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How to change string into QString?
...ng str("hello !");
qDebug() << QVariant(str.c_str()).toString();
int test = 10;
double titi = 5.42;
qDebug() << QVariant(test).toString();
qDebug() << QVariant(titi).toString();
qDebug() << QVariant(titi).toInt();
output
"hello !"
"10"
"5.42"
5
...
Use dynamic variable names in JavaScript
...type from your example, if you have its name in another variable: function test(vname) { var type = 'article'; this[vname] = 'something else'; alert(type); }; test('type') will show article, not something else. And that is what the "complex answer" explains.
– Orafu
...
How can I check for NaN values?
...
The usual way to test for a NaN is to see if it's equal to itself:
def isNaN(num):
return num != num
share
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improve this answer
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Why does the jquery change event not trigger when I set the value of a select using val()?
...x up with default change event you can provide your custom event
$('input.test').on('value_changed', function(e){
console.log('value changed to '+$(this).val());
});
to trigger the event on value set, you can do
$('input.test').val('I am a new value').trigger('value_changed');
...
How can a string be initialized using “ ”?
...eral.
But you should keep in mind the string equality.
Here a short JUnit test to demonstrate what I mean.
@Test
public void stringTest() {
// a string literal and a string object created
// with the same literal are equal
assertEquals("string", new String("string"));...
How to turn off INFO logging in Spark?
...
Inspired by the pyspark/tests.py I did
def quiet_logs(sc):
logger = sc._jvm.org.apache.log4j
logger.LogManager.getLogger("org"). setLevel( logger.Level.ERROR )
logger.LogManager.getLogger("akka").setLevel( logger.Level.ERROR )
Calling...
Are HTTP headers case-sensitive?
...
I meant a concrete test case; I do have an IE to test with.
– Julian Reschke
May 6 '16 at 21:28
11
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How to access the request body when POSTing using Node.js and Express?
...app.post('/', function(req, res){
console.dir(req.body);
res.send("test");
});
app.listen(3000);
This other question might also help: How to receive JSON in express node.js POST request?
If you don't want to use the bodyParser check out this other question: https://stackoverflow.com/a/9...
What is “missing” in the Visual Studio 2008 Express Editions?
...imited set of designers
Limited set of database tools
No code profiling or test framework support
No MFC/ATL support
No support for compiling C++ to 64-bit images (workaround is to install Windows SDK which is free)
NOTE: it is often said that the Express EULA does not permit commercial developmen...
Is there any sed like utility for cmd.exe? [closed]
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@and-bri (Get-Content c:\temp\test.txt).replace('[MYID]', 'MyValue') | Set-Content c:\temp\test.txt
– AFP_555
May 3 '19 at 15:44
...