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How do I enumerate the properties of a JavaScript object? [duplicate]
...e that brings this up has been subjected to Douglas Crockford's warnings about this, which still confuse me a bit. Again, inheritance is a normal part of OO languages and is therefore part of JavaScript, notwithstanding it being prototypical.
Now, that said, hasOwnProperty() is useful for filtering...
How to add ID property to Html.BeginForm() in asp.net mvc?
...I or documentation for all of the html helpers? For example where do find out what the parameters stand for?
– Zapnologica
Jul 14 '13 at 9:59
2
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Get file size, image width and height before upload
...TER THE DRAW IMAGE!');
//Even if original image is jpeg, getting data out of the canvas will default to png if not specified
var canvasToDtaUrl = cnvs.toDataURL("image/jpeg");
//The type and size of the image in this new IMG tag will be JPEG, and possibly much smaller in size
docume...
How to pass a single object[] to a params object[]
..."1", (object)"2" }));
As an array is a subtype of object, this all works out. Bit of an odd solution though, I'll agree.
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Different ways of adding to Dictionary
...
The performance is almost a 100% identical. You can check this out by opening the class in Reflector.net
This is the This indexer:
public TValue this[TKey key]
{
get
{
int index = this.FindEntry(key);
if (index >= 0)
{
return this.entries[...
How to get the top 10 values in postgresql?
...res
order by score desc
fetch first 10 rows only
As @Raphvanns pointed out, this will give you the first 10 rows literally. To remove duplicate values, you have to select distinct rows, e.g.
select distinct *
from scores
order by score desc
fetch first 10 rows only
SQL Fiddle
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Why does Java have transient fields?
... one has to understand the concept of serialization. If the reader knows about serialization, please skip the first point.
What is serialization?
Serialization is the process of making the object's state persistent. That means the state of the object is converted into a stream of bytes to be used ...
What is the difference between const int*, const int * const, and int const *?
...fixed pointer to a value that can be changed. This is like a reference without the extra syntactic sugar. Because of this fact, usually you would use a reference where you would use a T* const pointer unless you need to allow NULL pointers.
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Turn off spell checking in Eclipse for good
...ight have noticed that another answer lists those same steps and is called out as not answering the question in the comments below. The nuance here is that that setting doesn't disable spell checking, permanently. And, as I commented, if you have something to add to this ancient thread, please post ...
How to convert ActiveRecord results into an array of hashes
...olution, but will now look at using serializable_hash. I just need to find out how to include the class name with each record, same as you might get if you include root in JSON.
– Dom
Jun 13 '13 at 13:42
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