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In mongoDb, how do you remove an array element by its index?
...n array is not very reliable since mongodb isn't consistent on an elements order as fas as I know.
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Get top 1 row of each group
... cte AS
(
SELECT *,
ROW_NUMBER() OVER (PARTITION BY DocumentID ORDER BY DateCreated DESC) AS rn
FROM DocumentStatusLogs
)
SELECT *
FROM cte
WHERE rn = 1
If you expect 2 entries per day, then this will arbitrarily pick one. To get both entries for a day, use DENSE_RANK instead
As fo...
Detecting taps on attributed text in a UITextView in iOS
... the tweak below. Also, I needed the full attribute dictionary returned in order to determine the resulting action. I would have put this in the comments but don't appear to have the rep to do so. Apologies in advance if I have violated protocol.
Specific tweak is to use textView.textStorage inste...
What is event bubbling and capturing?
...ed a handle for that event. The event propagation mode determines in which order the elements receive the event.
With bubbling, the event is first captured and handled by the innermost element and then propagated to outer elements.
With capturing, the event is first captured by the outermost eleme...
What is the common header format of Python files?
...
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Properties order in Margin
...lly you can specify a single size:
Margin="1"
used for all sides
The order is the same as in WinForms.
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Can I make a pull request on a gist on GitHub?
...t happens.
I recommend instead creating one regular repo called gists and ordering your gists into regular folders.
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How to use PHP OPCache?
...e is compiled by default on PHP5.5+. However it is disabled by default. In order to start using OpCache in PHP5.5+ you will first have to enable it. To do this you would have to do the following.
Add the following line to your php.ini:
zend_extension=/full/path/to/opcache.so (nix)
zend_extension=C...
Convert text into number in MySQL query
... (rows with the same name) but the column is sorted according do character order, i.e.
10 Answers
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How to get CRON to call in the correct PATHs
...
I used /etc/crontab. I used vi and entered in the PATHs I needed into this file and ran it as root. The normal crontab overwrites PATHs that you have set up. A good tutorial on how to do this.
The systemwide cron file looks like thi...