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“Cloning” row or column vectors
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answered Oct 11 '09 at 7:59
PeterPeter
108k4646 gold badges166166 silver badges203203 bronze badges
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Why doesn't std::queue::pop return value.?
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107
So, whats the difference, pop function could have done the same thing.
It could indeed hav...
Delete with Join in MySQL
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+50
You just need to specify that you want to delete the entries from the posts table:
DELETE posts
FROM posts
INNER JOIN projects ON pro...
How do you get the Git repository's name in some Git repository?
... edited Aug 2 '18 at 22:19
user803968
1822 bronze badges
answered Mar 30 '13 at 7:09
Fuad SaudFuad Saud
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How to save an HTML5 Canvas as an image on a server?
...n from canvas tutorial)
<canvas id="myCanvas" width="578" height="200"></canvas>
<script>
var canvas = document.getElementById('myCanvas');
var context = canvas.getContext('2d');
// begin custom shape
context.beginPath();
context.moveTo(170, 80);
context.bezierCur...
UITextView that expands to text using auto layout
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30
The view containing UITextView will be assigned its size with setBounds by AutoLayout. So, this ...
Presenting a UIAlertController properly on an iPad using iOS 8
With iOS 8.0, Apple introduced UIAlertController to replace UIActionSheet . Unfortunately, Apple didn't add any information on how to present it. I found an entry about it on hayaGeek's blog, however, it doesn't seem to work on iPad. The view is totally misplaced:
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What goes into the “Controller” in “MVC”?
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edited Aug 23 '10 at 18:47
answered Jun 19 '09 at 0:16
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Is “else if” a single keyword?
...t i;
}
So how is your slightly extended example parsed?
if
statement_0;
else
if
statement_1;
else
if
statement_2 ;
will be parsed like this:
if
{
statement_0;
}
else
{
if
{
statement_1;
}
else
{
if
{
statement_2 ;
...
How can one check to see if a remote file exists using PHP?
...$ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcode >= 400 -> not found, $retcode = 200, found.
curl_close($ch);
Anyway, you only save the cost of the HTTP transfer, not the TCP connection establishment and closing. And being favicons small, you might not see much improvement...