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What is the string length of a GUID?
... create a varchar column in SQL that should contain N'guid' while guid is a generated GUID by .NET ( Guid.NewGuid ) - class System.Guid.
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Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti
This is not a duplicate of "How to safely call an async method in C# without await" .
8 Answers
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Class vs. static method in JavaScript
I know this will work:
14 Answers
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How do I create a unique constraint that also allows nulls?
... going to populate with GUIDs. However, my data contains null values for this columns. How do I create the constraint that allows multiple null values?
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What is the most efficient way to create HTML elements using jQuery?
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I use $(document.createElement('div')); Benchmarking shows this technique is the fastest. I speculate this is because jQuery doesn't have to identify it as an element and create the element itself.
You should really run benchmarks with different Javascript engines and weigh your audi...
Detect application heap size in Android
...n heap size available":
How much heap can my app use before a hard error is triggered? And
How much heap should my app use, given the constraints of the Android OS version and hardware of the user's device?
There is a different method for determining each of the above.
For item 1 above: maxMem...
Java, Simplified check if int array contains int
...hecking if an int array contains an int, although he won't tell me what it is :P.
14 Answers
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Is there a method that calculates a factorial in Java?
I didn't find it, yet. Did I miss something?
I know a factorial method is a common example program for beginners. But wouldn't it be useful to have a standard implementation for this one to reuse?
I could use such a method with standard types (Eg. int, long...) and with BigInteger / BigDecimal, too...
How to declare an array in Python?
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variable = []
Now variable refers to an empty list*.
Of course this is an assignment, not a declaration. There's no way to say in Python "this variable should never refer to anything other than a list", since Python is dynamically typed.
*The default built-in Python t...
“Invalid form control” only in Google Chrome
...bmit. Chrome console logs the error An invalid form control with name='' is not focusable . Any ideas?
13 Answers
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