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What are the rules for calling the superclass constructor?
...:
class A : public B
{
public:
A(int a, int b, int c);
private:
int b_, c_;
};
Then, assuming B has a constructor which takes an int, A's constructor may look like this:
A::A(int a, int b, int c)
: B(a), b_(b), c_(c) // initialization list
{
// do something
}
As you can see, the con...
Python set to list
...k that you didn't overwrite list by accident:
>>> assert list == __builtins__.list
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How to tell Eclipse Workspace?
...ages simple list of last time opened workspaces which is stored as a RECENT_WORKSPACES key in org.eclipse.ui.ide.prefs file. The workspace name shown in this dialog is the first one from this list.
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libxml/tree.h no such file or directory
...ude/libxml2" to the Header Search Path (XCode 4.2), than it says that " "_OBJC_METACLASS_$_UIResponder", referenced from: _OBJC_METACLASS_$_D2GAppDelegate in MyDemoAppDelegate.o ld: symbol(s) not found for architecture i386". What can i do?
– NicTesla
A...
Best explanation for languages without null
... middleLen = p.middleName match {
case Some(x) => x.length
case _ => 0
}
p.firstName.length + middleLen + p.lastName.length
}
there's not much difference! But it's also a terrible way to use Options... This approach is much cleaner:
def fullNameLength(p:Person) = {
val middl...
How to use `subprocess` command with pipes
I want to use subprocess.check_output() with ps -A | grep 'process_name' .
I tried various solutions but so far nothing worked. Can someone guide me how to do it?
...
What is the { get; set; } syntax in C#?
... a property with a backing field.
public class Genre
{
private string _name;
public string Name
{
get => _name;
set => _name = value;
}
}
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Eclipse: Enable autocomplete / content assist
... Change the default in Auto activation triggers for Java to ._abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ stackoverflow.com/questions/1959946/…
– ftvs
Nov 6 '13 at 3:52
...
How do I set a variable to the output of a command in Bash?
... which could be sourced for use or just run for demo.)
Sample:
source shell_connector.sh
tty
/dev/pts/20
ps --tty pts/20 fw
PID TTY STAT TIME COMMAND
29019 pts/20 Ss 0:00 bash
30745 pts/20 R+ 0:00 \_ ps --tty pts/20 fw
newConnector /usr/bin/bc "-l" '3*4' 12
ps --tty p...
Best way to test if a row exists in a MySQL table
...ng':
SELECT * FROM test WHERE texte LIKE '%something%' LIMIT 1 with
mysql_num_rows() : 0.039061069488525s. (FASTER)
SELECT count(*) as count FROM test WHERE text LIKE '%something% :
16.028197050095s.
SELECT EXISTS(SELECT 1 FROM test WHERE text LIKE '%something%') :
0.87045907974243s.
SELECT EXIS...