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What is the best open-source java charting library? (other than jfreechart) [closed]
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@pyinsci: some shops prevent servers from connecting to external internet servers (even if the servers are reachable from the internet) for security reasons.
– Joachim Sauer
May 17 '10 at 13:36
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Good tool to visualise database schema? [closed]
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I just got what I needed from sqlfairy. Simple and quick.
– fivedogit
May 21 '15 at 20:37
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How can I read a function's signature including default argument values?
...he signature of a callable object and its return annotation:
>>> from inspect import signature
>>> def foo(a, *, b:int, **kwargs):
... pass
>>> sig = signature(foo)
>>> str(sig)
'(a, *, b:int, **kwargs)'
>>> str(sig.parameters['b'])
'b:int'
>&...
How do I check if a string is a number (float)?
... times_n[f].append(min(timeit.Timer('%s(t)' %f,
'from __main__ import %s, t' %f)
.repeat(repeat=3, number=1000000)))
where the following functions were tested
from re import match as re_match
from re import compile as re_compile
def is_numb...
What do (lambda) function closures capture?
...estion: You could use partial in the functools module.
With importing add from operator as Chris Lutz proposed the example becomes:
from functools import partial
from operator import add # add(a, b) -- Same as a + b.
adders = [0,1,2,3]
for i in [0,1,2,3]:
# store callable object with first ...
Java: Difference between PrintStream and PrintWriter
...lt encoding is generally a bad thing since it can lead to bugs when moving from one platform to another, especially if you are generating the file on one platform and consuming it on another.
With a Writer, you typically specify the encoding to use, avoiding any platform dependencies.
Why bother h...
How to get image size (height & width) using JavaScript?
...n array of) images? Probably would need to combine it with the best answer from here: stackoverflow.com/questions/4288759/… ?
– Kozuch
Oct 9 '13 at 10:19
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Why is @autoreleasepool still needed with ARC?
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@andybons: updated; thanks. Is this a change from pre-ARC behavior?
– outis
Apr 19 '13 at 20:48
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How to obtain the start time and end time of a day?
...orks of Java (java.util.Date/Calendar and Joda-Time) both use milliseconds from the epoch. But in Java 8, the new JSR 310 java.time.* classes use nanoseconds resolution. Any code you wrote based on forcing the milliseconds count of last moment of day would be incorrect if switched to the new classes...
Where is virtualenvwrapper.sh after pip install?
...file:
find / -name virtualenvwrapper.sh
This will search all directories from the root for the file.
on ubuntu 12.04 LTS, installing through pip, it is installed to
/usr/local/bin/virtualenvwrapper.sh
on ubuntu 17.04, installing through pip as a normal user, it is installed to
~/.local/bin...