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Is there a performance difference between a for loop and a for-each loop?
...(i) */ }
Second, the preferred way since it's less error prone (how many times have YOU done the "oops, mixed the variables i and j in these loops within loops" thing?).
for (String s : strings) { /* do something using s */ }
Third, the micro-optimized for loop:
int size = strings.size();
for ...
Keyboard shortcut to “untab” (move a block of code to the left) in eclipse / aptana?
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This workaround works most of the time. It uses eclipse's 'smart insert' features instead:
Control X to erase the selected block of text, and keep it for pasting.
Control+Shift Enter, to open a new line for editing above the one you are at.
You might want t...
Python requests - print entire http request (raw)?
...sr/local/lib/python2.7/dist-packages/requests/adapters.py(324)send()
-> timeout=timeout
/usr/local/lib/python2.7/dist-packages/requests/packages/urllib3/connectionpool.py(478)urlopen()
-> body=body, headers=headers)
/usr/local/lib/python2.7/dist-packages/requests/packages/urllib3/connectio...
Why do you have to link the math library in C?
... libm/libc split, none of them very convincing.
Interestingly, the C++ runtime libstdc++ requires libm, so if you compile a C++ program with GCC (g++), you will automatically get libm linked in.
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Encoding as Base64 in Java
...mpatible with older versions of Java, which are (at least at this point in time) probably far more prevalent.
– dcoder
Jul 5 '14 at 12:09
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Pandas timeseries plot setting x-axis major and minor ticks and labels
I want to be able to set the major and minor xticks and their labels for a time series graph plotted from a Pandas time series object.
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Using Selenium Web Driver to retrieve value of a HTML input
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You can do like this :
webelement time=driver.findElement(By.id("input_name")).getAttribute("value");
this will give you the time displaying on the webpage.
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What's the hardest or most misunderstood aspect of LINQ? [closed]
... Really? I had it's lazy-loaded nature pointed out to me so many times while learning Linq, it was never an issue for me.
– Adam Lassek
Dec 17 '08 at 16:19
26
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Python: TypeError: cannot concatenate 'str' and 'int' objects [duplicate]
...as integers: {}".format(c))
For example -
hours = 13
minutes = 32
print("Time elapsed - {} hours and {} minutes".format(hours, minutes))
will result in output - Time elapsed - 13 hours and 32 minutes
Check out docs for more information.
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What are the best Haskell libraries to operationalize a program? [closed]
...A +RTS -s
64,952 bytes allocated in the heap
1 MB total memory in use
%GC time 0.0% (6.1% elapsed)
Productivity 100.0% of total user, 0.0% of total elapsed
You can get this in machine-readable format too:
$ ./A +RTS -t --machine-readable
[("bytes allocated", "64952")
,("num_GCs", "1")...