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What does && mean in void *p = &&abc;
...ain you what an address of a label means.
After the OS loads the .exe file from the disk, a component of the operating system called "the loader" (windows has the "PE Loader", linux has "ELF loader" or maybe even others, if they're compiled in the kernel), it does a "virtualization" of that program,...
What is the Difference Between Mercurial and Git?
...(changesets) which make up the history. Each changeset knows where it came from (the parent changeset) and can have many child changesets. The recent hg-git extension provides a two-way bridge between Mercurial and Git and sort of shows this point.
Git has a strong focus on mutating this history gr...
When should the volatile keyword be used in C#?
...rantee that every processor stops what it
is doing and updates caches to/from main memory. Rather, they provide
weaker guarantees about how memory accesses before and after reads and
writes may be observed to be ordered with respect to each other.
Certain operations such as creating a new th...
How to check command line parameter in “.bat” file?
... of the double quotes, but a display of a neat feature of stripping quotes from the argument variable, if the first and last character is a double quote.
This "technology" works just as well with square brackets:
if [%~1]==[] (...)
It was a useful thing to point this out, so I also upvote the ne...
How to install both Python 2.x and Python 3.x in Windows
...ed Python 2.7.6.
How to...
Start > in the search type in environment select "Edit environment variables to your account"1
Scroll down to Path, select path, click edit.
Add C:\Python27;
so you should have paths to both versions of Python there, but if you don't this you can easily edit it so th...
How to customize the background/border colors of a grouped table view cell?
...
One thing I ran into with the above CustomCellBackgroundView code from Mike Akers which might be useful to others:
cell.backgroundView doesn't get automatically redrawn when cells are reused, and changes to the backgroundView's position var don't affect reused cells. That means long tables...
Using Phonegap for Native Application development [closed]
...time
having access to native features on phone. Also the code is portable from Android to Iphone with some effort. Before I plunge into it I want to know what is forum's experience with Phonegap. What are the pain points and is it really scalable for enterprise level application development.
...
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... }
location ~ \.php$ {
set $cache_key $request_method://$host$request_uri;
set $cache_bypass "1";
if ($arg_failover = "1") {
set $cache_bypass "0";
}
try_files $uri =404;
include fastcgi.conf;
fastcgi_pass ph...
Combine :after with :hover
I want to combine :after with :hover in CSS (or any other pseudo selector). I basically have a list and the item with the selected class has an arrow shape applied using :after . I want the same to be true for objects that are being hovered over but cant quite get it to work. Heres the cod...
C# switch statement limitations - why?
...values of switch labels are distinct (so that only one switch block can be selected for a given switch-expression)
Consider this code example in the hypothetical case that non-constant case values were allowed:
void DoIt()
{
String foo = "bar";
Switch(foo, foo);
}
void Switch(String val1...