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Android emulator shows nothing except black screen and adb devices shows “device offline”
...n emulator comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or the android logo. Just a black screen. And while initially "adb devices" shows the emulator as offline.after 2-3 minutes the list of attached devices ...
What's the most efficient way to test two integer ranges for overlap?
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answered Jul 16 '10 at 23:21
Simon NickersonSimon Nickerson
37.6k1818 gold badges9393 silver badges124124 bronze badges
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Closing multiple issues in Github with a commit message
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Closes #1, closes #2, closes #3; rest of commit message.
The closes clauses can be anywhere in the message and fixes is a valid synonym:
This fixes a memory leak in foo() that closes #4,
also fixes #5 which is a duplicate.
The following used to work...
How to find a hash key containing a matching value
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answered Sep 25 '10 at 13:43
Daniel VandersluisDaniel Vandersluis
79.6k1717 gold badges153153 silver badges149149 bronze badges
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How to do a batch insert in MySQL
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304
From the MySQL manual
INSERT statements that use VALUES
syntax can insert multiple rows....
Append integer to beginning of list in Python [duplicate]
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833
>>>var=7
>>>array = [1,2,3,4,5,6]
>>>array.insert(0,var)
>>>...
str performance in python
While profiling a piece of python code ( python 2.6 up to 3.2 ), I discovered that the
str method to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
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How can I convert this foreach code to Parallel.ForEach?
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edited Jul 26 '13 at 9:06
Contango
61.6k5252 gold badges216216 silver badges263263 bronze badges
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How to convert a table to a data frame
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324
I figured it out already:
as.data.frame.matrix(mytable)
does what I need -- apparently, th...
Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
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Applies to Bootstrap 3 only.
Ignoring the letters (xs, sm, md, lg) for now, I'll start with just the numbers...
the numbers (1-12) represent a portion of the total width of any div
all divs are divided into 12 columns
so, col-*-6 spans 6 of 12...