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Getting the last argument passed to a shell script
$1 is the first argument.
$@ is all of them.
27 Answers
27
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How to get the error message from the error code returned by GetLastError()?
After a Windows API call, how can I get the last error message in a textual form?
11 Answers
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Realistic usage of the C99 'restrict' keyword?
...aw it mentioned. I read a brief description, stating that it would be basically a promise from the programmer that the pointer won't be used to point somewhere else.
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Are there legitimate uses for JavaScript's “with” statement?
...ous as to how I might make effective use of with , while avoiding its pitfalls.
31 Answers
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How to pick just one item from a generator?
... would use the second syntax given in my answer, next(g). This will internally call g.__next__(), but you don't really have to worry about that, just as you usually don't care that len(a) internally calls a.__len__().
– Sven Marnach
Apr 10 '14 at 10:31
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How to properly reuse connection to Mongodb across NodeJs application and modules
...lhost:27017";
var _db;
module.exports = {
connectToServer: function( callback ) {
MongoClient.connect( url, { useNewUrlParser: true }, function( err, client ) {
_db = client.db('test_db');
return callback( err );
} );
},
getDb: function() {
return _db;
}
};
To...
Checking if form has been submitted - PHP
...for in some cases (e.g. with check boxes and button without a name). You really should use:
if ($_SERVER['REQUEST_METHOD'] == 'POST')
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When to delete branches in Git?
... uses, if you keep it around. That said, I would delete the branch because all the commits are already there in the history of master, so it does make things much cleaner.
– MatrixFrog
Mar 17 '11 at 3:37
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Does this app use the Advertising Identifier (IDFA)? - AdMob 6.8.0
...it Ad Tracking.
Including Limit Ad Tracking. This is what the last box is all about. So you must check the that box if you use AdMob. If you use other SDK I strongly recommend checking if they respect the guidelines as well.
Since I run only ads (Google AdMob), I checked the first (Serve ads...) a...
How does type Dynamic work and how to use it?
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Scalas type Dynamic allows you to call methods on objects that don't exist or in other words it is a replica of "method missing" in dynamic languages.
It is correct, scala.Dynamic doesn't have any members, it is just a marker interface - the co...