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How to set standard encoding in Visual Studio
...better solution? My VS2015 keeps resetting the codepage after every crash, and with my electricity those happen pretty often, so sad, how Microsoft came to this, how they can make the best IDE and forget about default codepage setting, what a pity((
– Movsar Bekaev
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BigDecimal - to use new or valueOf
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Those are two separate questions: "What should I use for BigDecimal?" and "What do I do in general?"
For BigDecimal: this is a bit tricky, because they don't do the same thing. BigDecimal.valueOf(double) will use the canonical String representation of the double value passed in to instantiate ...
How to detect duplicate values in PHP array?
...he presence of duplicate values, then count the number of duplicate values and out put the results. For example, given the following array:
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Is there an easy way to pickle a python function (or otherwise serialize its code)?
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You could serialise the function bytecode and then reconstruct it on the caller. The marshal module can be used to serialise code objects, which can then be reassembled into a function. ie:
import marshal
def foo(x): return x*x
code_string = marshal.dumps(foo.func...
ApartmentState for dummies
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COM is the grand father of .NET. They had pretty lofty goals with it, one of the things that COM does but .NET completely skips is providing threading guarantees for a class. A COM class can publish what kind of threading requirements i...
“X-UA-Compatible” content=“IE=9; IE=8; IE=7; IE=EDGE”
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If you support IE, for versions of Internet Explorer 8 and above, this:
<meta http-equiv="X-UA-Compatible" content="IE=9; IE=8; IE=7" />
Forces the browser to render as that particular version's standards. It is not supported for IE7 and below.
If you separate with semi...
How do I prevent commands from showing up in Bash history?
Sometimes, when I run commands like rm -rf XYZ , I don't want this to be recorded in Bash history, because I might accidentally run the same command again by reverse-i-search . Is there a good way to prevent this from happening?
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How to specify in crontab by what user to run script? [closed]
...xample all folders created in process of that cron job are under user root and group root.
How can i make it to run under user www-data and group www-data so when i run scripts from my website i can manipulate those folders and files?
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Creating a system overlay window (always on top)
... wm.addView(mView, params);
}
Now, you will start getting each and every click event. So, you need to rectify in your event handler.
In your ViewGroup touch event
@Override
public boolean onTouchEvent(MotionEvent event) {
// ATTENTION: GET THE X,Y OF EVENT FROM THE PARAMETER
/...
How do I compute derivative using Numpy?
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Automatic Derivatives
Symbolic Differentiation
Compute derivatives by hand.
Finite differences require no external tools but are prone to numerical error and, if you're in a multivariate situation, can take a while.
Symbolic differentiation is ideal if your problem is simple enough. Symbolic...