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Quick way to list all files in Amazon S3 bucket?
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If you get: boto.exception.S3ResponseError: S3ResponseError: 403 Forbidden Make sure the user policy for the Access/Secret key has access to the S3.
– topherjaynes
May 27 '14 at 23:44
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Bootstrap Modal immediately disappearing
...ed Sep 11 '14 at 11:42
Rory HunterRory Hunter
3,0171111 silver badges1616 bronze badges
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SQL Server Insert if not exists
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You need to handle errors for this procedure because there will be cases where an insert will happen between the check and insert.
– Filip De Vos
Jan 7 '14 at 12:53
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Images can't contain alpha channels or transparencies
Apple has released new version of iTunes Connect & I got an error message when I tried to set Screenshots on itunes connect for my app.
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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
...native object in JavaScript, it returns undefined (rather than throwing an error, as happens when you try to refer to a non-existent variable), which is the same as what you get if the property has previously been explictly set to undefined.
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How to trigger event in JavaScript?
...eType 9 = DOCUMENT_NODE
doc = node;
} else {
throw new Error("Invalid node passed to fireEvent: " + node.id);
}
if (node.dispatchEvent) {
// Gecko-style approach (now the standard) takes more work
var eventClass = "";
// Different events have dif...
How do I use PHP namespaces with autoload?
I get this error when I try to use autoload and namespaces:
13 Answers
13
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Django REST Framework: adding additional field to ModelSerializer
...e field you want to add. No need for @property and source='field' raise an error.
class Foo(models.Model):
. . .
def foo(self):
return 'stuff'
. . .
class FooSerializer(ModelSerializer):
foo = serializers.ReadOnlyField()
class Meta:
model = Foo
fields =...
Convert a character digit to the corresponding integer in C
...r other replies, this is fine:
char c = '5';
int x = c - '0';
Also, for error checking, you may wish to check isdigit(c) is true first. Note that you cannot completely portably do the same for letters, for example:
char c = 'b';
int x = c - 'a'; // x is now not necessarily 1
The standard guara...
How do you roll back (reset) a Git repository to a particular commit? [duplicate]
...t-id>, ( 2 back ) when doing "git push -f origin master" I get "remote: error: denying non-fast-forward refs/heads/master (you should pull first)" it is my repo and I want to take it back :)
– peterk
Mar 21 '12 at 19:25
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