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Rails auto-assigning id that already exists
...set_pk_sequence!(t)
end
I found the reset_pk_sequence! from this thread. http://www.ruby-forum.com/topic/64428
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How do you remove duplicates from a list whilst preserving order?
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Here you have some alternatives: http://www.peterbe.com/plog/uniqifiers-benchmark
Fastest one:
def f7(seq):
seen = set()
seen_add = seen.add
return [x for x in seq if not (x in seen or seen_add(x))]
Why assign seen.add to seen_add instead of ...
Using querySelector with IDs that are numbers
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It is valid, but requires some special handling. From here: http://mathiasbynens.be/notes/css-escapes
Leading digits
If the first character of an identifier is numeric, you’ll need to escape it based on its Unicode code point. For example, the code point for the character 1...
Web deployment task build failed
...the new passwords.
A full explanation with screenshots can be found here: http://workinghardinit.wordpress.com/2011/07/18/wdeployconfigwriter-account-issues-trouble-shooting-web-deploy-2-0-with-lessons-learned/
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How do I exclude all instances of a transitive dependency when using Gradle?
...ndency (I haven't ever noticed that when using them), please file a bug at http://forums.gradle.org, ideally with a reproducible example.
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How to declare a global variable in JavaScript?
...hat the rest of your functions can access. Here is a live example for you: http://jsfiddle.net/fxCE9/
var myVariable = 'Hello';
alert('value: ' + myVariable);
myFunction1();
alert('value: ' + myVariable);
myFunction2();
alert('value: ' + myVariable);
function myFunction1() {
myVariable = 'Hel...
Show a PDF files in users browser via PHP/Perl
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$url ="https://yourFile.pdf";
$content = file_get_contents($url);
header('Content-Type: application/pdf');
header('Content-Length: ' . strlen($content));
header('Content-Disposition: inline; filename="YourFileName.p...
Django Rest Framework File Upload
...h uploaded file
# ...
return Response(up_file.name, status.HTTP_201_CREATED)
urls.py
urlpatterns = patterns('',
url(r'^imageUpload', views.FileUploadView.as_view())
curl request to upload
curl -X POST -S -H -u "admin:password" -F "file=@img.jpg;type=image/jpg" 127.0.0.1:8000/r...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
... Killer's website is now taken down, apparently under legal pressure. See http://captcha.org/ for a complete overview of the topic.
And yeah, OCR is not the best way to break a CAPTCHA protected site - there are many other better ways.
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What are the options for storing hierarchical data in a relational database? [closed]
...read about the new method and get a copy of the code at the following URL.
http://www.sqlservercentral.com/articles/Hierarchy/94040/
I also developed a "pre-aggregated" hierarchy using similar methods. MLM'ers and people making bills of materials will be particularly interested in this article.
ht...