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Number of occurrences of a character in a string [duplicate]

...rge and (almost) entirely made up of repeated delimiters (&), it could allocate 12-24x the original size of the string due to object overheads in .Net. I would go with the second approach, and if that's not fast enough then write a for loop. – Niall Connaughton ...
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Options, Settings, Properties, Configuration, Preferences — when and why?

... Tricky, this, as there's no one single consistent style followed by all applications. As you say they are (broadly) synonyms. In truth it doesn't really matter so long as your expected audience understands what you mean. The biggest difference is between Properties, which usually affect a c...
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How do I convert dates in a Pandas data frame to a 'date' data type?

... Essentially equivalent to @waitingkuo, but I would use to_datetime here (it seems a little cleaner, and offers some additional functionality e.g. dayfirst): In [11]: df Out[11]: a time 0 1 2013-01-01 1 2 2013-01-02 2 ...
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Converting between java.time.LocalDateTime and java.util.Date

...Date instance has no concept of time-zone. This might seem strange if you call toString() on a java.util.Date, because the toString is relative to a time-zone. However that method actually uses Java's default time-zone on the fly to provide the string. The time-zone is not part of the actual state o...
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How to create has_and_belongs_to_many associations in Factory girl

... Thank you, most neat of all solutions. – Mik May 29 '12 at 19:14 Th...
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How can I push a specific commit to a remote, and not previous commits?

... commits, not to be confused with the top, first, or tip commit, which are all ambiguous descriptions in my opinion. The commit needs to the oldest of your commits, i.e. the furthest from your most recent commit. If it's not the oldest commit then all commits from your oldest, local, non-pushed SHA ...
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Why there is no ForEach extension method on IEnumerable?

...s done at runtime, ForEach() is at compile time (Big Plus!) The syntax to call a delegate is indeed much simpler: objects.ForEach(DoSomething); ForEach() could be chained: although evilness/usefulness of such a feature is open to discussion. Those are all great points made by many people here and ...
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How to stop Gradle task execution in Android Studio?

... you can call ./gradlew --stop in a Terminal and it will kill all gradle processes share | improve this answer | ...
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Android encryption / decryption using AES [closed]

... @Maarten Bodewes I see your warnings all over the place, under manyt posts. Could you please provide a good solution instead? – Yar Mar 30 '18 at 12:27 ...
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a href link for entire div in HTML/CSS

... UPDATE 06/10/2014: using div's inside a's is semantically correct in HTML5. You'll need to choose between the following scenarios: <a href="http://google.com"> <div> Hello world </div> </a> which is semantically incorrect, but it wil...