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String strip() for JavaScript? [duplicate]
...g(this).replace(...) or ('' + this).replace(...); this allows to call() or apply() the function to non-string values
– Christoph
Sep 13 '09 at 19:14
1
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CharSequence VS String in Java?
...ting its instances for equality with those of the other. It is therefore inappropriate to use arbitrary CharSequence instances as elements in a set or as keys in a map.
– Trevor Robinson
Feb 10 '12 at 23:39
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How to disable copy/paste from/to EditText
In my application, there is a registration screen, where i do not want the user to be able to copy/paste text into the EditText field. I have set an onLongClickListener on each EditText so that the context menu showing copy/paste/inputmethod and other options does not show up. So the user won...
Does Spring @Transactional attribute work on a private method?
... Method visibility and @Transactional
When using proxies, you should apply
the @Transactional annotation only
to methods with public visibility. If
you do annotate protected, private or
package-visible methods with the
@Transactional annotation, no error
is raised, but the annotate...
Unable to cast object of type 'System.DBNull' to type 'System.String`
I got the above error in my app. Here is the original code
11 Answers
11
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Fundamental difference between Hashing and Encryption algorithms
...ant an explanation, I'll do my best here:
Hash Functions
They provide a mapping between an arbitrary length input, and a (usually) fixed length (or smaller length) output. It can be anything from a simple crc32, to a full blown cryptographic hash function such as MD5 or SHA1/2/256/512. The point...
Missing return statement in a non-void method compiles
... marked as returning int, but in fact does not return, then you should be happy that the compiler flags this, so you can mark the method as void or fix it if you did not intend for that behaviour.
– MikeFHay
May 28 '13 at 14:37
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Why are arrays of references illegal?
...late classes using an array as a 'class' template parameter, and see what happens. You can't return them, assign them, pass them as parameters. ( an array param is treated as a pointer). But it is legal to make arrays of arrays.
References do have a size that the compiler can and must calculate - yo...
Is there a better Windows Console Window? [closed]
...imarily because the console window is wretched to use compared to terminal applications on linux and OS X such as "rxvt", "xterm", or "Terminal". Major complaints:
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How do I have an enum bound combobox with custom string formatting for enum values?
... I've seen a similar solution where instead of using a custom class, they mapped the enum values to a Dictionary and used the Key and Value properties as the DisplayMember and ValueMember.
– Jeff B
Jul 12 '13 at 21:39
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