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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...his case, map does not actually need the collection to be a list, or being ordered or being sortable or anything like that. The only thing that map cares about is that it can get access to all elements of the collection, one after the other, but in no particular order. And it does not need to know w...
Why do std::shared_ptr work
... it calls that stored function and that will call the deleter.
A simple sketch of the type erasure that is going on simplified with std::function, and avoiding all reference counting and other issues can be seen here:
template <typename T>
void delete_deleter( void * p ) {
delete static_c...
Difference between sh and bash
...e the three-argument for((i=0;i<=3;i++)) loop, += increment assignment, etc. The $'string\nwith\tC\aescapes' feature is tentatively accepted for POSIX (meaning it works in Bash now, but will not yet be supported by sh on systems which only adhere to the current POSIX specification, and likely wil...
Understanding prototypal inheritance in JavaScript
...ALL instances. This means inst1.arr.push['three'], inst2.arr.push['four'], etc., will show up for all instances! Essentially, static behavior that you probably don't want.
You second block defines the fly method in the constructor. This means for every time that it's called, a "method object" will b...
Altering column size in SQL Server
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Why would one omit the close tag?
...ickle of the common headers already sent causes (raw output, BOM, notices, etc.) and their follow-up problems.
PHP actually contains some magic to eat up single linebreaks after the ?> closing token. Albeit that has historic issues, and leaves newcomers still susceptible to flaky editors and una...
How can you use an object's property in a double-quoted string?
...e command's 1st token is a number, variable, statement keyword (if, while, etc), unary operator, {, etc... then the parsing mode is Expression otherwise Argument (up to a command terminator).
– Uber Kluger
Aug 7 at 3:30
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performSelector may cause a leak because its selector is unknown
...re calling. The result could be anything: void, int, char, NSString *, id, etc. ARC normally gets this information from the header of the object type you're working with.3
There are really only 4 things that ARC would consider for the return value:4
Ignore non-object types (void, int, etc)
Retain...
What are Vertex Array Objects?
...er the actions you did, such as activate this attribute, bind that buffer, etc. When you call glBindVertexArray( yourVAOId ), it simply replays those attribute pointer bindings and buffer bindings.
So your next call to draw uses whatever was bound by the VAO.
VAO's don't store vertex data. No. ...
How do you sign a Certificate Signing Request with your Certification Authority?
...Use public key default MD
preserve = no # Keep passed DN ordering
x509_extensions = ca_extensions # The extensions to add to the cert
email_in_dn = no # Don't concat the email in the DN
copy_extensions = copy # Required to copy SANs from CSR to cert
#####...