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Practical non-image based CAPTCHA approaches?
...am bot will not support JavaScript and will submit what it sees
If the bot does support JavaScript it will submit the form instantly
The commenter has at least read some of the page before posting
The downside to this method is that it requires JavaScript, and if you don't have JavaScript enabled,...
brew install mysql on macOS
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@CorySimmons does this mean I should use my own name, or root in the whoami part of your commands?
– YPCrumble
Apr 15 '15 at 18:00
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C++ : why bool is 8 bits long?
...t is, it must be possible to retrieve the address of an object. The object doesn't have to store its own address. A char is typically 8 bits wide, enough to store any of 256 characters, but each char also has an address defined by where in memory it is located. That is why you can create a pointer t...
What HTTP status response code should I use if the request is missing a required parameter?
...lling for a 400). A malformed query string seems analogous to this, so 400 doesn't seem appropriate for a well-formed query-string which is missing a param.
UPDATE @DavidV correctly points out that this spec is for WebDAV, not core HTTP. But some popular non-WebDAV APIs are using 422 anyway, for la...
What is the meaning of id?
... the existence of the NSObject protocol as well as the NSProxy class which does not even inherit from NSObject. The compiler will allow you to assign an object referenced by type id to any object type, assign any object type to id, as well as send it any message (that the compiler has seen) without ...
Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
... server changes their HTTPS SSL certificate, and our older version of java doesn’t recognize the root certificate authority (CA).
• If you can access the HTTPS URL in your browser then it is possible to update Java to recognize the root CA.
• In your browser, go to the HTTPS URL that Java coul...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
... and it did not work with a test program in c compiled with gcc -ggdb that does a printf every second. Also cont makes it impossible to run more gdb commands, the command would be detach, then quit.
– Ian Kelling
Feb 27 '09 at 7:11
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Post an empty body to REST API via HttpClient
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Why isn't there any overload methods which does not require a HttpContent class? Should we at least provide something (even an empty string) to make a http post?
– tugberk
Jan 30 '12 at 10:28
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Is there a way to do method overloading in TypeScript?
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According to the specification, TypeScript does support method overloading, but it's quite awkward and includes a lot of manual work checking types of parameters. I think it's mostly because the closest you can get to method overloading in plain JavaScript includes th...
Linear Regression and group by in R
...nside the loop and adding the results of each regression to a vector. That does not seem very R-like, however. In SAS I would do a 'by' statement and in SQL I would do a 'group by'. What's the R way of doing this?
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