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What is the order of precedence for CSS?
... TylerH
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answered Aug 3 '14 at 14:49
Lorenz MeyerLorenz Meyer
16.7k20...
The cast to value type 'Int32' failed because the materialized value is null
...where there can be unexpected nulls in different places. ...DefaultIfEmpty(0).Sum(0) can help in this (quite simple) case, where there might be no elements and sql's SUM returns null whereas c# expect 0.
A more general approach is to use ?? which will be translated to COALESCE whenever there is a r...
bower automatically update bower.json
I run the following commands using bower 1.0.0:
1 Answer
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python: Change the scripts working directory to the script's own directory
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208
This will change your current working directory to so that opening relative paths will work:
i...
Is there a faster/shorter way to initialize variables in a Rust struct?
...uct by giving only the non-default values:
let p = cParams { iInsertMax: 10, ..Default::default() };
With some minor changes to your data structure, you can take advantage of an automatically derived default implementation. If you use #[derive(Default)] on a data structure, the compiler will auto...
Weighted random numbers
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1) calculate the sum of all the weights
2) pick a random number that is 0 or greater and is less than the sum of the weights
3) go through the items one at a time, subtracting their weight from your random number, until you get the item where the random number is less than that item's weight
Ps...
How to implement Rate It feature in Android App
... SharedPreferences prefs = mContext.getSharedPreferences("apprater", 0);
if (prefs.getBoolean("dontshowagain", false)) { return ; }
SharedPreferences.Editor editor = prefs.edit();
// Increment launch counter
long launch_count = prefs.getLong("launch_count", 0)...
Filter dict to contain only certain keys?
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706
Constructing a new dict:
dict_you_want = { your_key: old_dict[your_key] for your_key in your_...
Selecting a row in DataGridView programmatically
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130
Not tested, but I think you can do the following:
dataGrid.Rows[index].Selected = true;
or yo...
jQuery show for 5 seconds then hide
...n use .delay() before an animation, like this:
$("#myElem").show().delay(5000).fadeOut();
If it's not an animation, use setTimeout() directly, like this:
$("#myElem").show();
setTimeout(function() { $("#myElem").hide(); }, 5000);
You do the second because .hide() wouldn't normally be on the an...