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How to access array elements in a Django template?
... access individual elements of the array in the array (e.g. arr[0] , arr[1] ) etc. instead of looping through the whole array.
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How to JSON serialize sets?
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JSON notation has only a handful of native datatypes (objects, arrays, strings, numbers, boole...
How do I limit the number of returned items?
How can I limit the returned items to only the latest 10 items that were inserted?
7 Answers
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Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
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answered Aug 28 '14 at 14:19
AdnanAdnan
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mongo - couldn't connect to server 127.0.0.1:27017
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How to cancel a Task in await?
...= new CancellationTokenSource();
source.CancelAfter(TimeSpan.FromSeconds(1));
Task<int> task = Task.Run(() => slowFunc(1, 2, source.Token), source.Token);
// (A canceled task will raise an exception when awaited).
await task;
}
private int slowFunc(int a, int b, CancellationToken ...
In Typescript, How to check if a string is Numeric
...y to convert a string to a number is with Number, not parseFloat.
Number('1234') // 1234
Number('9BX9') // NaN
You can also use the unary plus operator if you like shorthand:
+'1234' // 1234
+'9BX9' // NaN
Be careful when checking against NaN (the operator === and !== don't work as expected wi...
Difference between a Seq and a List in Scala
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In Java terms, Scala's Seq would be Java's List, and Scala's List would be Java's LinkedList.
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Remove the bottom divider of an android ListView
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Just add
android:footerDividersEnabled="false"
to your ListView description
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