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Programmatically get height of navigation bar
... How to know collapsed size (44) or expanded size (large titles)??? Dynamically, of course. (I know what it measures)
– Markus
Jan 4 at 0:50
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What is the difference between std::array and std::vector? When do you use one over other? [duplicat
...ssic C array. That means its size is fixed at compile time and it will be allocated as a single chunk (e.g. taking space on the stack). The advantage it has is slightly better performance because there is no indirection between the object and the arrayed data.
std::vector is a small class contain...
Why can't non-default arguments follow default arguments?
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All required parameters must be placed before any default arguments. Simply because they are mandatory, whereas default arguments are not. Syntactically, it would be impossible for the interpreter to decide which values match...
How do I change tab size in Vim?
...at tabs are displayed as 4 spaces. Setting expandtab will cause Vim to actually insert spaces (the number of them being controlled by tabstop) when you press tab; you might want to use softtabstop to make backspace work properly (that is, reduce indentation when that's what would happen should tabs ...
How to debug Apache mod_rewrite
...ng off. If you forget you'll fill your hard disk up fairly promptly, especially on a production server.
– John Hunt
May 21 '15 at 15:18
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Using Font Awesome icon for bullet points, with a single list item element
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The new fontawesome (version 4.0.3) makes this really easy to do. We simply use the following classes:
<ul class="fa-ul">
<li><i class="fa-li fa fa-check-square"></i>List icons (like these)</li>
<li><i class="fa-li fa fa-check-squ...
Dynamically changing font size of UILabel
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but this puts the text all on one line. and if I change the factLabel.numberOfLines, then the font size does not change dynamically.
– CodeGuy
Feb 1 '11 at 17:06
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How can I save an image to the camera roll?
...ng 4.3) and am not sure how to save an image to the device's camera roll. All that I have done so far is set up an IBAction for the button to save the image. What library method or function can I use to save an image to the user's camera roll?
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How to format a DateTime in PowerShell
...the -f operator does work in this form: 'format string' -f values. If you call Get-Date -format "yyyyMMdd" you call a cmdlet with some parameters. The value "yyyyMMdd" is the value for parameter Format (try help Get-Date -param Format).
-f operator
There are plenty of format strings. Look at least...
How to check if a folder exists
I am playing a bit with the new Java 7 IO features, actually I trying to receive all the xml files of a folder. But this throws an exception when the folder does not exist, how can I check if the folder exists with the new IO?
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