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Precedence and bitmask operations
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You are actually doing this:
var_dump(0b10 & (0b01 == 0));
var_dump(0b10 & (0b01 != 0));
Try:
var_dump((0b10 & 0b01) == 0);
var_dump((0b10 & 0b01) != 0);
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HMAC-SHA1 in bash
...ution, but mainly to prove that the results are the same, we can also call PHP's hmac_sha1() from the command line:
[me@home]$ echo '<?= hash_hmac("sha1", "value", "key") ?>' | php
57443a4c052350a44638835d64fd66822f813319
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Tainted canvases may not be exported
... likely on your local drive!).
While testing try these workarounds:
Put all page related files (.html, .jpg, .js, .css, etc) on your desktop (not in sub-folders).
Post your images to a site that supports cross-domain sharing (like dropbox.com). Be sure you put your images in dropbox's public fol...
Rails params explained?
...e "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's browser requested
http://w...
What does enctype='multipart/form-data' mean?
...of the URL.
multipart/form-data is significantly more complicated but it allows entire files to be included in the data. An example of the result can be found in the HTML 4 specification.
text/plain is introduced by HTML 5 and is useful only for debugging — from the spec: They are not reliably...
Preventing an image from being draggable or selectable without using JS
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Worked on all browsers.
– Milad Abooali
Aug 21 '15 at 3:16
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How do I iterate through table rows and cells in JavaScript?
... For those (coming here through google) needing a simple and small shim for table.cells (to patch up some older/IE-oriented code), see my answer to Q: Does Firefox browser not recognize table.cells?
– GitaarLAB
May 19 '14 at 5:42
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Sort an Array by keys based on another Array?
...to be sorted')
ps - I'm answering this 'stale' question, because I think all the loops given as previous answers are overkill.
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Remove Server Response Header IIS7
...stem.webServer. Beware, this will crash your site if UrlRewrite is not installed on the server. And you'd better use the IIS configuration console first to check how it write down those config nodes.
– Frédéric
Sep 4 '15 at 19:31
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Why JSF calls getters multiple times
...e getter method behind the expression is executed everytime when the code calls ValueExpression#getValue().
This will normally be invoked one or two times per JSF request-response cycle, depending on whether the component is an input or output component (learn it here). However, this count can get ...