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Assignment in an if statement
...imals)
{
{ // <-- scopes the existence of critter to this block
Dog critter;
if (null != (critter = animal as Dog))
{
critter.Name = "Scopey";
// ...
}
}
{
Duck critter;
...
Rails: Open link in new tab (with 'link_to')
...ook"), "http://www.facebook.com/mypage", target: :_blank %>
Or with a block:
<%= link_to "http://www.facebook.com/mypage", target: :_blank do %>
<%= image_tag("facebook.png", class: :facebook_icon, alt: "Facebook") %>
<% end %>
...
Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
...loop condition to be a boolean, such as while (true) or while (1 == 1). In PHP, keywords are case-insensitive but the language prefers the capitalization TRUE.
However, for (;;) is always completely correct in all of those languages.
...
Mismatch Detected for 'RuntimeLibrary'
...'s view, some random object that a standard function returns to it (e.g. a block of memory or an iterator or a FILE object or whatever) has some specific size and layout (remember that structure layout is determined and fixed at compile time in C/C++.) For any of several reasons, B's idea of the siz...
Get average color of image via Javascript
...ogle it.
I have accomplished the above execution in RGB color space using PHP/GD here: https://gist.github.com/cf23f8bddb307ad4abd8
This however is very computationally expensive. It will crash your system on large images, and will definitely crash your browser if you try it in the client. I have ...
Google OAuth 2 authorization - Error: redirect_uri_mismatch
... to set 'oauth2_redirect_uri' => 'postmessage' in the google API config.php file.
– user2998553
Jun 22 '14 at 18:50
4
...
Render HTML to PDF in Django site
...
</div>
<div id="footerContent">
{%block page_foot%}
Page <pdf:pagenumber>
{%endblock%}
</div>
</body>
</html>
Hope it helps.
...
Best way to obfuscate an e-mail address on a website?
...V4YW1wbGUuY29t')">E-Mail</a>
Or dynamically server-side e.g. in PHP:
<a href="javascript:window.location.href=atob('<?= base64_encode("mailto:email@example.com") ?>')">E-Mail</a>
In combination with string reversion it could be pretty spam-save:
<a href="javascrip...
TypeScript type signatures for functions with variable argument counts
...uses the ECMAScript 6 spread proposal,
http://wiki.ecmascript.org/doku.php?id=harmony:spread
but adds type annotations so this would look like,
interface Example {
func(...args: any[]): void;
}
share
|
...
Are there any cases when it's preferable to use a plain old Thread object instead of one of the newe
...our use of locks and signals to ensure that the queue is kept safe without blocking the other thread for a long time.
– Eric Lippert
Mar 28 '12 at 14:54
...