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Dynamically Changing log4j log level
...he documentation of org.apache.log4j.xml.DOMConfigurator.configureAndWatch(String,long) for details. The default wait time between checks is 60 seconds. These changes would be persistent, since you directly change the configuration file on the filesystem. All you need to do is to invoke DOMConfigura...
How to capitalize the first letter of word in a string using Java?
Example strings
25 Answers
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Check if a value is in an array (C#)
...y namespace
using System.Linq;
Then you can use linq Contains() method
string[] printer = {"jupiter", "neptune", "pangea", "mercury", "sonic"};
if(printer.Contains("jupiter"))
{
Process.Start("BLAH BLAH CODE TO ADD PRINTER VIA WINDOWS EXEC"");
}
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How to check whether a given string is valid JSON in Java
How do I validate a JSON string in Java? Or could I parse it using regular expressions?
19 Answers
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How to remove the first character of string in PHP?
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To remove every : from the beginning of a string, you can use ltrim:
$str = '::f:o:';
$str = ltrim($str, ':');
var_dump($str); //=> 'f:o:'
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How to append a newline to StringBuilder
I have a StringBuilder object,
9 Answers
9
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Best practices for SQL varchar column length [closed]
Every time is set up a new SQL table or add a new varchar column to an existing table, I am wondering one thing: what is the best value for the length .
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split string only on first instance - java
I want to split a string by '=' charecter. But I want it to split on first instance only. How can I do that ? Here is a JavaScript example for '_' char but it doesn't work for me
split string only on first instance of specified character
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UPDATE and REPLACE part of a string
... table with two columns, ID and Value . I want to change a part of some strings in the second column.
9 Answers
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Remove new lines from string and replace with one empty space
Want to remove all new lines from string.
19 Answers
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