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Xcode Debugger: view value of variable
...:indexPath.row]", "print indexPath.row", "po indexPath.row", ... But every time I got the message "There is no member named row." This works: "print indexPath" and "po indexPath". So I tried using "[]" instead to ".": "po [indexPath row]" -> "Can't print the description of a NIL object." "po [ind...
Turning a Comma Separated string into individual rows
...hile Loop or Recursive CTE. I strongly recommend that you avoid it at all times. Use DelimitedSplit8K instead. It blows the doors off of everything except the Split_String() function in 2016 or a well written CLR.
– Jeff Moden
Jun 11 at 18:17
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How can you encode a string to Base64 in JavaScript?
... As an American, you probably won't notice a difference ... but the first time you use an accented character, your code will break.
– Dan Esparza
Nov 8 '11 at 16:23
74
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What are the benefits of Java's types erasure?
...ite automated tests for these invariants we would be very much wasting our time. For example, for List<A>, from the type signature alone for flatten
<A> List<A> flatten(List<List<A>> nestedLists);
we can reason that
flatten(nestedList.map(l -> l.map(any_function)))...
Need to handle uncaught exception and send log file
...ld.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) ?
"logcat -d -v time MyApp:v dalvikvm:v System.err:v *:s" :
"logcat -d -v time";
// get input stream
Process process = Runtime.getRuntime().exec(cmd);
reader = new InputStreamReader (process.getInputStream());
...
Am I immoral for using a variable name that differs from its type only by case?
...What is the reasoning of those telling you this is bad? I do this all the time. It is the simplest, expressive way to name a single variable of a type. If you needed two Person objects then you could prefix person with meaningful adjectives like
fastPerson
slowPerson
otherwise just
person
i...
How to get a time zone from a location using latitude and longitude coordinates?
There are too many questions on StackOverflow about resolving a time zone from a location. This community wiki is an attempt at consolidating all of the valid responses.
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Really Cheap Command-Line Option Parsing in Ruby
...tomation system and it Just Works. Plus it's so easy to code with that sometimes I rearrange my banner just to experience the joy of it.
– kinofrost
Jul 19 '11 at 8:24
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Create numpy matrix filled with NaNs
..., NaN],
[ NaN, NaN, NaN],
[ NaN, NaN, NaN]])
I have timed the alternatives a[:] = numpy.nan here and a.fill(numpy.nan) as posted by Blaenk:
$ python -mtimeit "import numpy as np; a = np.empty((100,100));" "a.fill(np.nan)"
10000 loops, best of 3: 54.3 usec per loop
$ python -m...
How to merge a specific commit in Git
...n't care about creating a merge per se, but the difference does matter sometimes.
– LarsH
Feb 22 at 3:22
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