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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
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130
It appears that the first example
x = new Array(3);
Creates an array with undefined pointers....
How do I put the image on the right side of the text in a UIButton?
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BenjaminBenjamin
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Update date + one year in mysql
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edited Oct 5 '10 at 15:22
answered Oct 5 '10 at 15:14
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How do I restore a missing IIS Express SSL Certificate?
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answered Nov 18 '13 at 13:08
Chris SimmonsChris Simmons
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ConnectionTimeout versus SocketTimeout
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RobertRobert
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Inserting string at position x of another string
... "I want apple";
var b = " an";
var position = 6;
var output = [a.slice(0, position), b, a.slice(position)].join('');
console.log(output);
Optional: As a prototype method of String
The following can be used to splice text within another string at a desired index, with an optional remov...
Read and overwrite a file in Python
...ilename, 'r+')
text = f.read()
text = re.sub('foobar', 'bar', text)
f.seek(0)
f.write(text)
f.truncate()
f.close()
The functionality will likely also be cleaner and safer using open as a context manager, which will close the file handler, even if an error occurs!
with open(filename, 'r+') as f:
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Postgres unique constraint vs index
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Let's check uniqueness, just in case.
test=# insert into master values (0, 0);
INSERT 0 1
test=# insert into master values (0, 1);
ERROR: duplicate key value violates unique constraint "master_con_id_key"
DETAIL: Key (con_id)=(0) already exists.
test=# insert into master values (1, 0);
ERROR: ...
How to only find files in a given directory, and ignore subdirectories using bash
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205
If you just want to limit the find to the first level you can do:
find /dev -maxdepth 1 -name...
Why is MySQL's default collation latin1_swedish_ci?
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109
The bloke who wrote it was co-head of a Swedish company.
Possibly for similar reasons, Microso...