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html5 - canvas element - Multiple layers
...text.fillStyle = 'yellow';
context.fillRect(0,0,600,250);
// Now return the globalCompositeOperation to source-over and draw a
// blue rectangle
context.globalCompositeOperation = 'source-over';
// Draw a blue rectangle
context.fillStyle = 'blue';
context.fil...
Is git not case sensitive?
... poster trying to perform a case-changing rename of a folder, not a file. Now that I re-read this, it is unclear. Indeed, mv -f will work for a file.
– Edward Thomson
Feb 12 '14 at 20:28
...
.htaccess mod_rewrite - how to exclude directory from rewrite rule
...ectories on my server from these rules, so they can become accessible. For now all requests are sent to index.php file.
6 ...
What is a stored procedure?
...ct based on the primary key, that means each table will have 4 procedures. Now take a decent size database of 400 tables, and you have 1600 procedures! And that's assuming you don't have duplicates which you probably will.
This is where using an ORM or some other method to auto generate your basic ...
How to replace a character with a newline in Emacs?
...
It's really a good idea for the characters which I don't know the key bind.
– Lei
Mar 5 '09 at 18:16
...
Why is the tag deprecated in HTML?
...t-align: center;}
.center {margin: auto 0px;}
.float_left {float: left;}
Now I can use them in my HTML code to perform simple tasks.
<p class="text_center">Some Text</p>
share
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impr...
Why does the order in which libraries are linked sometimes cause errors in GCC?
...
(See the history on this answer to get the more elaborate text, but I now think it's easier for the reader to see real command lines).
Common files shared by all below commands
$ cat a.cpp
extern int a;
int main() {
return a;
}
$ cat b.cpp
extern int b;
int a = b;
$ cat d.cpp
int b;
L...
Why aren't my breakpoints working?
...ion went along these lines: "come on, please, you really think I wouldn't know better...... oh.")
Make sure you haven't accidentally set "Active Build Configuration" to "Release."
Under "Targets" in the graphical tree display of your project, right click on your Target and do "Get Info." Look fo...
Django using get_user_model vs settings.AUTH_USER_MODEL
...eignKey/ManyToMany-relation.
From the changelog:
get_user_model() can now be called at import time, even in modules that define models.
so... is there still a reason to use settings.AUTH_USER_MODEL? Well, the docs still recommend the settings.AUTH_USER_MODEL (which is a string) for defining r...
Reading binary file and looping over each byte
...
# Do stuff with byte.
byte = f.read(1)
python 3.8
From now on thanks to := operator the above code can be written in a shorter way.
with open("myfile", "rb") as f:
while (byte := f.read(1)):
# Do stuff with byte.
...