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Which is faster: Stack allocation or Heap allocation
... is move the stack pointer.
Using memory pools, you can get comparable performance out of heap allocation, but that comes with a slight added complexity and its own headaches.
Also, stack vs. heap is not only a performance consideration; it also tells you a lot about the expected lifetime of obje...
How to edit log message already committed in Subversion?
...s to get Subversion to
change a revision property.
The first way is for the repository
administrator to enable revision
property modifications. This is done
by creating a hook called
"pre-revprop-change" (see this section
in the Subversion book for more
details about how to do thi...
How do you find the row count for all your tables in Postgres
I'm looking for a way to find the row count for all my tables in Postgres. I know I can do this one table at a time with:
...
How to handle multiple cookies with the same name?
Say for example I had an application sending the following HTTP headers to set to cookie named "a":
6 Answers
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How to import existing Git repository into another?
...kdir ZZZ
git mv stuff ZZZ/stuff # repeat as necessary for each file/dir
git commit -m "Moved stuff to ZZZ"
git checkout master
git merge ZZZ --allow-unrelated-histories # should add ZZZ/ to master
git commit
git remote rm other
git branch -d ZZZ ...
Flask vs webapp2 for Google App Engine
...bapp2 . I'm rather satisfied with built-in webapp framework that I've used for my previous App Engine application, so I think webapp2 will be even better and I won't have any problems with it.
...
Vim: Creating parent directories on save
...nd("<afile>")!~#'^\w\+:/' will prevent vim from creating directories for files like ftp://* and !isdirectory will prevent expensive mkdir call.
Update: sligtly better solution that also checks for non-empty buftype and uses mkdir():
function s:MkNonExDir(file, buf)
if empty(getbufvar(a:b...
Checking network connection
I want to see if I can access an online API, but for that I need to have Internet access.
21 Answers
...
Everyauth vs Passport.js?
...
Chiming in with my two cents, as the developer of Passport.
Before developing Passport, I evaluated everyauth and determined that it didn't meet my requirements. So, I set about implementing a different solution which would. The major points I wanted to address are:
Idiomatic Node.js...
SQL WITH clause example [duplicate]
...clause is basically a drop-in replacement to the normal sub-query.
Syntax For The SQL WITH Clause
The following is the syntax of the SQL WITH clause when using a single sub-query alias.
WITH <alias_name> AS (sql_subquery_statement)
SELECT column_list FROM <alias_name>[,table_name]
[WH...