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What are the differences between poll and select?
...t poll() not being available on BSD still apply? MacOS X (which is partly based on BSD) has poll(), and the POSIX standard (POSIX 2008) requires it.
– Jonathan Leffler
Mar 10 '10 at 20:49
...
What are “Groovy” and “Grails” and what kinds of applications are built using them?
...Grails (previously known as "Groovy on Grails") is a programming framework based on Groovy and inspired by Ruby on Rails (there are differences, but there are lots of similarities too). Like RoR, Grails promotes "coding by convention", development best practices, and is meant to be highly productive...
Convert .pem to .crt and .key
... format. The PEM form is the default format: it consists of the DER format base64 encoded with additional header and footer lines. On input PKCS#8 format private keys are also accepted. The NET form is a format is described in the NOTES section.
-outform DER|NET|PEM
This specifies the output ...
Common MySQL fields and their appropriate data types
I am setting up a very small MySQL database that stores, first name, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as...
In Matlab, when is it optimal to use bsxfun?
...prove the performance.
bsxfun allows you to do just that: create a matrix based on applying an arbitrary operator to all pairs of elements of two vectors, instead of operating explicitly on two matrices obtained by replicating the vectors. That is singleton expansion. You can also think about it as...
Do I encode ampersands in ?
...C 3987 (IRIs, Internationalized Resource Identifiers), on which the WhatWG based its work to define how browsers should behave when they see an URL with non-ASCII characters in it since HTML5. It's therefore now safe to include non-ASCII characters in URLs, percent-encoded or not.
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List View Filter Android
...ply filter to your listview's adapter.
EDIT
To get filter to your custom BaseAdapter you"ll need to implement Filterable interface.
class CustomAdapter extends BaseAdapter implements Filterable {
public View getView(){
...
}
public Integer getCount()
{
...
}
@Ove...
Why are Objective-C delegates usually given the property assign instead of retain?
...ame in a garbage collected environment. I'm mostly concerned with a non-GC based environment (eg: iPhone).
4 Answers
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Clojure differences between Ref, Var, Agent, Atom, with examples
...a and state-b must both be refs If you want the new value in state-a to be based on a consistent combination of the values in a and b. You need that new value to have been calculated in a context where state-a and and state-b where consistent with eachother. When they are both refs, if b changes mid...
Reordering of commits
...
The command you're looking for is git rebase, specifically the -i/--interactive option.
I'm going to assume you want to leave commit c on branch A, and that you really do mean you want to move the other commits to the other branches, rather than merging, since mer...