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What does the “-U” option stand for in pip install -U
...find any docs for pip's command line options/arguments. What does pip install -U mean? Does anyone have a link to a list of pip's options and arguments?
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deleting rows in numpy array
... Thanks! I had the same problem, and I could not figure out why simply calling numpy.delete(x, index) didn't work.
– Antimony
Nov 20 '15 at 22:59
6
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Difference between String replace() and replaceAll()
What's the difference between java.lang.String 's replace() and replaceAll() methods,
other than later uses regex? For simple substitutions like, replace . with / ,
is there any difference?
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Xcode doesn't see my iOS device but iTunes does
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answered Apr 10 '12 at 11:48
iVipSiVipS
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Difference between Observer, Pub/Sub, and Data Binding
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Here's my take on the three:
Data Binding
Essentially, at the core this just means "the value of property X on object Y is semantically bound to the value of property A on object B. No assumptions are made as to how Y knows or is fed changes on object B.
Observer, or Obser...
Does Redis persist data?
I understand that Redis serves all data from memory, but does it persist as well across server reboot so that when the server reboots it reads into memory all the data from disk. Or is it always a blank store which is only to store data while apps are running with no persistence?
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How to use shell commands in Makefile
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With:
FILES = $(shell ls)
indented underneath all like that, it's a build command. So this expands $(shell ls), then tries to run the command FILES ....
If FILES is supposed to be a make variable, these variables need to be assigned outside the recipe portion, e.g.:
F...
Javascript web app and Java server, build all in Maven or use Grunt for web app?
...'t great and writing your own plugins can be a little tricky. When I originally wrote this post JAWR was in the middle of a 4 year hiatus but is now back under active development as of Jan 2014. If you choose to investigate Java Tools this is worth investigation.
Node Based Tooling (integrated wit...
Is there a CSS not equals selector?
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In CSS3, you can use the :not() filter, but not all browsers fully support CSS3 yet, so be sure you know what you're doing which is now
supported by all major browsers (and has been for quite some time; this is an old answer...).
Example:
<input type="text" value="wi...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
I am moving to Emacs to work on Clojure /Lisp.
What is all the information I need to setup on Emacs to be able to do the following?
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