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How can I get a precise time, for example in milliseconds in Objective-C?
...timeIntervalSince* methods will return a NSTimeInterval which is a double with sub-millisecond accuracy. NSTimeInterval is in seconds, but it uses the double to give you greater precision.
In order to calculate millisecond time accuracy, you can do:
// Get a current time for where you want to star...
How do I serialize an object and save it to a file in Android?
Say I have some simple class and once it's instantiated as an object I want to be able to serialize its contents to a file, and retrieve it by loading that file at some later time... I'm not sure where to start here, what do I need to do to serialize this object to a file?
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Why is `[` better than `subset`?
...en I need to filter a data.frame, i.e., extract rows that meet certain conditions, I prefer to use the subset function:
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How to capitalize the first letter of word in a string using Java?
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If you only want to capitalize the first letter of a string named input and leave the rest alone:
String output = input.substring(0, 1).toUpperCase() + input.substring(1);
Now output will have what you want. Check that your input is at least one...
Echo newline in Bash prints literal \n
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edited May 20 '15 at 14:46
answered Dec 11 '11 at 21:04
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How to make type=“number” to positive numbers only
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edited Aug 27 '19 at 7:44
Álvaro González
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Searching subversion history (full text)
Is there a way to perform a full text search of a subversion repository, including all the history?
16 Answers
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Difference between single quotes and double quotes in Javascript [duplicate]
...want double quotes to appear inside the string (e.g. for html attributes) without having to escape them, or vice versa. Other than that, there is no difference.
However, note that JSON (JavaScript Object Notation) only supports double quoted strings.
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What does the servlet value signify
I am getting a bit confused here. In our application we are having a few servlets defined. Here is the excerpt from the web.xml for one of the servlets:
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How do I convert a TimeSpan to a formatted string? [duplicate]
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Would TimeSpan.ToString() do the trick for you? If not, it looks like the code sample on that page describes how to do custom formatting of a TimeSpan object.
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