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How to save an image locally using Python whose URL address I already know?
I know the URL of an image on Internet.
13 Answers
13
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In Clojure how can I convert a String to a number?
... "\\d+") str) (read-string str)))
I think I prefer the last solution.
And now, to your specific question. To parse something that starts with an integer, like 29px:
(read-string (second (re-matches (re-pattern "(\\d+).*") "29px"))) ; => 29
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How can a Javascript object refer to values in itself? [duplicate]
...obj = { key1: "it" };
obj.key2 = obj.key1 + ' ' + 'works!';
// obj.key2 is now 'it works!'
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Comparing two files in linux terminal
...re are two files called "a.txt" and "b.txt" both have a list of words. Now I want to check which words are extra in "a.txt" and are not in "b.txt" .
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Writing a git post-receive hook to deal with a specific branch
... fine.
Here is the exact post-update hook that I just successfully tested now on CentOS 6.3.
#!/bin/bash
echo "determining branch"
branch=`echo $1 | cut -d/ -f3`
if [ "master" == "$branch" ]; then
echo "master branch selected"
fi
if [ "staging" == "$branch" ]; then
echo "staging branch...
Allowed characters in filename [closed]
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To be more precise about Mac OS X (now called MacOS) / in the Finder is interpreted to : in the Unix file system.
This was done for backward compatibility when Apple moved from Classic Mac OS.
It is legitimate to use a / in a file name in the Finder, looki...
Advanced JavaScript: Why is this function wrapped in parentheses? [duplicate]
...o this:
window.bar = 4;
delete window.bar;
console.log(window.bar);
And now you can see how it's analogous to the foo object example and not the foo variable example.
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PostgreSQL error: Fatal: role “username” does not exist
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I'm getting "insufficient privileges", but now I get ERROR: roll "username" already exists.
– Wylliam Judd
Aug 17 '16 at 22:50
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How to fully remove Xcode 4
...d at startup. So I uninstalled 4.4, ran your command, reinstalled 4.4, and now things appear to work properly. Thank you
– Giuseppe
Sep 11 '12 at 12:46
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Is there a way to access the “previous row” value in a SELECT statement?
...from table t1, table t2
where t1.primaryKey = t2.primaryKey - 1
If you know how to order things but not how to get the previous value given the current one (EG, you want to order alphabetically) then I don't know of a way to do that in standard SQL, but most SQL implementations will have extensio...