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Scala downwards or decreasing for loop?
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230
scala> 10 to 1 by -1
res1: scala.collection.immutable.Range = Range(10, 9, 8, 7, 6, 5, 4, 3...
Why does Java switch on contiguous ints appear to run faster with added cases?
... exponent s. One fast way (edit: but not the fastest possible, see Update 2 below) to get the multiplied value is to switch on the exponent :
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How do you create different variable names while in a loop? [duplicate]
...;>> d["string5"]
'Hello'
>>> d
{'string1': 'Hello',
'string2': 'Hello',
'string3': 'Hello',
'string4': 'Hello',
'string5': 'Hello',
'string6': 'Hello',
'string7': 'Hello',
'string8': 'Hello',
'string9': 'Hello'}
I said this somewhat tongue in check, but really the best way t...
PowerShell: Setting an environment variable for a single command only
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edited Nov 28 '18 at 3:00
answered Sep 14 '09 at 14:56
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Rails: Logging the entire stack trace of an exception
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2 Answers
2
Active
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How to limit the amount of concurrent async I/O operations?
...t the concurrent amount of these async http requests? So that no more than 20 web pages are downloaded at any given time. How to do it in the most efficient manner?
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What does the Java assert keyword do, and when should it be used?
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432
Assertions (by way of the assert keyword) were added in Java 1.4. They are used to verify the c...
Check to see if python script is running
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rightfold
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answered Apr 25 '09 at 17:37
Dan UdeyDan Ud...
How can I get a view's current width and height when using autolayout constraints?
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247
The answer is [view layoutIfNeeded].
Here's why:
You still get the view's current width and...
Start thread with member function
...The syntax described above is defined in terms of the INVOKE definition (§20.8.2.1):
Define INVOKE (f, t1, t2, ..., tN) as follows:
(t1.*f)(t2, ..., tN) when f is a pointer to a member function of a class T and t1 is an object of type T or a reference to an object of
type T or a refe...