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Why is it wrong to use std::auto_ptr with standard containers?
...lement must be able to be assigned or copied and the two elements are logically independent. std::auto_ptr does not fulfill this requirement.
Take for example this code:
class X
{
};
std::vector<std::auto_ptr<X> > vecX;
vecX.push_back(new X);
std::auto_ptr<X> pX = vecX[0]; // ...
Is there a better alternative than this to 'switch on type'?
...Text = "Not sure what is hovered over"));
The code for TypeSwitch is actually pretty small and can easily be put into your project.
static class TypeSwitch {
public class CaseInfo {
public bool IsDefault { get; set; }
public Type Target { get; set; }
public Action<o...
How to calculate md5 hash of a file using javascript
...there are JS implementations of the MD5 algorithm, older browsers are generally unable to read files from the local filesystem.
I wrote that in 2009. So what about new browsers?
With a browser that supports the FileAPI, you *can * read the contents of a file - the user has to have selected it, eit...
Can an input field have two labels?
...
It's really more of a usability/accessibility question then the HTML. The html works.
– aslum
May 13 '10 at 20:35
...
Checking oracle sid and database name
...s, you can also use ORA_DATABASE_NAME.
It might be worth noting that not all of the methods give you the same output:
SQL> select sys_context('userenv','db_name') from dual;
SYS_CONTEXT('USERENV','DB_NAME')
--------------------------------------------------------------------------------
orcl
...
Which UUID version to use?
... true, than you have a very GOOD chance of two machines in the world eventually creating the same "UUID"v4 (quotes because there isn't a mechanism for guaranteeing U.niversal U.niqueness). In that situation, I don't think that algorithm belongs in a RFC describing methods for generating unique valu...
How to retrieve a single file from a specific revision in Git?
... out of the output and used as an argument to git-cat-file, which should really be called git-cat-object, and simply dumps that object to stdout.
Note: since Git 2.11 (Q4 2016), you can apply a content filter to the git cat-file output.
See
commit 3214594,
commit 7bcf341 (09 Sep 2016),
commit 7bcf3...
How do I output raw html when using RazorEngine (NOT from MVC)
...one through sanitation so I am not worried in that regard, however when I call:
6 Answers
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WPF TemplateBinding vs RelativeSource TemplatedParent
... at compile time against the type specified in the control template. This allows for much faster instantiation of compiled templates. Just fumble the name in a templatebinding and you'll see that the compiler will flag it.
The binding markup is resolved at runtime. While slower to execute, the...
Revert the `--no-site-packages` option with virtualenv
I have created a virtualenv using the --no-site-packages option and installed lots of libraries. Now I would like to revert the --no-site-packages option and use also the global packages.
...