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Practical non-image based CAPTCHA approaches?
...I'm aware that this method is prone to direct attacks as I've mentioned on my blog. However, it will defend against your average spam bot which blindly submits rubbish to any form it can find.
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List files in local git repo?
I'm using Sparkleshare, which uses Git to sync files between my laptop and my backup server.
3 Answers
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Why does ContentResolver.requestSync not trigger a sync?
...tent-Provider-Sync Adapter pattern as discussed at Google IO - slide 26. My content provider is working, and my sync works when I trigger it from the Dev Tools Sync Tester application, however when I call ContentResolver.requestSync(account, authority, bundle) from my ContentProvider, my sync is n...
Why does struct alignment depend on whether a field type is primitive or user-defined?
...111111 00000000 22222222 00000000
0xe90ed750e0 is the string pointer on my machine (not yours). You can easily see the Int32Wrappers, with the extra 4 bytes of padding that turned the size into 24 bytes. Go back to the struct and put the string last. Repeat and you'll see the string pointer is...
Advantages of using display:inline-block vs float:left in CSS
...ight is trying to accomplish than a float:left or float:right statement. My favorite benefit of the inline-block approach is that it's easy to use vertical-align: middle, line-height and text-align: center to perfectly center the elements, in a way that is intuitive. I found a great blog post on ...
Programmatically retrieve memory usage on iPhone
I'm trying to retrieve the amount of memory my iPhone app is using at anytime, programmatically. Yes I'm aware about ObjectAlloc/Leaks. I'm not interested in those, only to know if it's possible to write some code and get the amount of bytes being used and report it via NSLog.
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How do you use bcrypt for hashing passwords in PHP?
... $this->randomState = microtime();
if (function_exists('getmypid')) {
$this->randomState .= getmypid();
}
}
for ($i = 0; $i < $count; $i += 16) {
$this->randomState = md5(microtime() . $this->randomState);
if (PHP_VERSION &g...
Wait until all jQuery Ajax requests are done?
...json",
data: yourJsonData,
...
});
}
In my opinion, it makes for a clean and clear syntax, and avoids involving any global variables such as ajaxStart and ajaxStop, which could have unwanted side effects as your page develops.
If you don't know in advance how many...
django 1.5 - How to use variables inside static tag
I'm currently migrating all the static files references in my project to the new {% static %} tag that django 1.5 introduced, but I'm having a problem, in some places I use variables to get the content. With the new tag I can't, is there any way to solve this?
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Await on a completed task same as task.Result?
...lly wants to.
The second reason is a little more subtle. As I describe on my blog (and in the book), Result/Wait can cause deadlocks, and can cause even more subtle deadlocks when used in an async method. So, when I'm reading through code and I see a Result or Wait, that's an immediate warning flag...