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“/usr/bin/ld: cannot find -lz”
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I had the exact same error, and like you, installing zlib1g-dev did not fix it. Installing lib32z1-dev got me past it. I have a 64 bit system and it seems like it wanted the 32 bit library.
shar...
CSS transition shorthand with multiple properties?
...n: height 0.3s ease-out, opacity 0.3s ease 0.5s;
Or just transition them all:
-webkit-transition: all 0.3s ease-out;
-moz-transition: all 0.3s ease-out;
-o-transition: all 0.3s ease-out;
transition: all 0.3s ease-out;
Here is a straightforward example. Here is another one with the delay propert...
Check whether or not the current thread is the main thread
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165
Have a look at the NSThread API documentation.
There are methods like
- (BOOL)isMainThread...
Remove rows with all or some NAs (missing values) in data.frame
...G00000221312 0 1 2 3 2
na.omit is nicer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe:
> final[complete.cases(final[ , 5:6]),]
gene hsap mmul mmus rnor cfam
2 ENSG00000199674 0 2 2 ...
How to determine equality for two JavaScript objects?
...y = function() {
if (c === undefined) c = a * b // imagine * is really expensive
return c;
}
}
In this above case, c is not really important to determine whether any two instances of MyClass are equal, only a and b are important. In some cases c might vary between instance...
Trim trailing spaces in Xcode
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Starting from Xcode 4.4 whitespaces will be trimmed automatically by default, unless the line is all whitespace. You can also activate Including whitespace-only lines to fix this, which is not active by default.
Go to Xcode > Preferences > Text Editing > While editing
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How can sbt pull dependency artifacts from git?
... Kipton BarrosKipton Barros
19.7k33 gold badges6161 silver badges7575 bronze badges
7
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How to position a div in the middle of the screen when the page is bigger than the screen
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16 Answers
16
Active
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How do I list the functions defined in my shell?
I can type alias to show a list of all the aliases.
8 Answers
8
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How to display HTML tags as plain text [duplicate]
I have an input form on my website where HTML is allowed and I'm trying to add instructions about the use of HTML tags. I'd like the text to
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