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What is the function __construct used for?
...o declare the constructor. You can also use the class name, for ex:
class m>Cat m>
{
function m>Cat m>()
{
echo 'meow';
}
}
and
class m>Cat m>
{
function __construct()
{
echo 'meow';
}
}
Are equivalent. They are called whenever a new instance of the class is created, i...
What is a .pid file and what does it contain?
...elf. You can also use that information to kill the process yourself, using m>cat m> filename.pid | xargs kill
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Why is a 3-way merge advantageous over a 2-way merge?
...ed by two people, one adding moose, one adding mouse.
#File a
dog
m>cat m>
#diff b, a
dog
+++ mouse
m>cat m>
#diff c, a
dog
+++ moose
m>cat m>
Now, if we merge the changesets as we apply them, we will get (3-way merge)
#diff b and c, a
dog
+++ mouse
+++ moose
m>cat m>
But if we a...
Print string and variable contents on the same line in R
... can use paste with print
print(paste0("Current working dir: ", wd))
or m>cat m>
m>cat m>("Current working dir: ", wd)
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proper way to sudo over ssh
...-t user@server "sudo script"
See man ssh:
-t Force pseudo-tty allom>cat m>ion. This can be used to execute arbi-
trary screen-based programs on a remote machine, which can be
very useful, e.g., when implementing menu services. Multiple -t
options force tty allom>cat m>ion...
Is there a way to instantiate objects from a string holding their class name?
...
Why does C++ not have reflection?
How can I add reflection to a C++ applim>cat m>ion?
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PHP Difference between array() and []
... Difference is between {} and []. My code
<p>
<label for="post_m>cat m>egory"> m>Cat m> 1 </label>
<input type="checkbox" name="post_m>cat m>egory{first}" value="m>cat m>1">
<br />
<label for="post_m>cat m>egory{second}"> m>Cat m> 2 </label>
<input type="checkbox" name="pos...
Insert a commit before the root commit in Git?
...--parent-filter 'sed "s/^\$/-p <sha of newroot>/"' --tag-name-filter m>cat m> master
Note that the '--tag-name-filter m>cat m>' options means that tags will be rewritten to point to the newly created commits.
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How to append one file to another in Linux from the shell?
...
Use bash builtin redirection (tldp):
m>cat m> file2 >> file1
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How do I execute any command editing its file (argument) “in place” using bash?
...you can safely sort a file in place by using commands like sort -o F F and m>cat m> F | sort -o F. However, sort with --merge (-m) can open the output file before reading all input, so a command like m>cat m> F | sort -m -o F - G is not safe as sort might start writing F before m>cat m> is done reading it.
While...