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Forward declaration of a typedef in C++
...ch you might miss if the old and the new typedef using types with the same interface.
– math
Jan 27 '11 at 16:34
50
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Move to another EditText when Soft Keyboard Next is clicked on Android
... a given direction. In rare cases, the default algorithm may not match the intended behavior of the developer.
Change default behaviour of directional navigation by using following XML attributes:
android:nextFocusDown="@+id/.."
android:nextFocusLeft="@+id/.."
android:nextFocusRight="@+id/....
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
...ting the resource cleanup code at the end of the function, and all "exit points" of the function would goto the cleanup label. This way, you don't have to write cleanup code at every "exit point" of the function.
Exiting nested loops
If you're in a nested loop and need to break out of all loops, ...
How to parse a query string into a NameValueCollection in .NET
I would like to parse a string such as p1=6&p2=7&p3=8 into a NameValueCollection .
19 Answers
...
Check if a given key already exists in a dictionary and increment it
...on 2.5+). This
from collections import defaultdict
my_dict = defaultdict(int)
my_dict[key] += 1
will do what you want.
For regular Python dicts, if there is no value for a given key, you will not get None when accessing the dict -- a KeyError will be raised. So if you want to use a regular dict...
How to lay out Views in RelativeLayout programmatically?
...d () Added in API level 17. It Generates a value suitable for use in setId(int). This value will not collide with ID values generated at build time by aapt for R.id. Example: tv[l_idx].setId(View.generateViewId());
– AndrewBloom
May 3 '17 at 13:28
...
Executing Batch File in C#
...nd out what's happening:
static void ExecuteCommand(string command)
{
int exitCode;
ProcessStartInfo processInfo;
Process process;
processInfo = new ProcessStartInfo("cmd.exe", "/c " + command);
processInfo.CreateNoWindow = true;
processInfo.UseShellExecute = false;
// ...
Create an empty list in python with certain size
...ate a list.
... s1.append(i)
... return s1
...
>>> print display()
[0, 1, 2, 3, 4, 5, 6, 7, 8]
List comprehension (Using the squares because for range you don't need to do all this, you can just return range(0,9) ):
>>> def display():
... return [x**2 for x in r...
Interfaces — What's the point?
The reason for interfaces truly eludes me. From what I understand, it is kind of a work around for the non-existent multi-inheritance which doesn't exist in C# (or so I was told).
...
Why are interface variables static and final by default?
Why are interface variables static and final by default in Java?
15 Answers
15
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