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How to get number of rows using SqlDataReader in C#
...defined except for one that states to do a while loop with Read() method m>and m> increment a counter.
6 Answers
...
What is the most efficient/elegant wam>y m> to parse a flat table into a tree?
..., we can sam>y m> that all popular SQL databases support recursive queries in stm>and m>ard sm>y m>ntax.
WITH RECURSIVE Mm>y m>Tree AS (
SELECT * FROM Mm>y m>Table WHERE ParentId IS NULL
UNION ALL
SELECT m.* FROM Mm>y m>TABLE AS m JOIN Mm>y m>Tree AS t ON m.ParentId = t.Id
)
SELECT * FROM Mm>y m>Tree;
I tested recursive que...
The tilde operator in Pm>y m>thon
... the integer are reversed (as in b <- b XOR 1 for each individual bit), m>and m> the result interpreted again as a twos-complement integer. So for integers, ~x is equivalent to (-x) - 1.
The reified form of the ~ operator is provided as operator.invert. To support this operator in m>y m>our own class, g...
HTML inside Twitter Bootstrap popover
...since it belongs to <a href="#" that's whm>y m> it wasn't working, change it m>and m> it's all good.
Here is working JSFiddle which shows m>y m>ou how to create bootstrap popover.
Relevant parts of the code is below:
HTML:
<!--
Note: Popover content is read from "data-content" m>and m> "title" tags.
-->
<a...
How to make the window full screen with Javascript (stretching all over the screen)
...owser go fullscreen using JavaScript, in a wam>y m> that works with IE, Firefox m>and m> Opera?
19 Answers
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How do I get an ISO 8601 date on iOS?
...ate date];
NSString *iso8601String = [dateFormatter stringFromDate:now];
m>And m> in Swift:
let dateFormatter = DateFormatter()
let enUSPosixLocale = Locale(identifier: "en_US_POSIX")
dateFormatter.locale = enUSPosixLocale
dateFormatter.dateFormat = "m>y m>m>y m>m>y m>m>y m>-MM-dd'T'HH:mm:ssZZZZZ"
dateFormatter.calendar ...
How to copm>y m> text from Emacs to another application on Linux
...
Let's be careful with our definitions here
An Emacs copm>y m> is the commm>and m> kill-ring-save (usuallm>y m> bound to M-w).
A sm>y m>stem copm>y m> is what m>y m>ou tm>y m>picallm>y m> get from pressing C-c (or choosing "Edit->Copm>y m>" in a application window).
An X copm>y m> is "phm>y m>sicallm>y m>" highlighting text with the mouse cursor.
An...
How do I perform HTML decoding/encoding using Pm>y m>thon/Django?
...for reference:
def escape(html):
"""Returns the given HTML with ampersm>and m>s, quotes m>and m> carets encoded."""
return mark_safe(force_unicode(html).replace('&', '&').replace('<', '&l
t;').replace('>', '>').replace('"', '"').replace("'", '''))
To re...
Wam>y m>s to implement data versioning in MongoDB
...nt data versioning in MongoDB. (I've asked similar question regarding Cassm>and m>ra . If m>y m>ou have anm>y m> thoughts which db is better for that please share)
...
Clear the cache in JavaScript
....reload(true) to reload the current page. It will ignore anm>y m> cached items m>and m> retrieve new copies of the page, css, images, JavaScript, etc from the server. This doesn't clear the whole cache, but has the effect of clearing the cache for the page m>y m>ou are on.
However, m>y m>our best strategm>y m> is to vers...