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Configure Flask dev server to be visible across the network
...8.X.X
E.g. In my case (see the image), I ran it as:
flask run -h 192.168.1.100
On my mobile device
Optional Stuff
If you are performing this procedure on Windows and using Power Shell as the CLI, and you still aren't able to access the website, try a CTRL + C command in the shell that's running ...
Getting LaTeX into R Plots
...gend labels, and general text.
For example:
x <- seq(0, 4, length.out=100)
alpha <- 1:5
plot(x, xlim=c(0, 4), ylim=c(0, 10),
xlab='x', ylab=TeX('$\\alpha x^\\alpha$, where $\\alpha \\in 1\\ldots 5$'),
type='n', main=TeX('Using $\\LaTeX$ for plotting in base graphics!'))
invisi...
Rounding float in Ruby
...; "2.35"
If you want to store it rounded, you can use
>> (2.3465*100).round / 100.0
=> 2.35
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How do I make a textbox that only accepts numbers?
...dontProcessMessages)
return;
const int WM_KEYDOWN = 0x100;
const int WM_ENTERIDLE = 0x121;
const int VK_DELETE = 0x2e;
bool delete = m.Msg == WM_KEYDOWN && (int)m.WParam == VK_DELETE;
if ((m.Msg == WM_KEYDOWN && !delete) || m.Msg ...
Precise Financial Calculation in JavaScript. What Are the Gotchas?
...
You should probably scale your decimal values by 100, and represent all the monetary values in whole cents. This is to avoid problems with floating-point logic and arithmetic. There is no decimal data type in JavaScript - the only numeric data type is floating-point. Theref...
Importing from builtin library when module with same name exists
..._module_symbols(name, local_module):
import imp
for i in range(0, 100):
random_name = 'random_name_%d' % (i,)
if random_name not in sys.modules:
break
else:
random_name = None
if random_name is None:
raise RuntimeError("Couldn't ma...
How to automatically crop and center an image
... the cropped dimensions.
Basic example
.center-cropped {
width: 100px;
height: 100px;
background-position: center center;
background-repeat: no-repeat;
}
<div class="center-cropped"
style="background-image: url('http://placehold.it/200x200');">
</div>
...
Targeting .NET Framework 4.5 via Visual Studio 2010
...n reference: http://msdn.microsoft.com/en-us/library/vstudio/xxyh2e6a(v=vs.100).aspx
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git: difference between “branchname” and “refs/heads/branchname”
... for somebody who is curious - git show-ref, which is available since Git v1.8.2.2, will show you all references you have in your local repository.
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Can I set enum start value in Java?
... - and they can even have multiple attributes.
public enum Ids {
OPEN(100), CLOSE(200);
private final int id;
Ids(int id) { this.id = id; }
public int getValue() { return id; }
}
The big difference is that they are type-safe which means you don't have to worry about assigning a C...