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Measure elapsed time in Swift
...I wrote to measure Project Euler problems in Swift
As of Swift 3, there is now a version of Grand Central Dispatch that is "swiftified". So the correct answer is probably to use the DispatchTime API.
My function would look something like:
// Swift 3
func evaluateProblem(problemNumber: Int, problemBl...
git merge: apply changes to code that moved to a different file
I am attempting a pretty beefy git merge maneuver right now. One problem that I am coming across is that I made some changes to some code in my branch, but my colleague moved that code to a new file in his branch. So when I did git merge my_branch his_branch , git did not notice that the code in ...
Install NPM into home directory with distribution nodejs package (Ubuntu)
...bout these packages
NODE_PATH="$NPM_PACKAGES/lib/node_modules:$NODE_PATH"
Now when you do an npm install -g, NPM will install the libraries into ~/.npm-packages/lib/node_modules, and link executable tools into ~/.npm-packages/bin, which is in your PATH.
Just use npm install -g as you would normally...
Common elements in two lists
...
Use Collection#retainAll().
listA.retainAll(listB);
// listA now contains only the elements which are also contained in listB.
If you want to avoid that changes are being affected in listA, then you need to create a new one.
List<Integer> common = new ArrayList<Integer>(...
Getting the first and last day of a month, using a given DateTime object
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I know I'm being picky here, but shouldn't lastDayofMonth be firstDayOfMonth.AddMonths(1).AddSeconds(-1);?
– Karl Gjertsen
Jan 5 '16 at 15:27
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How accurate is python's time.sleep()?
... also running the code on Mac and Windows, so I probably got confused. I know windows XP at least has a tick rate of about 10ms.
– Joseph Lisee
Aug 11 '10 at 15:55
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How to load a UIView using a nib file created with Interface Builder
...ll it 'myViewNib.xib') in IB, set you file's Owner to MyViewController
4) now connect your file's Owner outlet myViewFromNib to the main view in the nib.
5) Now in MyViewController, write the following line:
[[NSBundle mainBundle] loadNibNamed:@"myViewNib" owner:self options:nil];
Now as soon ...
What is object slicing?
...nk casting back (since not a pointer arithmetic) will work , A a = b; a is now object of type A which has copy of B::foo. It will be mistake to cast it back now i think.
– user72424
Aug 12 '11 at 12:27
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How to check if a number is a power of 2
...that
is, the result is true if and only if both its operands are true.
Now let's take a look at how this all plays out:
The function returns boolean (true / false) and accepts one incoming parameter of type unsigned long (x, in this case). Let us for the sake of simplicity assume that someone ...
How can I get the count of milliseconds since midnight for the current?
... current time as a number of milliseconds (not count from epoch).
Instant.now() // Get current moment in UTC, then…
.get( ChronoField.MILLI_OF_SECOND ) // interrogate a `TemporalField`.
2017-04-25T03:01:14.113Z → 113
Get the fractional second in nan...