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Android: Access child views from a ListView
.../ Say, first visible position is 8, you want position 10, wantedChild will now be 2
// So that means your view is child #2 in the ViewGroup:
if (wantedChild < 0 || wantedChild >= listView.getChildCount()) {
Log.w(TAG, "Unable to get view for desired position, because it's not being displayed...
How to avoid the “divide by zero” error in SQL?
... a much nicer way of doing it:
Select dividend / NULLIF(divisor, 0) ...
Now the only problem is to remember the NullIf bit, if I use the "/" key.
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What is the syntax for an inner join in LINQ to SQL?
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thank you, from now on i will use sensible names as best practise which makes sense in linq , instead of from c or from t1
– shaijut
Jan 14 '16 at 7:26
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How to check if hex color is “too black”?
...t; 40) {
// pick a different colour
}
EDIT
Since May 2014 tinycolor now has a getBrightness() function, albeit using the CCIR601 weighting factors instead of the ITU-R ones above.
EDIT
The resulting luma value range is 0..255, where 0 is the darkest and 255 is the lightest. Values greater t...
Copy and paste content from one file to another file in vi
...d I need to copy a few lines from one file and paste into another file. I know how to copy (yy) and paste (p) in the same file. But that doesn't work for different files. How is this done?
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How to change maven logging level to display only warning and errors?
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This answer is OBSOLETE as of now - a) repo URL has changed, b) there is no INFO level statement in this code, c) diff URL doesn't work.
– Greg Dubicki
Mar 5 '15 at 9:39
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How to export and import a .sql file from command line with options? [duplicate]
...e will be available in the same directory where you had ran this command.
Now login to mysql using command,
mysql -u[username] -p
then use "source" command with the file path.
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How do I define a method in Razor?
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Georgi, you may have come across this by now ... but for reusing <code>@functions</code> or <code>@helper</code> Razor options you can use a file such as Shared.cshtml in your App_Code folder. In there you can define <code>@functions {}...
What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
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@Pacerier incorrect assumption. JDBC does not know which driver you want to load, so there's nothing in JDBC (which is driver-agnostic) that knows to refer to the driver class. So you need something which triggers a class load. I suppose that a static method would work in...
What is the purpose of flush() in Java streams?
...ust Flush It. Calls to writer.flush() say, "send whatever's in the buffer, now!
reference book: https://www.amazon.com/Head-First-Java-Kathy-Sierra/dp/0596009208
pages:453
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