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Do try/catch blocks hurt performance when exceptions are not thrown?
...guage features to behave correctly, and optimize what we can control (sql, indexes, algorithms).
– Kobi
Aug 22 '09 at 16:13
5
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Too much data with var_dump in symfony2 doctrine2
...o each other, so while displaying entity1 var_dump will also have to print all properties of entity2, which include entity1 itself giving you a loop.
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Rails raw SQL example
... indices won't cause other performance/resource issues, consider adding an index in the DB for payment_details.created_at and for payment_errors.created_at.
If lots of records and not all records need to show up at once, consider using pagination:
https://www.ruby-toolbox.com/categories/paginatio...
Parsing JSON using Json.net
...null) {
char[] charArray = json.ToCharArray();
int index = 0;
object value = ParseValue(charArray, ref index, ref success);
return value;
} else {
return null;
}
}
/// <summary>
/// Converts a Hashtable / ...
Coding in Other (Spoken) Languages
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If I understood well the question actually is: "does every single coder in the world know enough English to use the exact same reserved words as I do?"
Well.. English is not the subject here but programming language reserved words. I mean, when I started about ...
z-index not working with fixed positioning
...t in this case)
Positioned elements (and their children) with negative z-index values (higher values are stacked in front of lower values; elements with the same value are stacked according to appearance in the HTML)
Non-positioned elements (ordered by appearance in the HTML)
Positioned elemen...
How to determine MIME type of file in android?
...g path, Context context) { String extention = path.substring(path.lastIndexOf(".") ); String mimeTypeMap =MimeTypeMap.getFileExtensionFromUrl(extention); String mimeType = MimeTypeMap.getSingleton() .getMimeTypeFromExtension(mimeTypeMap); return mimeType;}
...
What is Full Text Search vs LIKE
...for better recall.
Most full text search implementations use an "inverted index". This is an index where the keys are individual terms, and the associated values are sets of records that contain the term. Full text search is optimized to compute the intersection, union, etc. of these record sets, a...
Get index of element as child relative to parent
...
$("#wizard li").click(function () {
console.log( $(this).index() );
});
However rather than attaching one click handler for each list item it is better (performance wise) to use delegate which would look like this:
$("#wizard").delegate('li', 'click', function () {
console.l...
In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
... @Markus That highly depends: for a loop variable representing an index, i is better than a long variable name. Even more general, shorter variable names that convey the same information, in the same clarity, are always preferable. It’s just that to express the necessary information you n...