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Why can't decimal numbers be represented exactly in binary?
... factors other than 2 or 5 will not have a terminating representation.
So now going back to bases 10 and 2, we see that any rational with a terminating 10-representation will be of the form p/q exactly when q has only 2s and 5s in its prime factorisation; and that same number will have a terminatin...
How many threads is too many?
...ronment for tuning. It's okay to get an estimate beforehand but you never know what production will throw your way (which is why all these things should be configurable at runtime). This is to catch a situation such as unexpected doubling of the client calls coming in.
...
Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
...
The API docs now describe this behaviour:
Ranges constructed using .. run from the beginning to the end inclusively. Those created using ... exclude the end value.
-- http://ruby-doc.org/core-2.1.3/Range.html
In other words:
2.1.3 :001 ...
How to use ADB to send touch events to device using sendevent command?
...own) at position 2f5, 69e in hex which is 757 and 1694 in decimal.
If you now want to generate the same event, you can use the input tap command at the same position:
adb shell input tap 757 1694
More info can be found at:
https://source.android.com/devices/input/touch-devices.html
http://sourc...
How can I create a unique constraint on my column (SQL Server 2008 R2)?
... PK__Customer__3213E83FCC4A1DFA (n/a) (n/a) (n/a) (n/a) id
---- now adding the unique constraint
ALTER TABLE Customer ADD CONSTRAINT U_Name UNIQUE(Name)
-- Commands completed successfully.
sp_help Customer
---> index
---index_name index_description index_keys
---PK__Customer__3...
Resolving LNK4098: defaultlib 'MSVCRT' conflicts with
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Ignore the warning, after all it is only a warning. However, your program now contains multiple instances of the same functions.
Use the linker option /NODEFAULTLIB:lib. This is not a complete solution, even if you can get your program to link this way you are ignoring a warning sign: the code has...
What does the slash mean in help() output?
...s are mapped to parameters based solely on their position.
The syntax is now part of the Python language specification, as of version 3.8, see PEP 570 – Python Positional-Only Parameters. Before PEP 570, the syntax was already reserved for possible future inclusion in Python, see PEP 457 - Synta...
Rails render partial with block
...to because of another yield (don't have time to investigate that by-myself now, just wondering)
– equivalent8
Jul 9 '12 at 14:43
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SQL Client for Mac OS X that works with MS SQL Server [closed]
...ree is worthwhile, nor were most commercial non windows products
However, now (March 2010) I believe there are two serious contenders and worthwhile versions for the MAC and Linux which have a low cost associated with them. The first one is Aqua Data Studio which costs about $450 per user, which is...
Stylecop vs FXcop
...
At least for now, until it becomes more configurable. :)
– Andrew Rollings
Dec 10 '09 at 22:34
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