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Add UIPickerView & a Button in Action sheet - How?

...oblem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it ...
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Update Eclipse with Android development tools v. 23

...ny problems of previous ADT version 23. Step-by-step: Menu Help → Install New Software... For "Work with", select the Android source https://dl-ssl.google.com/android/eclipse Tick ADT v23.0 for installation, then click "Next" Eclipse will show "Install Remediation Page" since there is conflict...
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Fragment onResume() & onPause() is not called on backstack

I have multiple fragment inside an activity. On a button click I am starting a new fragment, adding it to backstack. I naturally expected the onPause() method of current Fragment and onResume() of new Fragment to be called. Well it is not happening. ...
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What are the typical reasons Javascript developed on Firefox fails on IE? [closed]

...compliance mode for them to be available. General: Problems with partially loaded documents: It’s a good idea to add your JavaScript in a window.onload or similar event as IE doesn’t support many operations in partially loaded documents. Differing attributes: In CSS, it's elm.style.styleFlo...
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What is the relative performance difference of if/else versus switch statement in Java?

...ic interface Action { void execute(String input); } And get hold of all implementations in some Map. You can do this either statically or dynamically: Map<String, Action> actions = new HashMap<String, Action>(); Finally replace the if/else or switch by something like this (leav...
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli

... When I called Integer.toHexString((byte)0xff) it returned "ffffffff" because of sign extension. So one might need to take the last two characters of the returned string. – Marvo Jul 27 '12 at 2...
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MySQL - UPDATE query based on SELECT Query

... You can actually do this one of two ways: MySQL update join syntax: UPDATE tableA a INNER JOIN tableB b ON a.name_a = b.name_b SET validation_check = if(start_dts > end_dts, 'VALID', '') -- where clause can go here ANSI SQL syntax...
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Label encoding across multiple columns in scikit-learn

...mn; I'd rather just have one big LabelEncoder objects that works across all my columns of data. 21 Answers ...
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What's the difference between 'git merge' and 'git rebase'?

... Suppose originally there were 3 commits, A,B,C: Then developer Dan created commit D, and developer Ed created commit E: Obviously, this conflict should be resolved somehow. For this, there are 2 ways: MERGE: Both commits D and E ...
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Compare two files line by line and generate the difference in another file

I want to compare file1 with file2 and generate a file3 which contains the lines in file1 which are not present in file2. 1...