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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...erence is that RAII will deterministically release any type of resource -- including memory. When implementing IDisposable in .NET (even the .NET language C++/CLI), resources will be deterministically released except for memory. In .NET, memory is not deterministically released; memory is only rel...
Capture Video of Android's Screen
... reference document on setting up and running the emulator.The Android SDK includes a mobile device emulator...
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JavaScript implementation of Gzip [closed]
...ity that can do that, JSXCompressor, and the code is LGPL licencied.
Just include the jsxcompressor.js file in your project and then you will be able to read a base 64 encoded gzipped data:
<!doctype html>
</head>
<title>Test gzip decompression page</title>
<script src="...
Xcode build failure “Undefined symbols for architecture x86_64”
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It looks like you are missing including the IOBluetooth.framework in your project. You can add it by:
-Clicking on your project in the upper left of the left pane (the blue icon).
-In the middle pane, click on the Build Phases tab.
-Under "Link Bina...
Python division
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In python cv2 not updated the division calculation. so, you must include from __future__ import division in first line of the program.
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What are the special dollar sign shell variables?
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Take care with some of the examples; $0 may include some leading path as well as the name of the program. Eg save this two line script as ./mytry.sh and the execute it.
#!/bin/bash
echo "parameter 0 --> $0" ; exit 0
Output:
parameter 0 --> ./mytry.sh
This ...
Why does IE9 switch to compatibility mode on my website?
... not to. I have tried removing several parts of the website but no change. Including removing all CSS includes. On some other website of me it goes just fine.
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JavaScript regex multiline flag doesn't work
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According to MDN, [^] also works to match any character, including newlines, in JavaScript. See developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Dan Allen
Aug 4 '14 at 9:20
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Stop form refreshing page on submit
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Basically, include event.preventDefault(); in your form submission handling code. A one-liner variant of what I put in my other comment (basically the same as the jQuery version) would be: document.getElementById("prospects_form").addEv...
Truncate number to two decimal places without rounding
...ts converted into a string) or a string.
Here are some tests for n=2 (including the one requested by OP):
0 => 0.00
0.01 => 0.01
0.5839 => 0.58
0.999 => 0.99
1.01 => 1.01
2 => 2.00
2.551 => 2.55
2.99999 => 2.99
4.27...