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How to force a web browser NOT to cache images
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I use PHP's file modified time function, for example:
echo <img src='Images/image.png?" . filemtime('Images/image.png') . "' />";
If you change the image then the new image is used rather than the cached one, due to havi...
Is Meyers' implementation of the Singleton pattern thread safe?
...ifetime and threadsafety) by Alexandrescu in Modern C++ Design. See Loki's site: loki-lib.sourceforge.net/index.php?n=Pattern.Singleton
– Matthieu M.
Nov 2 '09 at 14:57
1
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Does Django scale? [closed]
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"What are the largest sites built on Django today?"
There isn't any single place that collects information about traffic on Django built sites, so I'll have to take a stab at it using data from various locations. First, we have a list of Django ...
Formatting a number with leading zeros in PHP [duplicate]
... from the page linked above, here's a sample "zero-padded integers":
<?php
$isodate = sprintf("%04d-%02d-%02d", $year, $month, $day);
?>
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Python Requests and persistent sessions
...Python 2.5).
I have figured out how to submit data to a login form on a website and retrieve the session key, but I can't see an obvious way to use this session key in subsequent requests.
Can someone fill in the ellipsis in the code below or suggest another approach?
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PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
... Please, take a look at mb_detect_encoding source code in your php distro (somewhere here: ext/mbstring/libmbfl/mbfl/mbfl_ident.c). This function does not work properly at all. For some encodings it even has "return true", lol. Others are in Ctrl+c Ctrl+v functions. That's because you ca...
Browser statistics on JavaScript disabled [closed]
...sible to allow for non-javascript enabled content for every aspect of a website, plus provide the optimal experience - but the budget is going to sky-rocket for the build.
There's some seriously awesome stuff going down with Javascript which actually makes sites far more accessible! - where do we ...
PHP Timestamp into DateTime
...romFormat('U', $timeStamp);
Where 'U' means Unix epoch. See docs: http://php.net/manual/en/datetime.createfromformat.php
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What is the http-header “X-XSS-Protection”?
...any of the suspiciously-looking parameters that the browser sends to a website come back in the response decoded. For example, if a user clicks on attack-me.com/… (which is "><script>alert('XSS')</script>, and receives as a result a page containing that script, IE will prevent that...
File upload progress bar with jQuery
...responseText);
}
});
});
html:
<form action="file-echo2.php" method="post" enctype="multipart/form-data">
<input type="file" name="myfile"><br>
<input type="submit" value="Upload File to Server">
</form>
<div class="progress">
<div ...