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C++ Redefinition Header Files (winsock2.h)
...ing header files twice? The problem is I'm including the in MyClass.h and then I'm including MyClass.h in many files, so it includes multiple times and redefinition error occurs. How to prevent?
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How do I join two SQLite tables in my Android application?
I have an Android project that has a database with two tables: tbl_question and tbl_alternative .
4 Answers
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SQL SELECT speed int vs varchar
I'm in the process of creating a table and it made me wonder.
9 Answers
9
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Many-to-many relationship with the same model in rails?
...documentation on the subject. There's a section called “Many-to-many”, and of course the documentation on the class methods themselves.
Simplest scenario, uni-directional, no additional fields
This is the most compact in code.
I'll start out with this basic schema for your posts:
create_tabl...
Get current URL with jQuery?
I am using jQuery. How do I get the path of the current URL and assign it to a variable?
32 Answers
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Operator overloading in Java
... aspect of Java which comes close to "custom" operator overloading is the handling of + for strings, which either results in compile-time concatenation of constants or execution-time concatenation using StringBuilder/StringBuffer. You can't define your own operators which act in the same way though....
Why are interface variables static and final by default?
Why are interface variables static and final by default in Java?
15 Answers
15
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Split array into chunks
...his answer):
More efficient method:
// refresh page if experimenting and you already defined Array.prototype.chunk
Object.defineProperty(Array.prototype, 'chunk', {
value: function(chunkSize) {
var R = [];
for (var i = 0; i < this.length; i += chunkSize)
R.push(this.s...
Can I restore deleted files (undo a `git clean -fdx`)?
I was following the instructions on making github pages , and forgot to move down into my git sub directory. As a result, I just nuked an entire directory of documents with git clean -fdx .
Is there any way I can undo this terrible mistake?
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How to test if a string is basically an integer in quotes using Ruby
...!!(str =~ /^[-+]?[0-9]+$/) would do that. Then you could add it to String and leave out the argument, using "self" instead of "str", and then you could change the name to "is_i?" ...
– janm
Aug 5 '09 at 22:16
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