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Application not picking up .css file (flask/python)
...
You need to have a 'static' folder setup (for css/js files) unless you specifically override it during Flask initialization. I am assuming you did not override it.
Your directory structure for css should be like:
/app
- app_runner.py
/services
- ap...
Using $_POST to get select option value from HTML
...OST['taskOption'];.
Make sure to check if it exists in the $_POST array before proceeding though.
<form method="post" action="process.php">
<select name="taskOption">
<option value="first">First</option>
<option value="second">Second</option>
<o...
How does type Dynamic work and how to use it?
...r interface - the concrete implementation is filled-in by the compiler. As for Scalas String Interpolation feature there are well defined rules describing the generated implementation. In fact, one can implement four different methods:
selectDynamic - allows to write field accessors: foo.bar
updat...
Adding Core Data to existing iPhone project
...y import the header in the files you need them.
So open up Xcode and look for some file like App_Prefix.pch, by default it's in the Other Sources group. After the UIKit import statement, add the following line:
#import <CoreData/CoreData.h>
And you should be ready to go.
Xcode 4
For proj...
I want to get the type of a variable at runtime
...variable" is always present, and can be passed around as a type parameter. For example:
val x = 5
def f[T](v: T) = v
f(x) // T is Int, the type of x
But depending on what you want to do, that won't help you. For instance, may want not to know what is the type of the variable, but to know if the t...
Swift Programming: getter/setter in stored property
...is this:
var rank: Int = 0 {
didSet {
// Say 1000 is not good for you and 999 is the maximum you want to be stored there
if rank >= 1000 {
rank = 999
}
}
}
share
|
...
Python loop that also accesses previous and next values
...ld do the trick.
foo = somevalue
previous = next_ = None
l = len(objects)
for index, obj in enumerate(objects):
if obj == foo:
if index > 0:
previous = objects[index - 1]
if index < (l - 1):
next_ = objects[index + 1]
Here's the docs on the enumer...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...irectory it uses) - in my case, listener.ora in that directory contained information pertaining to an old database instance that i had uninstalled - quick and dirty way was to copy the entire contents of listener.ora from my current installation of Oracle Express, to that other directory that listen...
Is the C# static constructor thread safe?
... constructors are guaranteed to be run only once per application domain, before any instances of a class are created or any static members are accessed. https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/classes-and-structs/static-constructors
The implementation shown is thread safe f...
How to create a DataTable in C# and how to add rows?
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Don't forget to call dt.AcceptChanges() in case you use DataView with filter other than CurrentRows.
– Salamander2007
Jun 25 '09 at 7:44
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