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How can I swap positions of two open files (in splits) in vim?
...or something else. I wrote two functions awhile back to mark a window and then swap buffers between windows. This seems to be what you're asking for.
Just slap these in your .vimrc and map the functions how you see fit:
function! MarkWindowSwap()
let g:markedWinNum = winnr()
endfunction
f...
Find kth smallest element in a binary search tree in Optimum way
...allest element must belong to the left subtree. Otherwise, if k is larger, then the kth smallest element is in the right subtree.
We can augment the BST to have each node in it store the number of elements in its left subtree (assume that the left subtree of a given node includes that node). With t...
Using print statements only to debug
...UG = True
def log(s):
if DEBUG:
print s
log("hello world")
Then you can change the value of DEBUG and run your code with or without logging.
The standard logging module has a more elaborate mechanism for this.
...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
...4:
With Xcode 4.4, at step 3 choose Provisioning Profiles under LIBRARY. Then select your provisioning profiles either with the mouse or Command-A.
Also, Apple is making improvements in the way they manage this aspect of Xcode, and some users have reported that the Refresh button in the lower-rig...
Infinite scrolling with React JS
...Basically when scrolling you want to decide which elements are visible and then rerender to display only those elements, with a single spacer element on top and bottom to represent the offscreen elements.
Vjeux made a fiddle here which you can look at: jsfiddle.
Upon scrolling it executes
scrollS...
'heroku' does not appear to be a git repository
...IT
$ cd myapp
$ git init
$ git add .
$ git commit -m "my first commit"
Then create (initialize) heroku app with:
$ heroku create YourAppName
Lastly add git remote:
$ heroku git:remote -a YourAppName
Now you can safely deploy your app with:
$ git push heroku master
You should wait for so...
How do I change Bootstrap 3 column order on mobile layout?
... Bootstrap 3, the solution was to use push-pull for the larger widths, and then the columns will show is their natural order on smaller (xs) widths. (A-B reverse to B-A).
<div class="container">
<div class="row">
<div class="col-md-9 col-md-push-3">
main
...
Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
...do.
Of course, there are situations where the query plan is not optimal. Then you want to use query hints, restructure the query, update statistics, use temporary tables, add indexes, and so on to get better performance.
As for your question. The performance of CTEs and subqueries should, in the...
Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
...d, so really, really question whether you need them. If you do need them, then that removes several of your options including my favorite, Jetty.
Do you have to use any of the other major J2EE technologies like JMS, ESB, etc? If so, and you really can't do without, then you are again constrained ...
How To Check If A Key in **kwargs Exists?
...means "get the value associated with the key "errormessage" in kwargs, and then check its bool value". So if there's no such key, you'll get a KeyError.
Your second example, if errormessage in kwargs:, means "if kwargs contains the element named by "errormessage", and unless "errormessage" is the ...