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In log4j, does checking isDebugEnabled before logging improve performance?
...g statement you will already have the check in place.
2- You don't have to selectively include the statement on "complex" debug statements. All statements are included that way.
3- Calling log.debug executes the following before logging:
if(repository.isDisabled(Level.DEBUG_INT))
retur...
How can I get the external SD card path for Android 4.0+?
...e directory mnt first and work from there..
You should use some type of selection method to choose which sdcard to use:
File storageDir = new File("/mnt/");
if(storageDir.isDirectory()){
String[] dirList = storageDir.list();
//TODO some type of selecton method?
}
...
brew install mysql on macOS
...wever, the UPDATE did not work since I do not have any records on select * from mysql.user; Since we are already logged in as root, we can simply insert one for root by running GRANT ALL PRIVILEGES ON . TO 'root'@'localhost' IDENTIFIED BY 'whatever'; FLUSH PRIVILEGES;
...
The Difference Between Deprecated, Depreciated and Obsolete [closed]
...
With all due respect, this is a slight pet peeve of mine and the selected answer for this is actually wrong.
Granted language evolves, e.g., "google" is now a verb, apparently. Through what's known as "common use", it has earned its way into official dictionaries. However, "google" was a ...
Is there StartsWith or Contains in t sql with variables?
... Edition%'
Example:
DECLARE @edition varchar(50);
set @edition = cast((select SERVERPROPERTY ('edition')) as varchar)
DECLARE @isExpress bit
if @edition like 'Express Edition%'
set @isExpress = 1;
else
set @isExpress = 0;
print @isExpress
...
Generate random password string with requirements in javascript
...ough bits to "fill up" the full decimal space, the last digit will only be selected from a certain set of values. For example, on my computer, the last digit is only ever "i", "r", and "9". Use this instead: Math.random().toString(36).substr(2, 8)
– Joel
Jan 19...
LINQ Join with Multiple Conditions in On Clause
...rojectID && x.Completed == true)
.DefaultIfEmpty()
select new { t1.ProjectName, t2.TaskName }
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Convert generic List/Enumerable to DataTable?
... where i.Price > 9.99
orderby i.Price
select i;
// Load the query results into new DataTable.
DataTable table = query.CopyToDataTable();
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How do I escape double quotes in attributes in an XML String in T-SQL?
...ype="2" instanceId="215923801" dataSetId="1" /></transaction>'
select @xml.value('(//item/@value)[1]','varchar(50)')
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Unable to hide welcome screen in Emacs
....
Options -> customize emacs -> top-level customization group
then select environment group, then initialization, and set inhibit startup screen to on.
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