大约有 46,000 项符合查询结果（耗时：0.0593秒） [XML]
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
...
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.
...
nil detection in Go
... // not nil
or
var config *Config // nil
Then you'll be able to check if
if config == nil {
// then
}
share
|
improve this answer
|
follow
|
...
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:
...
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");
...
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
...
How to find all links / pages on a website
...
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
...
npm check and update package if needed
...
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npm outdated
'outdated' will check every module defined in package.json and see if there is a newer version in the NPM registry.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 ...
Need for predictable random generator
...s, 1 out of 5 hits should be critical. The problem is I got very bad real life results — sometimes players get 3 crits in 5 hits, sometimes none in 15 hits. Battles are rather short (3-10 hits) so it's important to get good random distribution.
...