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How to check BLAS/LAPACK linkage in NumPy and SciPy?
...gt; import numpy as np
>>> np.show_config()
lapack_opt_info:
extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
extra_compile_args = ['-msse3']
define_macros = [('NO_ATLAS_INFO', 3)]
blas_opt_info:
extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
extra_compile...
Why is it string.join(list) instead of list.join(string)?
...ned (e.g, list, tuple, dict, set), but the result and the "joiner" must be strings.
For example:
'_'.join(['welcome', 'to', 'stack', 'overflow'])
'_'.join(('welcome', 'to', 'stack', 'overflow'))
'welcome_to_stack_overflow'
Using something else than strings will raise the following error:
T...
Generating all permutations of a given string
What is an elegant way to find all the permutations of a string. E.g. permutation for ba , would be ba and ab , but what about longer string such as abcdefgh ? Is there any Java implementation example?
...
Scala best way of turning a Collection into a Map-by-key?
...sult into a variable argument.
scala> val list = List("this", "maps", "string", "to", "length") map {s => (s, s.length)}
list: List[(java.lang.String, Int)] = List((this,4), (maps,4), (string,6), (to,2), (length,6))
scala> val list = List("this", "is", "a", "bunch", "of", "strings")
list:...
Or versus OrElse
... the right operand won't even be evaluated (this is useful in cases like:
string a;
//...
if (a is null) or (a = "Hi") //...
to avoid a NullReferenceException throw by the right-hand operand.
I'm sincerely astonished that this (lazy evaluation) isn't the default behaviour of or and and as it is ...
How to replace a hash key with another key
...
If all the keys are strings and all of them have the underscore prefix, then you can patch up the hash in place with this:
h.keys.each { |k| h[k[1, k.length - 1]] = h[k]; h.delete(k) }
The k[1, k.length - 1] bit grabs all of k except the firs...
Send Email Intent
...."));
Update: According to marcwjj, it seems that on 4.3, we need to pass string array instead of a string for email address to make it work. We might need to add one more line:
intent.putExtra(Intent.EXTRA_EMAIL, addresses); // String[] addresses
Ref link
...
How to join strings in Elixir?
How do I join two strings in a list with a space, like:
9 Answers
9
...
Does reading an entire file leave the file handle open?
...
Instead of retrieving the file content as a single string,
it can be handy to store the content as a list of all lines the file comprises:
with open('Path/to/file', 'r') as content_file:
content_list = content_file.read().strip().split("\n")
As can be seen, one needs t...
Make a link use POST instead of GET
... tab to the url of the href
As the method is POST, we should have no query string in the URL of the target page we load
That page should receive the data in parameters (names and value) by POST
I am using jquery here, but this could be done with native apis (harder and longer of course).
<html...