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Remove duplicate values from JS array [duplicate]
... but naïve way
uniqueArray = a.filter(function(item, pos) {
return a.indexOf(item) == pos;
})
Basically, we iterate over the array and, for each element, check if the first position of this element in the array is equal to the current position. Obviously, these two positions are different fo...
How to easily truncate an array with JavaScript?
... I saw this in a code... But it's the best way (if you are truncating from index 0) davidwalsh.name/empty-array
– kumarharsh
Aug 22 '13 at 13:52
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How to remove a column from an existing table?
...requisites to dropping columns. The columns dropped can't be:
Used by an Index
Used by CHECK, FOREIGN KEY, UNIQUE, or PRIMARY KEY constraints
Associated with a DEFAULT
Bound to a rule
If any of the above are true you need to drop those associations first.
Also, it should be noted, that dropping...
mysql update column with value from another table
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@frijj2k would this still be slow if .name is indexed on both tables?
– Steverino
Jan 6 '17 at 17:17
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How to split a string at the first `/` (slash) and surround part of it in a ``?
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Instead of using substring with a fixed index, you'd better use replace :
$("#date").html(function(t){
return t.replace(/^([^\/]*\/)/, '<span>$1</span><br>')
});
One advantage is that it would still work if the first / is at a different pos...
Java ArrayList copy
...nation.size() is at least as big as source.size(), and then copy the range index-by-index using the set(int,E) method. The method doesn't add new elements to the destination. Refer to the source code if it's not clear enough from the Javadoc.
– Radiodef
Aug 3 '...
how to compare two elements in jquery [duplicate]
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@mikeycgto using array index notation is the same as .get(), not .eq(). they are very different.
– Kevin B
Feb 5 '13 at 15:19
2
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How to communicate between iframe and the parent site?
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We can even use window.frames[index] to get child frame (<iframe>, <object>, <frame>), equivalent to getElementsByTagName("iframe")[index].contentWindow. To get Parent Window Object from IFrames, it is better to use window.parent, as win...
Normal arguments vs. keyword arguments
How are "keyword arguments" different from regular arguments? Can't all arguments be passed as name=value instead of using positional syntax?
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Declaring a custom android UI element using XML
...rs, com.android.internal.R.styleable.TextView, defStyle, 0);
int n = a.getIndexCount();
for (int i = 0; i < n; i++)
{
int attr = a.getIndex(i);
// huge switch with pattern value=a.getXXX(attr) <=> a.getXXX(a.getIndex(i))
}
a.recycle();
What we can see here?
obtainStyledAttribute...