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Convert timestamp in milliseconds to string formatted time in Java
...ormat("HH:mm:ss.SSS");
formatter.setTimeZone(TimeZone.getTimeZone("UTC"));
String dateFormatted = formatter.format(date);
See SimpleDateFormat for a description of other format strings that the class accepts.
See runnable example using input of 1200 ms.
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How can I explode and trim whitespace?
For example, I would like to create an array from the elements in this string:
11 Answers
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Developing for Android in Eclipse: R.java not regenerating
...e of them recently
Check AndroidManifest.xml. I find that often I change a string and forget to change the string name from AndroidManifest.xml.
Check that Android SDK Build-tools is installed. Window -> Android SDK Manager -> Tools -> Android SDK Build-tools
Make sure when you update the A...
vbscript output to console
...in it
Public Sub StartBox()
Print " " & String(73, "_")
Print " |" & Space(73) & "|"
End Sub
Public Sub BoxLine(sText)
Print Left(" |" & Centre( sText, 74) , 75) & "|"
End Sub
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Why do I get an UnsupportedOperationException when trying to remove an element from a List?
...he List.
Fix
Create a LinkedList, which supports faster remove.
List<String> list = new LinkedList<String>(Arrays.asList(split));
On split taking regex
From the API:
String.split(String regex): Splits this string around matches of the given regular expression.
| is a regex ...
How to strip all whitespace from string
How do I strip all the spaces in a python string? For example, I want a string like strip my spaces to be turned into stripmyspaces , but I cannot seem to accomplish that with strip() :
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What are free monads?
...gives you a way to "get out" of it.
More generally, if X is a Y with some extra stuff P, then a "free X" is a a way of getting from a Y to an X without gaining anything extra.
Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an operation (you can think of add...
Replace one substring for another string in shell script
...
To replace the first occurrence of a pattern with a given string, use ${parameter/pattern/string}:
#!/bin/bash
firstString="I love Suzi and Marry"
secondString="Sara"
echo "${firstString/Suzi/$secondString}"
# prints 'I love Sara and Marry'
To replace all occurrences, use ${p...
SQL injection that gets around mysql_real_escape_string()
Is there an SQL injection possibility even when using mysql_real_escape_string() function?
4 Answers
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What exactly is Arel in Rails 3.0?
...eRecord
No, it isn't. It's a replacement for hand-crafting SQL queries in strings. It is a common query layer that underlies ActiveRecord, but it can also be used as an underpinning for DataMapper, for example.
If it is a replacement for anything, it's a replacement for Ambition. Or, you can think ...