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The difference between the Runnable and Callable interfaces in Java
...le : If you are trying to retrieve a value from a task, then use Callable. Now callable on its own will not do the job. You will need a Future that you wrap around your Callable and get your values on future.get (). Here the calling thread will be blocked till the Future comes back with results whic...
How to move all files including hidden files into parent directory via *
... "Just ignore the warning" may not always be a good idea. Right now I'm having a problem with a script in which I need to stop execution if any step fails - since this solution always causes an error, it kills my script. I need a way to determine if the mv command failed or not...
...
Serializing with Jackson (JSON) - getting “No serializer found”?
...erialize that class, the SomeString field needs to either be public (right now it's package level isolation) or you need to define getter and setter methods for it.
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Import CSV file into SQL Server
...alesData.NewRow();
dailyProductSalesRow["SaleDate"] = DateTime.Now.Date;
dailyProductSalesRow["ProductName"] = "Nike";
dailyProductSalesRow["TotalSales"] = 10;
// Add the row to the ProductSalesData DataTable
prodSalesData.Rows.Add(dailyPr...
What does pythonic mean? [closed]
...ight use
for i in (i; i < items.length ; i++)
{
n = items[i];
... now do something
}
In Python we can try and replicate this using while loops but it would be cleaner to use
for i in items:
i.perform_action()
Or, even a generator expression
(i.some_attribute for i in items)
So ...
Opposite of push(); [duplicate]
...
can splice get me a better job right now?
– Bradyo
Apr 29 at 4:41
...
Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s
...low access by clicking the continue button.
And that's it. Here you go. Now you will be able to login from any of the computer and by any means of app to your google account.
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onKeyPress Vs. onKeyUp and onKeyDown
...
This is of critical importance if you are doing something that relies on knowing the new value after the input rather than the current value such as inline validation or auto tabbing.
Scenario:
The user types 12345 into an input element.
The user selects the text 12345.
The user types the letter...
Django: multiple models in one template using forms [closed]
...u have Forms A, B, and C. You print out each of the forms and the page and now you need to handle the POST.
if request.POST():
a_valid = formA.is_valid()
b_valid = formB.is_valid()
c_valid = formC.is_valid()
# we do this since 'and' short circuits and we want to check to whole page ...
Checking if a double (or float) is NaN in C++
... it's commonly used to defend the design, in a circular argument (i don't know if you intended to associate to that, but worth knowing about -- it's flame war stuff). your conclusion that x != x is valid without that option does not follow logically. it might be true for a particular version of g++,...