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How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
...gle Play Services. Once the new Google Play Services is installed you will now have stable, working access to Google Play
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Null coalescing in powershell
... evaluated
Null Conditional Assignment
$x = $null
$x ??= 100 # $x is now 100
$x ??= 200 # $x remains 100
Ternary Operator
$true ? "this value returned" : "this expression not evaluated"
$false ? "this expression not evaluated" : "this value returned"
Previous Versions:
No need for ...
What would cause an algorithm to have O(log n) complexity?
My knowledge of big-O is limited, and when log terms show up in the equation it throws me off even more.
6 Answers
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Akka or Reactor [closed]
...which is what you imply by “distributed”). For “modular” I do not know enough about Reactor, in particular how you can look up active components and manage them.
If you start a real project now and need something which satisfies your first sentence, then I don’t think it would be controve...
filter for complete cases in data.frame using dplyr (case-wise deletion)
... are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame).
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What is causing this ActiveRecord::ReadOnlyRecord error?
... answered. I actually discovered I could remove a join from that query, so now the working query is
6 Answers
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How to get current time and date in Android
...an (but no longer should - see below!) use android.text.format.Time:
Time now = new Time();
now.setToNow();
From the reference linked above:
The Time class is a faster replacement
for the java.util.Calendar and
java.util.GregorianCalendar classes.
An instance of the Time class
represe...
Hash collision in git
... hex character string... that's 4 bits per character times 40... 160 bits. Now we know 10 bits is approximately 1000 (1024 to be exact) meaning that there are 1 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 different SHA-1 hashes... 1048.
What is this equivalent of? Well the Moon i...
How to remove CocoaPods from a project?
...that existed before you integrated CocoaPods. If I missed anything let me know and I will edit this.
Also we're always looking for suggestions for how to improve CocoaPods so if you have an issues please submit them in our issue tracker so we can come up with a way to fix them!
EDIT
As shown by J...
How do you rename a MongoDB database?
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This is great! I already had a mongodump created. Didnt know you can restore it with a different name. Thanks!
– Dushyant Bangal
Mar 31 '17 at 13:29
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