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What is the difference between ~> and >= when specifying rubygem in Gemfile?
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That's a pessimistic version constraint. RubyGems will increment the last digit in the version...
There can be only one auto column
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121
My MySQL says "Incorrect table definition; there can be only one auto column and it must be de...
Make HTML5 video poster be same size as video itself
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javascript toISOString() ignores timezone offset [duplicate]
...r localISOTime = (new Date(Date.now() - tzoffset)).toISOString().slice(0, -1);
// => '2015-01-26T06:40:36.181'
The slice(0, -1) gets rid of the trailing Z which represents Zulu timezone and can be replaced by your own.
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C# vs Java Enum (for those new to C#)
..., but at first glance, C#'s enums seem to be more simplistic than the Java 1.5+ implementation. Can anyone enumerate the differences between C# and Java enums, and how to overcome the differences? (I don't want to start a language flame war, I just want to know how to do some things in C# that I u...
Assign width to half available screen width declaratively
... android:layout_height="wrap_content"
android:layout_weight="1"
android:text="somebutton"/>
<TextView android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"/>
</LinearLayout>
I'm assuming you w...
CSS Box Shadow - Top and Bottom Only [duplicate]
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As Kristian has pointed out, good control over z-values will often solve your problems.
If tha...
dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
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bash HISTSIZE vs. HISTFILESIZE?
...st: in memory.
Long answer:
All the info above + some examples:
Example 1:
HISTFILESIZE=10 and HISTSIZE=10
You start your session.
Your HISTFILE (file that stores your bash command history), is truncated to contain HISTFILESIZE=10 lines.
You write 50 lines.
At the end of your 50 commands, onl...
How to find index of all occurrences of element in array?
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15 Answers
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