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.NET - Dictionary locking vs. ConcurrentDictionary
...ople don't act responsibly. For instance, let's say a customer takes a can from a pyramid-can while a clerk is currently building the pyramid, all hell would break loose. Or, what if two customers reaches for the same item at the same time, who wins? Will there be a fight? This is a non-threadsafe-c...
What does AngularJS do better than jQuery? [closed]
...ngular.
THANK GOODNESS. The aforementioned jQuery spaghetti code resulted from a dev that made something "work" and then moved on. You can write bad Angular code, but it's much more difficult to do so, because Angular will fight you about it. This means that you have to take advantage (at least som...
Clear android application user data
...lear our own application cache data, i need to clear another app user data from our application
– UdayaLakmal
Jun 7 '12 at 15:10
2
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Unittest setUp/tearDown for several tests
...sult)
type(self).runCount += 1
With this trick, when you inherit from this TestCase (instead of from the original unittest.TestCase), you'll also inherit the runCount of 0. Then in the run method, the runCount of the child testcase is checked and incremented. This leaves the runCount varia...
How to get the first column of a pandas DataFrame as a Series?
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From v0.11+, ... use df.iloc.
In [7]: df.iloc[:,0]
Out[7]:
0 1
1 2
2 3
3 4
Name: x, dtype: int64
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imp...
How do you crash a JVM?
...t() which terminates the JVM immediately without proper cleanup. But apart from that, native code and resource exhaustion are the most likely answers. Alternatively you can go looking on Sun's bug tracker for bugs in your version of the JVM, some of which allow for repeatable crash scenarios. We use...
Numpy: find first index of value fast
...hen compile using:
f2py -c -m search search.f90
after which you can do (from Python):
import search
print(search.find_first.__doc__)
a = search.find_first(your_int_needle, your_int_array)
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CocoaPods and GitHub forks
...2cf8fae582bc1'
After that, pod update will update this particular commit from your fork. If you want, you can also make a podspec for your fork, but I find this approach simpler and I don't make changes frequently enough to justify a new workflow.
Do I need to work on my fork outside of my pr...
Remove shadow below actionbar
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Isn't it a style to remove the shadow from below the status bar, not the actionbar?
– Michał K
Sep 3 '12 at 11:07
96
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How to get the name of the calling method?
...
parse_caller(caller(depth+1).first).last
end
private
# Copied from ActionMailer
def self.parse_caller(at)
if /^(.+?):(\d+)(?::in `(.*)')?/ =~ at
file = Regexp.last_match[1]
line = Regexp.last_match[2].to_i
method = Regexp.last_match[3]
[file, line, meth...