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How to test if parameters exist in rails
...re asking about existence. You might need to differentiate:
Not there at all.
There but nil.
There but false.
There but an empty string.
as well. Hard to say without more details of your precise situation.
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How to uninstall a Windows Service when there is no executable for it left on the system?
How do I uninstall a Windows Service when there is no executable for it left on the system? I can not run installutil -u since there is not executable left on the system. I can still see an entry for the service in the Services console.
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uncaught syntaxerror unexpected token U JSON
...t/javascript">
var jqxhr = $.get( "https://jira.atlassian.com/rest/api/2/project", function() {
alert( "success" );
})
.done(function() {
//insert code to assign the projects from Jira to a div.
jqxhr = jqxhr.responseJSON;
console.l...
How do I POST JSON data with cURL?
...\
--data '{"username":"xyz","password":"xyz"}' \
http://localhost:3000/api/login
(-H is short for --header, -d for --data)
Note that -request POST is optional if you use -d, as the -d flag implies a POST request.
On Windows, things are slightly different. See the comment thread.
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Is there a Newline constant defined in Java like Environment.Newline in C#?
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In Android, call also requires API 19
– Hamzeh Soboh
Apr 12 '15 at 10:31
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Calendar returns wrong month [duplicate]
... /* month of year (0 - 11) */
int tm_year; /* year - 1900 */
This API was copied pretty much exactly into the Java Date class in Java 1.0, and from there mostly intact into the Calendar class in Java 1.1. Sun fixed the most glaring problem when they introduced Calendar – the fact that the...
Are querystring parameters secure in HTTPS (HTTP + SSL)? [duplicate]
...n in the URL. For example:
URLs are stored in web server logs -
typically the whole URL of each
request is stored in a server log.
This means that any sensitive data in
the URL (e.g. a password) is being
saved in clear text on the server
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Create a string with n characters
...o the string.
*/
public String spaces( int spaces ) {
return CharBuffer.allocate( spaces ).toString().replace( '\0', ' ' );
}
Invoke using:
System.out.printf( "[%s]%n", spaces( 10 ) );
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Change app language programmatically in Android
Is it possible to change the language of an app programmatically while still using Android resources?
35 Answers
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Remove Elements from a HashSet while Iterating [duplicate]
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You can manually iterate over the elements of the set:
Iterator<Integer> iterator = set.iterator();
while (iterator.hasNext()) {
Integer element = iterator.next();
if (element % 2 == 0) {
iterator.remove();
}
}...