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How do I convert a PDF document to a preview image in PHP? [closed]
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From my answer below - If you're loading the PDF from a blob this is how you get the first page instead of the last page: $im->readimageblob($blob); $im->setiteratorindex(0);
– jrjohnson
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How do I exchange keys with values in a dictionary?
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yes, from python.org/dev/peps/pep-3106 The specification implies that the order in which items are returned by .keys(), .values() and .items() is the same (just as it was in Python 2.x), because the order is all derived from the d...
How to convert CFStringRef to NSString?
How can I get a new NSString from aCFString ?
8 Answers
8
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How to get temporary folder for current user
...ook at http://msdn.microsoft.com/en-us/library/aa364992(VS.85).aspx
Copied from that page:
The GetTempPath function checks for the existence of environment variables in the following order and uses the first path found:
The path specified by the TMP environment variable.
The path specified by the ...
C dynamically growing array
... shouldn't assume the role of a teacher, for example. I often read answers from those who seemingly don't know how to use realloc (i.e. the currently accepted answer!) telling others how to use it incorrectly, occasionally under the guise that they've omitted error handling, even though this is a co...
Determine which MySQL configuration file is being used
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Taken from the fantastic "High Performance MySQL" O'Reilly book:
$ which mysqld
/usr/sbin/mysqld
$ /usr/sbin/mysqld --verbose --help | grep -A 1 "Default options"
Default options are read from the following files in the given ord...
Load different colorscheme when using vimdiff
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If you're calling vimdiff from the command-line, put the following in your .vimrc:
if &diff
colorscheme some_other_scheme
endif
If you're using vimdiff from within vim, you'd either have to override the commands you use to start/stop it (e....
Newline in string attribute
...d/or text editor use. For instance, if you write that and commit it to git from a linux systems, everything may seem fine -- but if someone clones it to Windows, git will convert your line endings to \r\n and depending on what your string is for ... you might break the world.
Just be aware of that ...
Python integer division yields float
...e number of people do not realize this depending on the language they come from.
– mschuett
Mar 26 '19 at 15:19
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How can I change the image displayed in a UIImageView programmatically?
...about programmatically changing it. Do I have to fetch an UIImage object from that UIImageView ?
15 Answers
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