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Difference between map and collect in Ruby?
...re all the same, but picking the right word might make your code easier to read, which is a nice property of the language.
– Jochem Schulenklopper
Oct 10 '16 at 18:56
add a co...
What is the proper way to format a multi-line dict in Python?
...ine, and why.
my_dictionary = { # Don't think dict(...) notation has more readability
"key1": 1, # Indent by one press of TAB (i.e. 4 spaces)
"key2": 2, # Same indentation scale as above
"key3": 3, # Keep this final comma, so that future addition won't show up as 2-lines change in code ...
What does .SD stand for in data.table in R
...f life for data munging -- as of this writing, fwrite cannot automatically read Date or POSIXct columns, and conversions back and forth among character/factor/numeric are common. We can use .SD and .SDcols to batch-convert groups of such columns.
We notice that the following columns are stored as c...
How can you speed up Eclipse?
...n Linux, libjava.so depends on libjvm.so, but the converse is not true: $ readelf -d libjava.so Dynamic segment at offset 0x208a8 contains 25 entries: Tag Type Name/Value 0x00000001 (NEEDED) Shared library: [libjvm.so] [...]: When the library contains such information, ld.so will load libjvm.so aut...
How do I create a variable number of variables?
... particularly true if your data are homogeneous, such as daily temperature readings, weekly quiz scores, or a grid of graphical widgets.
This can be assembled as follows:
my_calculator.buttons = []
for i in range(10):
my_calculator.buttons.append(tkinter.Button(root, text=i))
This list can a...
Unable to load DLL (Module could not be found HRESULT: 0x8007007E)
...indows\system32 or c:\windows\SysWOW64 (for 32-bit process on 64-bit box).
Reading from the Path environment variable
In addition I'd check the dependencies of the DLL, the dependency walker provided with Visual Studio can help you out here, it can also be downloaded for free: http://www.dependenc...
twitter bootstrap typeahead ajax example
...more functionality. Good job Paul! Only thing I would suggest is in your README remind the user that they need to parse their JSON-data into JS in order for your code to be able to use it correctly. I'd assumed you were parsing it for me so that hung me up for a bit. Otherwise, pretty nice, than...
How to launch Safari and open URL from iOS app
...r and I didn't realize that was why my URL was not opening, it was only by reading Dustin's answer that I saw that I should have been using the "string:" selector . So Dustin should be upvoted, not chastised.
– SafeFastExpressive
Mar 23 '15 at 3:50
...
How to copy Docker images from one host to another without using a repository
...new host do:
docker load < awesomesauce.tar
Now go have a coffee and read Hacker News...
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Where does Vagrant download its .box files to?
... the box_add function. Within the box_add function, there is a block that reads:
ensure
# Make sure we delete the temporary file after we add it,
# unless we were interrupted, in which case we keep it around
# so we can resume the download later.
if !@download_interrupted
...