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Types in Objective-C on iOS

...e: 32 bit process: NSLog(@"Primitive sizes:"); NSLog(@"The size of a char is: %d.", sizeof(char)); NSLog(@"The size of short is: %d.", sizeof(short)); NSLog(@"The size of int is: %d.", sizeof(int)); NSLog(@"The size of long is: %d.", sizeof(long)); NSLog(@"The size of long long is: %d....
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Most efficient T-SQL way to pad a varchar on the left to a certain length?

...your padding character and @n is the number of characters in the resulting string (assuming you need the padding because you are dealing with a fixed length). But as I said you should really avoid doing this in your database. ...
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What is the size of column of int(11) in mysql in bytes?

...ied as zerofill. Otherwise, it will just be displayed as number 1, without extra digits. @Gaurav - don't mix how mysql displays data and how it stores it, those are two different things. What you see is not what it really might be. – Michael J.V. Apr 12 '11 at ...
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Java `final` method: what does it promise?

...calculated value derived from those attributes. A good example is the Java String class. Reliability and Contract -- Objects are composed of primitives (int, char, double, etc.) and/or other Objects. Not all operations applicable to those components should be applicable or even logical when they are...
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New line in Sql Query

...server-difference-between-line-feed-n-and-carriage-return-r-t-sql-new-line-char/ DECLARE @NewLineChar AS CHAR(2) = CHAR(13) + CHAR(10) PRINT ('SELECT FirstLine AS FL ' + @NewLineChar + 'SELECT SecondLine AS SL') share ...
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Why does sizeof(x++) not increment x?

...efit to compile-time resolution of the sizeof() operator when working with strings. If you have a string that is initialized as a quoted string, instead of using strlen(), where the character array comprising the string has to be scanned for the null-terminator at run time, sizeof(quoted_string) is ...
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What to do with “Unexpected indent” in python?

... statement). All lines of code in a block must start with exactly the same string of whitespace. For instance: >>> def a(): ... print "foo" ... print "bar" IndentationError: unexpected indent This one is especially common when running python interactively: make sure you don't put a...
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How to read a single char from the console in Java (as the user types it)?

...jCurses might be interesting, though. On a Unix system, this might work: String[] cmd = {"/bin/sh", "-c", "stty raw </dev/tty"}; Runtime.getRuntime().exec(cmd).waitFor(); For example, if you want to take into account the time between keystrokes, here's sample code to get there. ...
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How To Test if Type is Primitive

...e can think that are primitives, but they aren´t, for example Decimal and String. Edit 1: Added sample code Here is a sample code: if (t.IsPrimitive || t == typeof(Decimal) || t == typeof(String) || ... ) { // Is Primitive, or Decimal, or String } Edit 2: As @SLaks comments, there are othe...
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How to send emails from my Android application?

...N_SEND); i.setType("message/rfc822"); i.putExtra(Intent.EXTRA_EMAIL , new String[]{"recipient@example.com"}); i.putExtra(Intent.EXTRA_SUBJECT, "subject of email"); i.putExtra(Intent.EXTRA_TEXT , "body of email"); try { startActivity(Intent.createChooser(i, "Send mail...")); } catch (android.c...