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Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED
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piggybackpiggyback
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What's the best way to get the last element of an array without deleting it?
... on line 1
N4 = Notice: Undefined index: in Command line code on line 1
Based on this output I draw the following conclusions:
newer versions of PHP perform better with the exception of these options that became significantly slower:
option .6. $x = end((array_values($array)));
option .8. $ke...
Where does PostgreSQL store the database?
Where are the files for a PostgreSQL database stored?
13 Answers
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Formula px to dp, dp to px android
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Note: The widely used solution above is based on displayMetrics.density. However, the docs explain that this value is a rounded value, used with the screen 'buckets'. Eg. on my Nexus 10 it returns 2, where the real value would be 298dpi (real) / 160dpi (default) =...
How to get ASCII value of string in C#
...wered Dec 30 '08 at 16:28
LeppyR64LeppyR64
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STL or Qt containers?
...tandardized, doesn't change with every Qt version (Qt 2 had QList (pointer-based) and QValueList (value-based); Qt 3 had QPtrList and QValueList; Qt 4 now has QList, and it's nothing at all like QPtrList or QValueList).
Even if you end up using the Qt containers, use the STL-compatible API subset (i...
How to reverse-i-search back and forth? [duplicate]
... '16 at 10:42
BringBackCommodore64BringBackCommodore64
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Check if element exists in jQuery [duplicate]
...') , however when using jQuery, you do need to put hash to target elements based on id just like CSS.
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Vagrant stuck connection timeout retrying
...or: VT-x/AMD-V hardware acceleration is not available on your system. Your 64-bit quest will fail to detect a 64-bit CPU and will not be able to boot
– SKuijers
Jan 9 '15 at 11:34
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Setting JDK in Eclipse
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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