '09 at 13:56
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