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Hide the cursor of an UITextField

...irst, store the text field's selected text range to an instance variable. _textFieldSelectedTextRange = textField.selectedTextRange; textField.selectedTextRange = nil; // hides caret Then, when you want to unhide the caret, simply set the text field's selected text range back to what it was origi...
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Command-line Tool to find Java Heap Size and Memory Used (Linux)?

...tion which options of jstat one should use in order to verify just the overall memory usage of a JVM? Let's say you start the JVM with Xms=4g and Xmx=4g and you want to see, how much memory of that is already used? – basZero Feb 5 '14 at 9:44 ...
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Detect encoding and make everything UTF-8

...ng, it will return garbled UTF-8 output. I made a function that addresses all this issues. It´s called Encoding::toUTF8(). You don't need to know what the encoding of your strings is. It can be Latin1 (ISO 8859-1), Windows-1252 or UTF-8, or the string can have a mix of them. Encoding::toUTF8() wi...
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jekyll markdown internal links

...ou can now post internal links by using the following: [Some Link]({% post_url 2010-07-21-name-of-post %}) This is also referenced in the Jekyll Documentation. https://github.com/mojombo/jekyll/pull/369 share | ...
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Returning value that was passed into a method

... @TheSenator Agree, I don't reacall already what this was about but I guess I was just hacking some unit tests together for already existing code I was not to modify, otherwise this number of arguments definitely calls for refactoring. ...
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Python Regex - How to Get Positions and Values of Matches

How can I get the start and end positions of all matches using the re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I'd want to get the positions where it finds each letter. Ideally, I'd like to get the text of the match back too. ...
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Making Python loggers output all messages to stdout in addition to log file

Is there a way to make Python logging using the logging module automatically output things to stdout in addition to the log file where they are supposed to go? For example, I'd like all calls to logger.warning , logger.critical , logger.error to go to their intended places but in addition al...
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How to grey out a button?

... disabled by setting the alpha (making it semi-transparent). This is especially useful if your button background is an image, and you don't want to create states for it. button.setAlpha(.5f); button.setClickable(false); update: I wrote the above solution pre Kotlin and when I was a rookie. It's m...
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ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file

... C:\Program Files\Java\jdk1.6.0_21\bin>keytool -list -alias androiddebugkey -keystore .android\debug.keystore -storepass android -keypass android. the error i got is keytool error: java.lang.Exception: Key...
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PHP Function with Optional Parameters

...wered Oct 20 '10 at 14:32 Matt BallMatt Ball 323k8585 gold badges599599 silver badges672672 bronze badges ...