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How to change a module variable from another module?
... change that.
This is one of the dangers of using the from foo import bar form of the import statement: it splits bar into two symbols, one visible globally from within foo which starts off pointing to the original value and a different symbol visible in the scope where the import statement is exec...
What is the difference between URI, URL and URN? [duplicate]
...
Uniform Resource Identifier (URI) is a string of characters used to identify a name or a resource on the Internet
A URI identifies a resource either by location, or a name, or both. A URI has two specializations known as URL an...
Is it possible to style a select box? [closed]
... decent way to do this. It's cross-browser,degradable, and doesn't break a form post. First set the select box's opacity to 0.
.select {
opacity : 0;
width: 200px;
height: 15px;
}
<select class='select'>
<option value='foo'>bar</option>
</select>
this...
Add all files to a commit except a single file?
...
@MariusKavansky You can use all of these forms. If you use main/* it is necessary to add -- in front of it to let git know that it is a path. The other two variants work without including the two dashes. (Tested in command prompt on Windows 7 with msysGit)
...
What is the preferred/idiomatic way to insert into a map?
...e. As other answers have noted, this has several advantages over the other forms:
The operator[] approach requires the mapped type to be assignable, which isn't always the case.
The operator[] approach can overwrite existing elements, and gives you no way to tell whether this has happened.
The oth...
Understanding implicit in Scala
...upply a Function as the argument, which can be written as a literal in the form
request => ...
In a function literal, the part before the => is a value declaration, and can be marked implicit if you want, just like in any other val declaration. Here, request doesn't have to be marked impli...
LEFT JOIN vs. LEFT OUTER JOIN in SQL Server
... @LasseV.Karlsen I just meant that the left side has the concise form and the right side has the expanded form. I thought it would make it coherent if you followed the same for JOINs as well.
– nawfal
May 2 '13 at 7:40
...
Automatically update version number
...= Assembly.GetExecutingAssembly().GetName().Version;
string About = string.Format(CultureInfo.InvariantCulture, @"YourApp Version {0}.{1}.{2} (r{3})", v.Major, v.Minor, v.Build, v.Revision);
And, to clarify: In .net or at least in C#, the build is actually the THIRD number, not the fourth one as...
How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
...e safe. In your code, you can suppress the warnings for variables and even formal parameters by using GCC's unused attribute. Lets say you have this code snippet:
void func(unsigned number, const int version)
{
unsigned tmp;
std::cout << number << std::endl;
}
There might be a sit...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
... // ...
}
This only requires that the datamodel is preserved for the form submit request. Best is to put the bean in the view scope by @ViewScoped.
You can even pass the entire item object:
<h:commandLink action="#{bean.insert(item)}" value="insert" />
with:
public void insert(Item it...