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Capturing Ctrl-c in ruby
I was passed a long running legacy ruby program, which has numerous occurrences of
5 Answers
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Why doesn't c++ have &&= or ||= for booleans?
... as per the standard.
The only way to get an invalid value into a bool is by using reinterpret_cast on pointers:
int i = 2;
bool b = *reinterpret_cast<bool*>(&i);
b |= true; // MAY yield 3 (but doesn’t on my PC!)
But since this code results in undefined behaviour anyway, we may safel...
Python hashable dicts
...practice either approach should work, though this one might be slowed down by making an unneeded itermediate list -- fixable by s/items/iteritems/ -- assuming Python 2.* as you don't say;-).
– Alex Martelli
Jul 20 '09 at 4:48
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How to pass parameters to a view
...s;
_.bindAll(this, 'render');
},
or use some finer ways as described by @Brave Dave.
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Maintaining the final state at end of a CSS3 animation
...ill-mode: forwards;
The element will retain the style values that is set by the last keyframe (depends on animation-direction and animation-iteration-count).
Note: The @keyframes rule is not supported in Internet Explorer 9 and earlier versions.
Working example
div {
width: 100px;
hei...
Replace new lines with a comma delimiter with Notepad++?
...-> EOL to space
[All the items should now be in a single line separated by a 'space']
Select any 'space' and do a Replace All (by ',')
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How to make pipes work with Runtime.exec()?
...ic.com/display/SIGAR/Home
The simplest solution, however, (as pointed out by Kaj) is to execute the piped command as a string array. Here is the full code:
try {
String line;
String[] cmd = { "/bin/sh", "-c", "ps -ef | grep export" };
Process p = Runtime.getRuntime().exec(cmd);
Bu...
Remove 'a' from legend when using aesthetics and geom_text
How can I can remove the letter 'a' from the legend generated by this code? If I remove the geom_text , then the 'a' letter will not show in the legend. I want to keep geom_text , though.
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Is element block level or inline level?
...since they do not have content per se, the element is essentially replaced by binary data.
* Note that browsers technically use display: inline (as seen in the developer tools) but they are giving special treatment to images. They still follow all traits of inline-block.
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Which one will execute faster, if (flag==0) or if (0==flag)?
...on how you've overloaded the operator == . Note that you've to overload == by defining two functions, one for each of your versions!
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