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Camera access through browser
We are creating an HTML5 website for mobile and need to get camera access through the web browser without being a native app. We are having trouble making this work in iOS. Is anyone aware of a solution for this?
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Make elasticsearch only return certain fields?
... still load the _source document and load fields from there. May impact performance if returned data is relatively small to the size of a whole document.
– Zaar Hai
Aug 18 '13 at 10:19
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Oracle query to fetch column names
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The Oracle equivalent for information_schema.COLUMNS is USER_TAB_COLS for tables owned by the current user, ALL_TAB_COLS or DBA_TAB_COLS for tables owned by all users.
Tablespace is not equivalent to a schema, neither do you have to provide the t...
PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
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After the first foreach loop, $item is still a reference to some value which is also being used by $arr[2]. So each foreach call in the second loop, which does not call by reference, replaces that value, and thus $arr[2], with the new value....
Getting attribute using XPath
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How could I get the value of lang (where lang=eng in book title), for
the first element?
Use:
/*/book[1]/title/@lang
This means:
Select the lang attribute of the title element that is a child of the first book child of the top element of the XML document.
To get just the string val...
How can I maintain fragment state when added to the back stack?
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@ColinM. Any solution for the problem?
– blizzard
Apr 13 '14 at 13:03
9
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Position an element relative to its container
...: relative or position: absolute set on it, then it will act as the parent for positioning coordinates for its children.
To demonstrate:
#container {
position: relative;
border: 1px solid red;
height: 100px;
}
#box {
position: absolute;
top: 50px;
left: 20px;
}
<div ...
how to reset
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@jakerella that's strange, for me, set an input file selector value trigs a Security exception. The only solution I successfully use is $(#myfileselector).trigger('fileselect', [1, ""]);
– fralbo
May 9 '16 at 7:48...
When do you use map vs flatMap in RxJava?
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map transform one event to another.
flatMap transform one event to zero or more event. (this is taken from IntroToRx)
As you want to transform your json to an object, using map should be enough.
Dealing with the FileNotFoundExceptio...
How Pony (ORM) does its tricks?
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>>> from pony.orm.examples.estore import *
>>> select(c for c in Customer if c.country == 'USA').show()
Which will be translated into the following SQL:
SELECT "c"."id", "c"."email", "c"."password", "c"."name", "c"."country", "c"."address"
FROM "Customer" "c"
WHERE "c"."country...