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How do I convert seconds to hours, minutes and seconds?

...his is the best way, IMHO, as you can then use arithmetic on the timedelta and any datetime objects. – Matthew Schinckel Apr 22 '09 at 3:13 13 ...
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Run PHP Task Asynchronously

I work on a somewhat large web application, and the backend is mostly in PHP. There are several places in the code where I need to complete some task, but I don't want to make the user wait for the result. For example, when creating a new account, I need to send them a welcome email. But when they h...
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Measuring the distance between two coordinates in PHP

... have the need to calculate the distance between two points having the lat and long. 12 Answers ...
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?

In the Mac and iOS platforms, memory leaks are often caused by unreleased pointers. Traditionally, it has always been of utmost importance to check your allocs, copies and retains to make sure each has a corresponding release message. ...
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Capturing mobile phone traffic on Wireshark

... Here are some suggestions: For Android phones, any network: Root your phone, then install tcpdump on it. This app is a tcpdump wrapper that will install tcpdump and enable you to start captures using a GUI. Tip: You will need to make sure you supply the ri...
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How to parse JSON in Java

... I agree with @StaxMan. I just tried org.json and it's horribly cumbersome. It really doesn't play with with standard Java Collection types, for example. – Ken Williams Nov 12 '14 at 16:55 ...
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The term “Context” in programming? [closed]

I have been programming for some months now and a frequently used word is "context" in classes. Like ServletContext (Java), Activity (Android), Service (Java, Android), NSManagedContext (Objective-C, iOS). ...
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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])

I guess I'm not clear on how to do "and" tests. I wanted to make sure an argument existed which was working well with [ -e $VAR ] , but it turns out that was also evaluating as true on an empty string; which I do not want. ...
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What is Double Brace initialization in Java?

...es an anonymous class derived from the specified class (the outer braces), and provides an initialiser block within that class (the inner braces). e.g. new ArrayList<Integer>() {{ add(1); add(2); }}; Note that an effect of using this double brace initialisation is that you're creating...
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Password hint font in Android

...rent solutions, the second of which has better behavior for me: 1) Remove android:inputType="textPassword" from your xml file and instead, in set it in java: EditText password = (EditText) findViewById(R.id.password_text); password.setTransformationMethod(new PasswordTransformationMethod()); Wit...