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What is the AppDelegate for and how do I know when to use it?
...he design approach implied by Andrew's use of the term "heart of your application". What I mean by this is that I think you should avoid lumping too many things in a central location -- good program design normally involves separating functionality by "area of concern".
A delegate object is an obje...
Default value of function parameter
...rom a different .cpp file, you will be able to see the difference.
Specifically, suppose:
lib.h
int Add(int a, int b);
lib.cpp
int Add(int a, int b = 3) {
...
}
test.cpp
#include "lib.h"
int main() {
Add(4);
}
The compilation of test.cpp will not see the default parameter declarat...
How do I add a tool tip to a span element?
...
Hi, Can someone clarify if this is standard in some/all HTML flavor?
– Jonathan dos Santos
Mar 20 '13 at 13:34
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What is the default location for MSBuild logs?
I am using Visual Studio Express 2012. Where is the location of the log file? I have searched in the folder where my solution and projects are stored, but cannot find any .log file.
...
What is Android keystore file, and what is it used for?
...
The answer I would provide is that a keystore file is to authenticate yourself to anyone who is asking. It isn't restricted to just signing .apk files, you can use it to store personal certificates, sign data to be transmitted and a whole variety of authentication.
In terms of what you do...
How to undo 'git reset'?
...keeps a log of all ref updates (e.g., checkout, reset, commit, merge). You can view it by typing:
git reflog
Somewhere in this list is the commit that you lost. Let's say you just typed git reset HEAD~ and want to undo it. My reflog looks like this:
$ git reflog
3f6db14 HEAD@{0}: HEAD~: updating...
What is the best way to create constants in Objective-C
...ic to a single class, or does it make sense to have them all over the application?
If they are class-specific, are they for use by clients of the class, or only within the class?
If they are specific and internal to a single class, declare them as static const at the top of the .m file, like so:
...
Is there a benefit to defining a class inside another class in Python?
... ...
class cls2(object):
...
Then from another module, you can import Group and refer to these as Group.cls1, Group.cls2 etc. However one might argue that you can accomplish exactly the same (perhaps in a less confusing way) by using a module.
...
Can jQuery get all CSS styles associated with an element?
...eclaration) {
for (var i in css) {
if ((css[i]).toLowerCase) {
s[(css[i]).toLowerCase()] = (css[css[i]]);
}
}
} else if (typeof css == "string") {
css = css.split("; ");
for (var i in css) {
var l = css[i].split(...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
...ing to figure out how to reference another area of a page with Markdown. I can get it working if I add a
5 Answers
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