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Retrieving Android API version programmatically
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As described in the Android documentation, the SDK level (integer) the phone is running is available in:
android.os.Build.VERSION.SDK_INT
The class corresponding to this int is in the android.os.Build.VERSION_CODES class.
Code example:
if (a...
What's the optimum way of storing an NSDate in NSUserDefaults?
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You are needlessly complicating things. Why are you converting the date to a time interval (then the time interval to a different primitive)? Just [sharedDefaults setObject:theDate forKey:@"theDateKey"] and be done with it. NSDate is one of the "main types" supported by the PL...
Effects of the extern keyword on C functions
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We have two files, foo.c and bar.c.
Here is foo.c
#include <stdio.h>
volatile unsigned int stop_now = 0;
extern void bar_function(void);
int main(void)
{
while (1) {
bar_function();
stop_now = 1;
}
return 0;
}
Now, here is...
Live character count for EditText
...g what the best way to do a live character count of an edit-text box is in Android. I was looking at this but I couldn't seem to make any sense of it.
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SQL Data Reader - handling Null column values
...der.GetString(indexFirstName);
}
That's your only reliable way to detect and handle this situation.
I wrapped those things into extension methods and tend to return a default value if the column is indeed null:
public static string SafeGetString(this SqlDataReader reader, int colIndex)
{
if(!...
How do I generate random integers within a specific range in Java?
How do I generate a random int value in a specific range?
66 Answers
66
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Handling click events on a drawable within an EditText
...left of the screen. You should use event.getX() instead of event.getRawX() and use editText.getWidth() instead of editText.getRight()
– Fletcher Johns
Nov 30 '15 at 11:51
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Getting only Month and Year from SQL DATE
...e, so using the first moment of each month is the standard practice. When converting this DATETIME value to a string (Aaplication Layer, Presentation Layer, Reporting Layer, etc), you can always choose to format it with just the year and month parts. But in terms of "in database" data manipulation...
How to download an entire directory and subdirectories using wget?
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you can also use this command :
wget --mirror -pc --convert-links -P ./your-local-dir/ http://www.your-website.com
so that you get the exact mirror of the website you want to download
share
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What is this weird colon-member (“ : ”) syntax in the constructor?
...mber bar to a value num.
What is the difference between Initializing and Assignment inside a constructor?
Member Initialization:
Foo(int num): bar(num) {};
Member Assignment:
Foo(int num)
{
bar = num;
}
There is a significant difference between Initializing a member using Member in...