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How do I find a “gap” in running counter with SQL?

...en this would find only 3. What I'd love it to find is 3-10 instead - basically the beginning and the end of every gap. I understand that I might have to write my own python script that leverages SQL (in my case MySql), but it would be nice if SQL could get me closer to what I want (I have a table w...
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Base 64 encode and decode example code

...Charsets: // Sending side byte[] data = text.getBytes(StandardCharsets.UTF_8); String base64 = Base64.encodeToString(data, Base64.DEFAULT); // Receiving side byte[] data = Base64.decode(base64, Base64.DEFAULT); String text = new String(data, StandardCharsets.UTF_8); ...
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How to output in CLI during execution of PHP Unit tests?

... } } This lets you dump anything to your console at any time without all the unwanted output that comes along with the --verbose CLI option. As other answers have noted, it's best to test output using the built-in methods like: $this->expectOutputString('foo'); However, sometimes it's...
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Cocoa Touch: How To Change UIView's Border Color And Thickness?

...st a heads up for others. Xcode suggests bridging UIColor to CGColorRef as __bridge CGColorRef. This does not work. It needs to be [UIColor blackColor].CGColor as mentioned in answer. – GoodSp33d Jul 10 '14 at 5:05 ...
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How to change an application icon programmatically in Android?

...st: <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" /> <uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT" /> Then you need this two methods for installing and uninstalling shortcuts. The shortcutAdd method creates a bitm...
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Check free disk space for current partition in bash

I am writing an installer in bash. The user will go to the target directory and runs the install script, so the first action should be to check that there is enough space. I know that df will report all file systems, but I was wondering if there was a way to get the free space just for the partition...
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How do I fix “for loop initial declaration used outside C99 mode” GCC error?

...oo.c -o foo REF: http://cplusplus.syntaxerrors.info/index.php?title='for'_loop_initial_declaration_used_outside_C99_mode share | improve this answer | follow ...
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Resize UIImage by keeping Aspect ratio and width

... +(UIImage*)imageWithImage: (UIImage*) sourceImage scaledToWidth: (float) i_width { float oldWidth = sourceImage.size.width; float scaleFactor = i_width / oldWidth; float newHeight = sourceImage.size.height * scaleFactor; float newWidth = oldWidth * scaleFactor; UIGraphicsBegin...
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How to strip all non-alphabetic characters from string in SQL Server?

How could you remove all characters that are not alphabetic from a string? 18 Answers ...
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How do I remove the last comma from a string using PHP?

...This doesn't work in a loop that adds a comma at the end as it will remove all the commas. – LizardKG Mar 11 at 21:35 add a comment  |  ...