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How do I prompt for Yes/No/Cancel input in a Linux shell script?
....)
echo -n "Is this a good question (y/n)? "
old_stty_cfg=$(stty -g)
stty raw -echo ; answer=$(head -c 1) ; stty $old_stty_cfg # Careful playing with stty
if echo "$answer" | grep -iq "^y" ;then
echo Yes
else
echo No
fi
Note: This was tested under sh, bash, ksh, dash and busybox!
Same, b...
What is the usefulness of `enable_shared_from_this`?
...r this reason you must never create more than one shared_ptr from the same raw pointer.
– j_random_hacker
Apr 3 '09 at 2:31
4
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Do you (really) write exception safe code? [closed]
...can do something about a specific exception
You almost never want to see a raw new or delete in code
Eschew std::sprintf, snprintf, and arrays in general - use std::ostringstream for formatting and replace arrays with std::vector and std::string
When in doubt, look for functionality in Boost or STL ...
Create two blank lines in Markdown
...o me these tags sort of ruin my document if I want it to also look good as raw text.
– Kyle Delaney
Oct 25 '17 at 14:43
add a comment
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HTML/CSS: Making two floating divs the same height
... 100%;
}
#left-col {
float: left;
width: 50%;
background-color: orange;
padding-bottom: 500em;
margin-bottom: -500em;
}
#right-col {
float: left;
width: 50%;
margin-right: -1px; /* Thank you IE */
border-left: 1px solid black;
background-color: red;
padding-botto...
What causes javac to issue the “uses unchecked or unsafe operations” warning
...switch, it will give you more detailed information.
As well as the use of raw types (as described by the other answers), an unchecked cast can also cause the warning.
Once you've compiled with -Xlint, you should be able to rework your code to avoid the warning. This is not always possible, partic...
How can I iterate over an enum?
...I often do it like that
enum EMyEnum
{
E_First,
E_Orange = E_First,
E_Green,
E_White,
E_Blue,
E_Last
}
for (EMyEnum i = E_First; i < E_Last; i = EMyEnum(i + 1))
{}
or if not successive, but with regular step (e.g. bit flags)
...
Copy Notepad++ text with formatting?
...ipboard] and set it to CTRL+SHIFT+C --> Instant joy. CTRL+C to copy the raw text, CTRL+SHIFT+C to copy with formatting. This should be default.
– Dennis G
Nov 8 '12 at 8:39
...
Can I load a UIImage from a URL?
...one-4s-wallpapers-mobile-backgrounds-dark_2466f886de3472ef1fa968033f1da3e1_raw_1087fae1932cec8837695934b7eb1250_raw.jpg");
var err: NSError?
var imageData :NSData = NSData.dataWithContentsOfURL(url,options: NSDataReadingOptions.DataReadingMappedIfSafe, error: &err)
var bgImage = UIIm...
How to get a ListBox ItemTemplate to stretch horizontally the full width of the ListBox?
I want to have the ListItems to extend with their orange background the full width of the Listbox.
6 Answers
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