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Unable to resolve host “” No address associated with hostname
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Same for me! somehow Wifi and airplane mode can be selected so i only had to disable the airplane mode (i wasnt really connected to the internet-palmface)
– d1jhoni1b
Mar 18 '14 at 22:36
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Performance optimization strategies of last resort [closed]
...tors of floats. Changing the code to carry around the extra empty slot and converting the calculation to floating point from fixed point allowed for a slightly less-accurate but much faster result.
– RBerteig
May 30 '09 at 2:19
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You have already activated X, but your Gemfile requires Y
...e exec is to uninstall the newer versions of rake.
$ gem uninstall rake
Select gem to uninstall:
1. rake-0.8.7
2. rake-0.9.2
3. All versions
> 2
Successfully uninstalled rake-0.9.2
This works, but if you are working with multiple apps that use different versions of rake, this can be a pai...
Javascript array search and remove string?
...; // will return ['A', 'C']
The idea is basically to filter the array by selecting all elements different to the element you want to remove.
Note: will remove all occurrences.
EDIT:
If you want to remove only the first occurence:
t = ['A', 'B', 'C', 'B'];
t.splice(t.indexOf('B'), 1); // wil...
What are transparent comparators?
...ned, existing code may pass through objects directly which would have been converted without the member templates. The example use-case from n3657 is locating an object in a std::set<std::string> using a string literal: with the C++11 definition a std::string object is constructed when passing...
How to use XPath in Python?
...thFreeContext(). This is not very Pythonic.
If you are doing simple path selection, stick with ElementTree ( which is included in Python 2.5 ). If you need full spec compliance or raw speed and can cope with the distribution of native code, go with libxml2.
Sample of libxml2 XPath Use
import l...
How to export a mysql database using Command Prompt?
...ves error "mysqldump: Got error: 1049: Unknown database 'thepassword' when selecting the database" but worked when i delete "-p userpassword"
– Ateş Danış
Jul 7 '13 at 6:35
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jQuery UI dialog positioning
...I daresay this plugin is no longer maintained. Perhaps it would be wise to select another answer?
– JohnK
Jun 29 at 15:46
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Untrack files from git temporarily
...to remove ALL the files in the build folder or the bin folder, Rather than selecting each files separately.
You can use this command:
git rm -r -f /build\*
Make sure that you are in the parent directory of the build directory.
This command will, recursively "delete" all the files which are in the...
Can I “multiply” a string (in C#)?
... good answer to a C# question... I think most of us can see that language selection is always a compromise, and pretty much any answer to any question could be footnoted with advocacy, either for or against.
– Will Dean
Jun 2 '15 at 21:45
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