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Can I embed a custom font in an iPhone application?
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Before anyone else spends 3 hours installing fontforge in order to find the actual postscript name of the font required by iOS. I'll point out that you can simply press Cmd+I on the font in font book to find this information.
– Daniel Wood
Mar ...
Is there an S3 policy for limiting access to only see/access one bucket?
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In order to see the list of buckets in the console (and therefore use the console for bucket access) you must grant ListAllMyBuckets and GetBucketLocation for all S3 buckets ("arn:aws:s3:::*" will work rather than "*" for the re...
data.frame rows to a list
...Moreover, all methods I tried with the data.frame function were roughly an order of magnitude slower than the data.table techniques.
data
dat <- vector("list", 50)
for(i in 1:50) dat[[i]] <- iris
dat <- setDF(rbindlist(dat))
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error opening HPROF file: IOException: Unknown HPROF Version
...s directory nevertheless. I had to chmod permissions in that directory in order for it to work.
– IgorGanapolsky
Feb 23 '12 at 23:56
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Difference between single and double square brackets in Bash
...exicographically
using the current locale. The test command uses ASCII
ordering.
(The test command is identical to [ ] )
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How can I pretty-print JSON in a shell script?
...select '.url' --outfmt text | grep mydomain"; now I have a chronologically ordered list of all URL fetches made during the loading of my company's site.
Pretty printing is easy:
underscore -i data.json print
Same thing:
cat data.json | underscore print
Same thing, more explicit:
cat data.jso...
Difference between break and continue statement
...ile loops. The break statement will only break out of the current loop. In order to break out of an outer loop from a nested inner loop, you would need to use labels with the break statement.
for(int i=0; i<10; i++) {
System.out.println(i);
if(i==4) {
break;
}
}
Output:
0
1
2
3
4
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How to automatically install Emacs packages by specifying a list of package names?
I am using package to manage my Emacs extensions. In order to synchronize my Emacs settings on different computers, I'd like a way to specify a list of package names in .emacs file and then package could automatically search and install the packages, so that I don't need to install them manual...
Collections.emptyMap() vs new HashMap()
... then returning a view to the underlying collection makes perfect sense in order to make sure that a "bad" client does not accidentally modify collections owned by you. Returning an empty collection instead of null means that your client does not have to make a null check before using the collection...
Suppress Scientific Notation in Numpy When Creating Array From Nested List
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