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What exceptions should be thrown for invalid or unexpected parameters in .NET?
...pects the consuming developer to be proactive or defensive and to actually read the documentation in detail. I would opt for a friendly/descriptive error over good documentation since the end-user has the chance of seeing one of them and not the other; there's a better chance of having an end-user ...
What are the differences between a pointer variable and a reference variable in C++?
I know references are syntactic sugar, so code is easier to read and write.
41 Answers
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What is a “callback” in C and how are they implemented?
From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story).
9 Answers
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config.assets.compile=true in Rails production, why not?
... a lot of complexity to production systems.
[Edit, June 2015] If you are reading this because you are looking for a solution for slow compile times during a deploy, then you could consider precompiling the assets locally. Information on this is in the asset pipeline guide. This allows you to preco...
Setting PayPal return URL and making it auto return?
...$req variable and add CMD key value pair
$req = 'cmd=_notify-validate';
// Read the post from PayPal
foreach ($_POST as $key => $value) {
$value = urlencode(stripslashes($value));
$req .= "&$key=$value";
}
// Now Post all of that back to PayPal's server using curl, and validate everyt...
Android splash screen image sizes to fit all devices
...40x960
large (hdpi): 480x800
medium (mdpi): 320x480
small (ldpi): 240x320
Read 9-patch image introduction in Android Developer Guide
Design images that have areas that can be safely stretched without compromising the end result
With this, Android will select the appropriate file for the device's ...
What is a patch in git version control?
...commit your changes, or even let you apply some patch file that you have already. Without going deep into details, in this sense git is absolutely the same as other version control systems like SVN, or even CVS or perforce.
Hope it helps!
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Chrome Extension how to send data from content script to popup.html
...ge from the contentScript.js file.
I don't know how to do that I've tried reading the documentation but messaging in chrome I just can't understand what to do.
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What's the best way to share data between activities?
...tages: you can launch the activity from other places and, if the data is already persisted, it should work just fine.
Disadvantages: it’s cumbersome and takes more time to implement. Requires more code and thus more chance of introducing bugs. It will also be much slower.
Some of the ways to per...
GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术
...只读
CGridCtrlObject.SetItemState(1,1, m_Grid.GetItemState(1,1) | GVIS_READONLY);
将单元格（1，1）设为正常
CGridCtrlObject.SetItemState(1,1, m_Grid.GetItemState(1,1) & ~GVIS_READONLY);
单元格可用的状态常量
&nnbsp; GVIS_FOCUSED // Cell has focus
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