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The quest for the Excel custom function tooltip
This question has been asked before , but each time the accepted answer is simply a resignation to provide function descriptions using Application.MacroOptions ( VBA6 ) ( VBA7 ), but this information does not actually appear as a tooltip, so it does not solve my problem.
...
Best practices for Storyboard login screen, handling clearing of data upon logout
...er)
{
self.window.rootViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:[NSBundle mainBundle]] instantiateInitialViewController];
}
else
{
UIViewController* rootController = [[UIStoryboard storyboardWithName:@"Main" bundle:[NSBundle mainBundle]] instantiateViewContro...
General suggestions for debugging in R
... several nested functions.
Next I will set options(error=recover); this immediately switches into browser mode where the error occurs, so you can browse the workspace from there.
If I still don't have enough information, I usually use the debug() function and step through the script line by line.
...
Why does this assert throw a format exception when comparing structures?
...levels of string.Format going on here.
The first level of formatting is something like:
string template = string.Format("Expected: {0}; Actual: {1}; Message: {2}",
expected, actual, message);
Then we use string.Format with the parameters you've supplied:
string...
How to properly URL encode a string in PHP?
...
Is this rule always the empirical one? I mean, when I need to encode a query string I always use urldecode. Then, what about the URI path (e.g. /a/path with spaces/) and URI fragment (e.g. #fragment). Should I always use rawurldecode for these two?
...
How to detect iPhone 5 (widescreen devices)?
...views can adjust, and adapt any screen size.
That's not very hard, read some documentation about that. It will save you a lot of time.
iOS 6 also offers new features about this.
Be sure to read the iOS 6 API changelog on Apple Developer website.
And check the new iOS 6 AutoLayout capabilities.
Th...
What do the different readystates in XMLHttpRequest mean, and how can I use them?
...sponse.asp)
In practice you almost never use any of them except for 4.
Some XMLHttpRequest implementations may let you see partially received responses in responseText when readyState==3, but this isn't universally supported and shouldn't be relied upon.
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How to print binary tree diagram?
...level, int maxLevel) {
if (nodes.isEmpty() || BTreePrinter.isAllElementsNull(nodes))
return;
int floor = maxLevel - level;
int endgeLines = (int) Math.pow(2, (Math.max(floor - 1, 0)));
int firstSpaces = (int) Math.pow(2, (floor)) - 1;
int betweenS...
WPF Application that only has a tray icon
I am a total WPF newbie and wonder if anyone could give me some pointers how to write an application that starts minimized to tray. The idea is that it periodically fetches an RSS Feed and creates a Toaster-Popup when there are new feeds.
...
PowerShell: Store Entire Text File Contents in Variable
...hanks! $content = [IO.File]::ReadAllText(".\test.txt") appears to do the same thing as $content = (gc ".\test.txt" | out-string). Since the second of the two is shorter, that's what I prefer. Unfortunately, neither of the methods you provided for calculating the total number of lines takes trailing...