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Putting git hooks into repository
...r script in your repo, and symlink all of the hooks to it. The wrapper can then examine $0 (assuming it's a bash script; an equivalent like argv[0] otherwise) to figure out which hook it was invoked as, then invoke the appropriate hook within your repo, as well as the appropriate user's hook, which ...
Deploy a project using Git push
...ternatively just make the public directory a subdirectory of the git repo. Then you can have private files you can be sure won't be made public.
– tlrobinson
Jun 8 '10 at 19:54
3
...
Checking for the correct number of arguments
...
#!/bin/sh
if [ "$#" -ne 1 ] || ! [ -d "$1" ]; then
echo "Usage: $0 DIRECTORY" >&2
exit 1
fi
Translation: If number of arguments is not (numerically) equal to 1 or the first argument is not a directory, output usage to stderr and exit with a failure status co...
Oracle “Partition By” Keyword
...are two "dept_no = 20" records
If there was another column (e.g., state) then you could count how many departments in that State.
It is like getting the results of a GROUP BY (SUM, AVG, etc.) without the aggregating the result set (i.e. removing matching records).
It is useful when you use the L...
Ruby optional parameters
...ar problem using the splat operator * for an array of zero or more length. Then, if I want to pass a parameter(s) I can, it is interpreted as an array, but if I want to call the method without any parameter then I don't have to pass anything. See Ruby Programming Language pages 186/187
...
Throw an error in a MySQL trigger
...test
for each row
begin
declare msg varchar(128);
if new.id < 0 then
set msg = concat('MyTriggerError: Trying to insert a negative value in trigger_test: ', cast(new.id as char));
signal sqlstate '45000' set message_text = msg;
end if;
end
//
delimiter ;
-- run the fo...
Returning value from called function in a shell script
...s
lockdir="somedir"
testlock(){
retval=""
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
echo >&2 "successfully acquired lock: $lockdir"
retval="true"
else
echo >&2 "cannot acquire lock, giving up on $lock...
How can I unstage my files again after making a local commit?
...th git diff --cached), and your newest changes not staged. git status will then look like this:
# On branch master
# Changes to be committed:
# (use "git reset HEAD <file>..." to unstage)
#
# modified: foo.java
#
# Changes not staged for commit:
# (use "git add <file>..." to...
Code snippet or shortcut to create a constructor in Visual Studio
...
Not for me (typing ctor only shows the intellisense box, then I have to type Tab once to close that and once to "use" the snippet), but might be some setting somewhere...
– Hans Olsson
Oct 6 '10 at 16:02
...
A connection was successfully established with the server, but then an error occurred during the pre
...
Save your work,
Close Visual Studio, then
Re-open your project
This worked for me.
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