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How to delete all rows from all tables in a SQL Server database?
...ase to send to someone else in an email but my 'empty' database backup was now 14 MB? What did I do wrong?
– Ben
Dec 8 '14 at 15:27
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Locking a file in Python
...ired.")
with open("myfile.txt"):
# work with the file as it is now locked
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How can I save an image to the camera roll?
...r your patience qegal. I haven't had a chance to revisit this issue until now. Your EDIT us super helpful. The image is in the app's bundle. There are several images in the app and they can be viewed as small thumbnails. When a small thumbnail is selected it goes to a new view and a fullscreen v...
How do I parallelize a simple Python loop?
...order given: [0, 4, 16, 36, 64, 100, 144, 196, 256, 324]
Multithreading
Now change ProcessPoolExecutor to ThreadPoolExecutor, and run the module again:
$ python3 -m futuretest
original inputs: [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]
total time to execute 19 = sum([0, 2, 3, 5, 2, 0, 0,...
How to open every file in a folder?
... print "No files found here!"
print "Total files found:\t", counter
Now you have not only listed all the files in a folder but also have them (optionally) sorted by starting name, file type and others. Just now iterate over each list and do your stuff.
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Static methods in Python?
...umber of arguments, but would also cause an exception to be raised because now n would be representing a Dog instance (i.e., rex) when the function expects n to be numerical.
This is where the decoration comes in:
If we precede the "rollCall" method with
@staticmethod
then, by explicitly stating...
What is RemoteSystemsTempFiles in Eclipse?
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Does anyone know which eclipse setting will turn this off completely? I don't want RemoteSystemsTempFiles to be recreated every time I use eclipse.
– joelittlejohn
May 20 '11 at 13:46
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parseInt(null, 24) === 23… wait, what?
...isn't a base-24 numeric string in entirety, but "n" is: it's decimal 23.
Now, parsing stops after the decimal 23 is pulled out, because "u" isn't found in the base-24 system:
If S contains any character that is
not a radix-R digit, then let Z be the
substring of S consisting of all
chara...
Why escape_javascript before rendering a partial?
... generated javascript will look like this:
$("#reviews").append("...");
Now let's examine the ruby part inside the <%= ... %>. What does render(:partial => @review) do? It is rendering a partial - which means that it could be rendering any kind of code - html, css ... or even more javasc...
Please explain some of Paul Graham's points on Lisp
...ints (3) and (4) on your list seem the most interesting and still relevant now.
To understand them, it is useful to have a clear picture of what happens with Lisp code -- in the form of a stream of characters typed in by the programmer -- on its way to being executed. Let's use a concrete example:
;...