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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...ou can draw shapes with opacity) if you draw with primitive shapes you can set fill and stroke color with alpha to define the transparency. As far as I have concluded right now, this does not seem to affect image drawing.
//works with shapes but not with images
ctx.fillStyle = "rgba(255, 255, 255,...
Are table names in MySQL case sensitive?
...d case sensitive in most varieties of Unix or Linux.
To resolve the issue, set the lower_case_table_names to 1
lower_case_table_names=1
This will make all your tables lowercase, no matter how you write them.
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Is there a way to zoom the Visual Studio text editor with a keyboard shortcut?
... don't know if there is a menu option, but there are keyboard shortcuts to set the zoom level.
ctrl+shift+. to Zoom In
ctrl+shift+, to Zoom Out
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How can I count the occurrences of a list item?
...
mylist = [1,7,7,7,3,9,9,9,7,9,10,0] print sorted(set([i for i in mylist if mylist.count(i)>2]))
– cpp-coder
Sep 9 '17 at 19:15
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Android Task Affinity Explanation
...Login screen. Why is the B weather app showing and why didn't it save the settings from level D?
The programmer might be able to alleviate some confusion if Activities B and D were linked in state. That way changes to one changes the other. Each time the user opens up a new weather screen, it se...
How to merge 2 List and removing duplicate values from it in C#
... look at Enumerable.Union
This method excludes duplicates from the return set. This is different
behavior to the Concat
method, which returns all the elements
in the input sequences including
duplicates.
List<int> list1 = new List<int> { 1, 12, 12, 5};
List<int> list2 = new List&...
Flask-SQLAlchemy import/context issue
...ember(db.Model):
# fields here
pass
And then in your application setup you can call init_app:
# apps.application.py
from flask import Flask
from apps.members.models import db
app = Flask(__name__)
# later on
db.init_app(app)
This way you can avoid cyclical imports.
This pattern does n...
How do I print a list of “Build Settings” in Xcode project?
... give inaccurate results for some edge-cases, such as when debugging build settings of a static lib for an Archive build, see Slipp D. Thompson's answer for a more robust output.
Original Answer
Variable Example
PATH "/Developer/...
Iterating over each line of ls -l output
...
Set IFS to newline, like this:
IFS='
'
for x in `ls -l $1`; do echo $x; done
Put a sub-shell around it if you don't want to set IFS permanently:
(IFS='
'
for x in `ls -l $1`; do echo $x; done)
Or use while | read instea...
Simplest way to serve static data from outside the application server in a Java web application
...o the OutputStream of the HttpServletResponse.
On the response, you should set the Content-Type header so that the client knows which application to associate with the provided file. And, you should set the Content-Length header so that the client can calculate the download progress, otherwise it wi...