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How to get the first non-null value in Java?
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I was looking for the same but for strings, and found out that there are SpringUtils.firstNonBlank(T...) and SpringUtils.firstNonBlank(T...) methods.
– kodlan
Jul 29 at 17:23
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Is there a standard for storing normalized phone numbers in a database?
...rwegian contact info I find that quite often it gets rejected.
Leave it a string, unless you have some specific need for something more advanced.
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Using Linq to group a list of objects into a new grouped list of list of objects
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For type
public class KeyValue
{
public string KeyCol { get; set; }
public string ValueCol { get; set; }
}
collection
var wordList = new Model.DTO.KeyValue[] {
new Model.DTO.KeyValue {KeyCol="key1", ValueCol="value1" },
new Model.DTO.KeyValue {KeyCol...
SQL how to make null values come last when sorting ascending
...s 0, and nulls become 1, which sorts nulls last.
You can also do this for strings:
SELECT *
FROM Employees
ORDER BY ISNULL(LEFT(LastName,0),'a'), LastName
Because 'a' > ''.
This even works with dates by coercing to a nullable int and using the method for ints above:
SELECT *
FROM Employe...
How do I find out if the GPS of an Android device is enabled
...n to the user if you want.
Check if location providers are available
String provider = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
if(provider != null){
Log.v(TAG, " Location providers: "+provider);
//Start searching for loca...
How do I replace a git submodule with another repo?
...it/config
Run git rm --cached path_to_submodule (no trailing slash)
Commit and delete the now untracked submodule files
Now, add the new submodule with the --name flag. This will give git an alternate name to reference in .git/config for the submodule, to deconflict with the submodule that was th...
How to load local script files as fallback in cases where CDN are blocked/unavailable? [duplicate]
... // Include your stylesheets, this can be an array of stylesheets or a string!
page_css: 'index.css',
// JavaScript library. THE KEY MUST BE THE LIBARIES WINDOW VARIABLE!
JSON: '//cdnjs.cloudflare.com/ajax/libs/json2/20121008/json2.min.js',
// Here goes a failov...
Use Expect in a Bash script to provide a password to an SSH command
... starting with a dash (-) will fail otherwise.
The above won't interpret a string starting with a dash as an option to the send command.
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Is there a portable way to get the current username in Python?
...e current user's username in Python (i.e., one that works under both Linux and Windows, at least). It would work like os.getuid :
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Deploying my application at the root in Tomcat
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A context path must either be an empty string or start with a '/'. The path [ROOT] does not meet these criteria and has been changed to [/ROOT]
– Nikita Bosik
Apr 1 '15 at 0:59
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