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Java: Get first item from a collection
... "first" item in a Collection because it is .. well simply a collection.
From the Java doc's Collection.iterator() method:
There are no guarantees concerning the order in which the elements are returned...
So you can't.
If you use another interface such as List, you can do the following:
S...
How can I load storyboard programmatically from class?
...ton on the new view, and there is now a memory leak with that discarded vc from the prior incantations of this code.
– SWoo
Feb 6 '14 at 19:48
11
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Facebook Android Generate Key Hash
...generate key hash you need to follow some easy steps.
1) Download Openssl from: here.
2) Make a openssl folder in C drive
3) Extract Zip files into this openssl folder created in C Drive.
4) Copy the File debug.keystore from .android folder in my case (C:\Users\SYSTEM.android) and paste into JD...
How to count the number of occurrences of an element in a List
...
Always prefer Api from JRE, that add another dependency to the project. And don't Reinventing the wheel !!
– Fernando.
Jun 4 '18 at 8:07
...
Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
... install the appropriate package to the system (using package manager // from sources // another way)
What is cc1:
cc1 is the internal command which takes preprocessed C-language files and converts them to assembly. It's the actual part that compiles C. For C++, there's cc1plus, and other internal ...
Fastest way to find second (third…) highest/lowest value in vector or column
...t I do not see a really fast way to find another value in the order, apart from sorting the whole vector and then picking a value x from this vector.
...
Is there a command line utility for rendering GitHub flavored Markdown?
...d in 2.0
Export to a single file (thanks, iliggio!) added in 2.0
New: Read from stdin and export to stdout added in 3.0
Hope this helps someone here. Check it out.
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Getting the name of a variable as a string
...riables
https://github.com/pwwang/python-varname
In your case, you can do:
from varname import Wrapper
foo = Wrapper(dict())
# foo.name == 'foo'
# foo.value == {}
foo.value['bar'] = 2
For list comprehension part, you can do:
n_jobs = Wrapper(<original_value>)
users = Wrapper(<original_v...
SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...ils.
Examples
Here's what would happen trying to access the following URLs from http://www.example.com/home/index.html
URL RESULT
http://www.example.com/home/other.html -> Success
http://www.example.com/dir/inner/another.php -> Success
http:...
How to output loop.counter in python jinja template?
...ter variable inside the loop is called loop.index in jinja2.
>>> from jinja2 import Template
>>> s = "{% for element in elements %}{{loop.index}} {% endfor %}"
>>> Template(s).render(elements=["a", "b", "c", "d"])
1 2 3 4
See http://jinja.pocoo.org/docs/templates/ for ...