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How to use timeit module
...at how you allocate your budget of 7000 executions (e.g., .repeat(7, 1000) vs. .repeat(2, 3500) vs .repeat(35, 200) should depend on how the error due to system load compares to the error due to input variability. In the extreme case if your system is always under heavy load, and you see a long thin...
Detect 7 inch and 10 inch tablet programmatically
...
The above doesn't always work when switching portrait vs. landscape.
If you are targeting API level 13+, it is easy as described above -- use Configuration.smallestScreenWidthDp, then test accordingly:
resources.getConfiguration().smallestScreenWidthDp
Otherwise, if you can ...
What is declarative programming? [closed]
... databases allow you to display the query that they are actually executing vs. the query that you asked them to execute. Often, those queries look nothing like each other. The query planner takes things into account that you wouldn't even have dreamed of: rotational latency of the disk platter, for ...
What is the difference between \r and \n?
How are \r and \n different? I think it has something to do with Unix vs. Windows vs. Mac, but I'm not sure exactly how they're different, and which to search for/match in regexes.
...
Static function variables in Swift
...ment of the variable declaration determines the lexical scope (i.e. global vs within function vs many-nested-{}s). In Swift, storage scope always follows lexical scope, so you can't have a variable that's lexical to a function and that has global storage.
– rickster
...
Efficient way to apply multiple filters to pandas DataFrame or Series
.... What is the performance benefit/trade off of passing in array via out() vs. using the one returned from logical_and()? Thanks again!
– durden2.0
Nov 29 '12 at 14:30
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AI2 SideBar Extension
...FontTypeface == default removed. Contents Download Usage Pixel vs. DIP Detect Swiping SideBar Structure SideBar Items Openening and Closing Reference Properties Functions Events Example SideBarTest Tools Download The UrsAI2SideBar ZIP archive for download. The archive contain...
Checking for a dirty index or untracked files with Git
...an error occurred” (exit non-zero, but probably 128). But checking for 0 vs. 1 vs. non-zero exit codes is probably fairly robust:
git ls-files --others --error-unmatch . >/dev/null 2>&1; ec=$?
if test "$ec" = 0; then
echo some untracked files
elif test "$ec" = 1; then
echo no un...
How can you diff two pipelines in Bash?
...ll more clearly remind you which input was which, by showing
-- /dev/stdin vs. ++ /dev/fd/63 or something, instead of two numbered fds.
Not even a named pipe will appear in the filesystem, at least on OSes where bash can implement process substitution by using filenames like /dev/fd/63 to get a f...
What is the difference between CMD and ENTRYPOINT in a Dockerfile?
...r. I think Docker documentation should add this under a section called CMD vs ENTRYPOINT.
– Tarik
Dec 28 '16 at 19:37
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