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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...(1) operation.
BTW: The correct way to do this is to use TryGetValue
obj item;
if(!dict.TryGetValue(name, out item))
return null;
return item;
This accesses the dictionary only once instead of twice.
If you really want to just return null if the key doesn't exist, the above code can be simpl...
How to Remove Array Element and Then Re-Index Array?
...
unset($foo[0]); // remove item at index 0
$foo2 = array_values($foo); // 'reindex' array
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follo...
How to ignore files/directories in TFS for avoiding them to go to central source repository?
...h the web site ASP project type, too.
One way is to add a new or existing item to a project (e.g. right click on project, Add Existing Item or drag and drop from Windows explorer into the solution explorer), let TFS process the file(s) or folder, then undo pending changes on the item(s). TFS will u...
Why should I use 'li' instead of 'div'?
I'm not sure why I need to use ul-li vs simply using divs when listing items. I can make both look exactly the same so where is the functional advantage to creating an unordered list vs lining up divs?
...
How do I define a method in Razor?
...ions {
public static HtmlString OrderedList(IEnumerable<string> items)
{ }
}
So you can call a the function anywhere. Like
@Functions.OrderedList(new[] { "Blue", "Red", "Green" })
However, this same work can be done through helper too. As an example
@helper OrderedList(IEnumerab...
Clear form field after select for jQuery UI Autocomplete
... for false specifically:
if ( false !== self._trigger( "select", event, { item: item } ) ) {
self.element.val( item.value );
}
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Defining Z order of views of RelativeLayout in Android
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You can also put <item type="id" name="<your_id>"/> into a values xml file, and then you can reference it anywhere.
– karl
Mar 21 '13 at 17:58
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Master-master vs master-slave database architecture?
... how your data is to be managed is absolutely fundamental, and there's no "Best Practice" dodging the decisions. You need to understand your particular requirements.
There's a fundamental tension:
One copy: consistency is easy, but if it happens to be down everybody is out of the water, and if peo...
No generic implementation of OrderedDictionary?
...Value(TKey key, TValue value);
KeyValuePair<TKey, TValue> GetItem(int index);
void SetItem(int index, TValue value);
}
}
Here's the implementation along with helper classes:
// http://unlicense.org
using System;
using System.Collections.ObjectModel;
using System.Diagnos...
How to take all but the last element in a sequence using LINQ?
...;T> source) {
var it = source.GetEnumerator();
bool hasRemainingItems = false;
bool isFirst = true;
T item = default(T);
do {
hasRemainingItems = it.MoveNext();
if (hasRemainingItems) {
if (!isFirst) yield return item;
item = it.Current...