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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
...er.AppSettings["blah"]
The square bracket syntax is used in C# to access indexers. These are special properties that allow a class to be indexed in the same way that an array can be. Looking at the definition of the NameValueCollection.Item property, you will notice that it does not use the normal...
jQuery Determine if a matched class has a given id
... //do something with bar
});
I'm glad you solved your problem with index(), what ever works for you.I hope this will help others with the same problem. Cheers :)
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How to show Page Loading div until the page has finished loading?
...on: fixed;
display: block;
opacity: 0.7;
background-color: #fff;
z-index: 99;
text-align: center;
}
#loading-image {
position: absolute;
top: 100px;
left: 240px;
z-index: 100;
}
Then, add this javascript to your page (preferably at the end of your page, before your closing </...
WHERE vs HAVING
...range | value | value | 4 | NULL | 5 | Using where; Using index |
+----+-------------+-------+-------+---------------+-------+---------+------+------+--------------------------+
EXPLAIN SELECT `value` v FROM `table` having `value`>5;
+----+-------------+-------+-------+---------...
The $.param( ) inverse function in JavaScript / jQuery
...if (k.substr(k.length-2) != '[]') // not end with []. cannot use negative index as IE doesn't understand it
hash[k] = v;
else
hash[k.substr(0, k.length-2)] = [v];
// If subsequent entry with this name and not array
} else if (typeof hash[k] === "string") {
hash[...
How does MongoDB sort records when no sort order is specified?
...ll have the same data outcome when oplog updates are applied.
What if an index is used?
If an index is used, documents will be returned in the order they are found (which does necessarily match insertion order or I/O order). If more than one index is used then the order depends internally on whic...
Include another JSP file
...riptlets. It also seems that you're implementing a central controller with index.jsp. You should use a servlet to do that instead, and dispatch to the appropriate JSP from this servlet. Or better, use an existing MVC framework like Stripes or Spring MVC.
...
Binary search (bisection) in Python
...erting or deleting ranges), which are O(1) or O(|range|), given a starting index. If you aren't using those sorts of operations often, then storing as sets, and sorting for display might be a better deal overall. set() incurs very little additional overhead in python.
...
Make copy of an array
...
total number of elements to copy and the source and destination array
index positions. For example System.arraycopy(source, 3, destination,
2, 5) will copy 5 elements from source to destination, beginning from
3rd index of source to 2nd index of destination.
Arrays.copyOf(): If you wan...
Sorting list based on values from another list?
...at, define your own comparison function which compares values based on the indexes of list Y. The end result should be list Y being untouched and list X being changed into the expected solution without ever having to create a temp list.
– Hatefiend
Sep 9 at 5:2...