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Asynchronous Requests with Python requests
...ice idea to have left your comment : due to compatibility issues between latest requests and grequests (lack of max_retries option in requests 1.1.0) i had to downgrade requests to retrieve async and I have found that the asynchronous functionality was moved with versions 0.13+ (pypi.python.org/pypi...
Why doesn't Java support unsigned ints?
...tal to performance in a particular application. Not always, but you should test, not assume.
– Neil Coffey
May 9 '12 at 16:47
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How to get a vertical geom_vline to an x-axis of class date?
...vline(xintercept=as.numeric(mydata$datefield[120]), linetype=4)
A simple test example:
library("ggplot2")
tmp <- data.frame(x=rep(seq(as.Date(0, origin="1970-01-01"),
length=36, by="1 month"), 2),
y=rnorm(72),
category=gl(2,36))
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How to create war files
...y choice for quick and dirty web apps. writing an ant script just to get a test WAR out is just too much work.
– Renan
Apr 17 '12 at 1:19
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...f translating the integers 1 to 16384, i.e. Excel columns A to XFD, as the test).
– Graham
May 4 '11 at 19:06
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System.currentTimeMillis vs System.nanoTime
...FileTime, so I do not know where change comes from. Or if it's even valid. Test before using.
– user3458
Dec 16 '15 at 17:44
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Using PUT method in HTML form
... like this:
<input type="hidden" name="_METHOD" value="PUT"/>
To test your requests you can use "Postman" a google chrome extension
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How do you create optional arguments in php?
...l, because that can also be used when the values of $bar are boolean. The test then becomes if (is_null($bar)) or if ($bar === null).
– ToolmakerSteve
Aug 17 '16 at 13:48
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How do I append one string to another in Python?
...'s only in the cPython implementation as far as I know. The same empirical testing on pypy or jython for example might show the older O(n**2) performance .
$ pypy -m timeit -s"s=''" "for i in xrange(10):s+='a'"
10000 loops, best of 3: 90.8 usec per loop
$ pypy -m timeit -s"s=''" "for i in xrange(1...
ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
... I'd add 'in another session' to that. One common scenario is that you've tested the update in a tool, say SQL Developer or Toad, and have then tried to run it somewhere else while the first session still holds the lock. So you need to commit/rollback the other session before you can run the update...
