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Is there a way to get the git root directory in one command?
...n alias:
git config --global alias.root 'rev-parse --show-toplevel'
and now git root will function just as hg root.
Note: In a submodule this will display the root directory of the submodule and not the parent repository. If you are using Git >=2.13 or above, there is a way that submodules ...
Is there a way to override class variables in Java?
...magine your super class has an Object member but in your sub-class this is now more defined to be an Integer.
class Dad
{
private static final String me = "dad";
protected String getMe() {
return me;
}
public void printMe()
{
Sys...
How to get the connection String from a database
...have created a database with SQL Server Management Studio, I would like to now use it in my C# application. I need the connection string?
...
Gradle finds wrong JAVA_HOME even though it's correctly set
...bove bin where javac lives as in
type javac
javac is /usr/bin/javac # now check if its just a symlink
ls -la /usr/bin/javac
/usr/bin/javac -> /etc/alternatives/javac # its a symlink so check again
ls -la /etc/alternatives/javac # now check if its just a symlink
/etc/alternatives/java...
How to use enums in C++
...Days { Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday };
Now, Saturday, Sunday, etc. can be used as top-level bare constants,and Days can be used as a type:
Days day = Saturday; // Days.Saturday is an error
And similarly later, to test:
if (day == Saturday)
// ...
These...
Gitignore not working
...m your system use: git rm --cached filename
To untrack every file that is now in your .gitignore:
First commit any outstanding code changes, and then, run this command:
git rm -r --cached .
This removes any changed files from the index(staging area), then just run:
git add .
Commit it:
git ...
Can I nest a element inside an using HTML5?
...
Right now I have an <a> inside the <button> (with the same href) as a backup if JS is disabled, and six months from now I'm definitely going to be embarrassed that I admitted that.
– TheDudeAbides
...
How to remove an HTML element using Javascript?
...
Well, this seems to be faily supported now: caniuse.com/#search=remove. I would accept to use it now. If you absolutely need to support IE11, I suppose a polyfill could easily be constructed...
– jehon
Jan 11 '17 at 14:37
...
Java optional parameters
...null ? b : 0;
c = c != null ? c : 0;
//...
}
foo("a", null, 2);
Now all arguments values must be provided, but the default ones may be null.
Optional class. This approach is similar to nulls, but uses Java 8 Optional class for parameters that have a default value:
void foo(String a, Opti...
How do I debug an MPI program?
... here. DDT is nice. Try it out too. TotalView also integrates with STAT now, so if your site has a TotalView installation you could try that as well. LLNL keeps TotalView and DDT around, and it's nice that TotalView finally has some stiff competition.
– Todd Gamblin
...