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How to get the insert ID in JDBC?
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If it is an auto generated key, then you can use Statement#getGeneratedKeys() for this. You need to call it on the same Statement as the one being used for the INSERT. You first need to create the statement using Statement.RE...
Decimal separator comma (',') with numberDecimal inputType in EditText
...public void afterTextChanged(Editable s) {
double doubleValue = 0;
if (s != null) {
try {
doubleValue = Double.parseDouble(s.toString().replace(',', '.'));
} catch (NumberFormatException e) {
//Error
}
}
//Do something with doubleValue
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nil detection in Go
... // not nil
or
var config *Config // nil
Then you'll be able to check if
if config == nil {
// then
}
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What method in the String class returns only the first N characters?
I'd like to write an extension method to the String class so that if the input string to is longer than the provided length N , only the first N characters are to be displayed.
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How to output a comma delimited list in jinja python template?
If I have a list of users say ["Sam", "Bob", "Joe"] , I want to do something where I can output in my jinja template file:
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How do I get extra data from intent on Android?
...our activity using the getIntent() method:
Intent intent = getIntent();
If your extra data is represented as strings, then you can use intent.getStringExtra(String name) method. In your case:
String id = intent.getStringExtra("id");
String name = intent.getStringExtra("name");
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Best way to work with transactions in MS SQL Server Management Studio
... some T-SQL queries here.
Rollback transaction -- OR commit transaction
If you want to incorporate error handling you can do so by using a TRY...CATCH BLOCK. Should an error occur you can then rollback the tranasction within the catch block.
For example:
USE AdventureWorks;
GO
BEGIN TRANSACTION...
Is it unnecessary to put super() in constructor?
Isn't this one automatically put by the compiler if I don't put it in a subclass's constructor?
6 Answers
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How to find all links / pages on a website
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how do I do that myself? and what if there is no robots.txt in a web site?
– Alan Coromano
Jul 30 '13 at 17:15
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npm check and update package if needed
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To check if any module in a project is 'old':
npm outdated
'outdated' will check every module defined in package.json and see if there is a newer version in the NPM registry.
For example, say xml2js 0.2.6 (located in node_modules ...