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How can I add an item to a IEnumerable collection?
... if it was an array - it uses ElementAt under the hood): connect.microsoft.com/VisualStudio/feedback/…. If we also get two more overloads of Concat to take a single item both on the left and on the right, this would cut down the typing to xs +=x - so go poke Mads (Torgersen) to prioritize this in...
Two versions of python on linux. how to make 2.7 the default
...for python 3.6
$ sudo apt-get install python3.6 python3.6-dev
$ sudo curl https://bootstrap.pypa.io/ez_setup.py -o - | sudo python3.6
$ sudo easy_install pip
On Success, check current version of pip:
$ pip3 -V
Output Ex:
pip 1.5.4 from /usr/lib/python3/dist-packages (python 3.6)
...
Convert Java Array to Iterable
...ger> fooBar = Ints.asList(foo);
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>15.0</version>
<type>jar</type>
</dependency>
For Java8: (from Jin Kwon's answer)
final int[] a...
Redirect stderr and stdout in Bash
... and the stdout into a file:
some_command >file.log 2>&1
See http://tldp.org/LDP/abs/html/io-redirection.html
This format is preferred than the most popular &> format that only work in bash. In Bourne shell it could be interpreted as running the command in background. Also the...
Sass or Compass without ruby?
Is there a way to use Sass or Compass or anything like that without Ruby?
7 Answers
7...
What is the difference between `throw new Error` and `throw someObject`?
...hich is a better choice; throw 'An error' or throw new Error('An error'):
http://www.nczonline.net/blog/2009/03/10/the-art-of-throwing-javascript-errors-part-2/
It suggests that the latter (new Error()) is more reliable, since browsers like Internet Explorer and Safari (unsure of versions) don't c...
Java String array: is there a size of method?
I come from a php background and in php, there is an array_size() function which tells you how many elements in the array are used.
...
How do I catch an Ajax query post error?
...success and error callbacks above are obsolete as of jQuery 1.8 api.jquery.com/jQuery.post
– Baldy
Nov 27 '13 at 11:53
...
Squash the first two commits in Git? [duplicate]
With git rebase --interactive <commit> you can squash any number of commits together into a single one.
9 Answers
...
What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
...e other good examples: they use dynamic runtime loading to load and create components they don't know anything before the runtime.
Actually, if you want to go further, have a look at Ted Neward paper Understanding Class.forName() that I was paraphrasing in the paragraph just above.
EDIT (answering...