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How to delete migration files in Rails 3
I would like to remove/delete a migration file. How would I go about doing that? I know there are similar questions on here but as an update, is there a better way than doing script/destroy?
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How does the NSAutoreleasePool autorelease pool work?
... I understand it, anything created with an alloc , new , or copy needs to be manually released. For example:
7 Answers
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css transform, jagged edges in chrome
I've been using CSS3 transform to rotate images and textboxes with borders in my website.
11 Answers
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What is Cache-Control: private?
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To answer your question about why caching is working, even though the web-server didn't include the headers:
Expires: [a date]
Cache-Control: max-age=[seconds]
The server kindly asked any intermediate proxies to not cache...
How to format a Java string with leading zero?
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In case you have to do it without the help of a library:
("00000000" + "Apple").substring("Apple".length())
(Works, as long as your String isn't longer than 8 chars.)
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How to debug Spring Boot application with Eclipse?
My Spring Boot webapp is running just fine, and I'd like to debug it through Eclipse.
13 Answers
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Can I restore a single table from a full mysql mysqldump file?
...l database consisting of all of our tables which is about 440 megs. I want to restore the contents of just one of the tables from the mysqldump. Is this possible? Theoretically, I could just cut out the section that rebuilds the table I want but I don't even know how to effectively edit a text docum...
What exactly is nullptr?
...nter constant, and that an integral null pointer constant can be converted to std::nullptr_t. The opposite direction is not allowed. This allows overloading a function for both pointers and integers, and passing nullptr to select the pointer version. Passing NULL or 0 would confusingly select the in...
How do I convert an integer to binary in JavaScript?
I’d like to see integers, positive or negative, in binary.
13 Answers
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Java: how to initialize String[]?
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You need to initialize errorSoon, as indicated by the error message, you have only declared it.
String[] errorSoon; // <--declared statement
String[] errorSoon = new String[100]; // <--initialized statement
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