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Transactions in REST?
...ple items to a shopping basket and then submit that basket to process the order, you can add Bob's account entry to the transaction wrapper and then Bill's account entry to the wrapper. When all the pieces are in place then you can POST/PUT the transaction wrapper with all the component pieces. ...
Get index of array element faster than O(n)
...
If your array has a natural order use binary search.
Use binary search.
Binary search has O(log n) access time.
Here are the steps on how to use binary search,
What is the ordering of you array? For example, is it sorted by name?
Use bsearch to fin...
How to use Git?
... your questions directly rather than pointing you at documentation:
1) In order to keep it up to date, do a git pull and that will pull down the latest changes in the repository, on the branch that you're currently using (which is generally master)
2) I don't think there's something (widely availa...
How to terminate a python subprocess launched with shell=True
...rapper for something else, do call the final binary there with exec too in order to have only one subprocess.
– Nicolinux
Aug 4 '16 at 17:51
1
...
Eclipse menus don't show up after upgrading to Ubuntu 13.10
... that the fact that it is installed there forces me to run sudo eclipse in order to get the menus, or else it doesn't work. However, when I just copy-pasted your file content without modifying it, the menus work without sudo priviliges, even though I of course have no directory name /home/USERNAME.....
Asp.NET Web API - 405 - HTTP verb used to access this page is not allowed - how to set handler mappi
...bling doesn't help, you have to un-install it.
– John_
May 10 '12 at 16:08
I can confirm that disabling doesn't help. ...
form_for with nested resources
...POST /comments
post :create, :comment => {:article_id=>42, ...}
In order to test the route that they may prefer, they need to do it this way:
# POST /articles/42/comments
post :create, :article_id => 42, :comment => {...}
I learned this because my unit-tests started failing when I s...
How to set Python's default version to 3.x on OS X?
...on='python3'
in your ~/.profile, and then source ~/.profile in your ~/.bash_profile and/or your~/.zsh_profile with a line like:
[ -e ~/.profile ] && . ~/.profile
This way, your alias will work across shells.
With this, python command now invokes python3. If you want to invoke the "origi...
What are the advantages of NumPy over regular Python lists?
...nts = 10000
Ntimeits = 10000
x = arange(Nelements)
y = range(Nelements)
t_numpy = Timer("x.sum()", "from __main__ import x")
t_list = Timer("sum(y)", "from __main__ import y")
print("numpy: %.3e" % (t_numpy.timeit(Ntimeits)/Ntimeits,))
print("list: %.3e" % (t_list.timeit(Ntimeits)/Ntimeits,))
w...
MySql server startup error 'The server quit without updating PID file '
...", there should be more info. It might be in:
/usr/local/var/mysql/your_computer_name.local.err
It's probably problem with permissions
check if any mysql instance is running
ps -ef | grep mysql
if yes, you should stop it, or kill the process
kill -9 PID
where PID is the number d...