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String concatenation does not work in SQLite
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For comparison,
SQLite ||
Oracle CONCAT(string1, string2) or ||
MySQL CONCAT(string1, string2, string3...) or || if PIPES_AS_CONCAT enabled
Postgres ...
Remove commas from the string using JavaScript
...test case: jsfiddle.net/TtYpH
– Shadow Wizard is Ear For You
Apr 26 '11 at 10:10
1
It's 2017, is ...
Take the content of a list and append it to another list
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Since list.extend() accepts an arbitrary iterable, you can also replace
for line in mylog:
list1.append(line)
by
list1.extend(mylog)
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jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
I know jQuery has a helper method for parsing unit strings into numbers. What is the jQuery method to do this?
6 Answers
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Lowercase JSON key names with JSON Marshal in Go
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Have a look at the docs for encoding/json.Marshal.
It discusses using struct field tags to determine how the generated json is formatted.
For example:
type T struct {
FieldA int `json:"field_a"`
FieldB string `json:"field_b,omitempty"`
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Python creating a dictionary of lists
I want to create a dictionary whose values are lists. For example:
6 Answers
6
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Stream vs Views vs Iterators
...itself. What makes it special in Scala is the fact that you can apply transformation such as map and filter and simply get a new Iterator which will only apply these transformations when you ask for the next element.
Scala used to provide iterators which could be reset, but that is very hard to sup...
Declare variable in table valued function
...e first example is known as an "Inline Table-Valued Function" which has performance benefits compared to a Multi-statement Table-Valued Function, namely the database server can recompose the query with the ITVF inlined into the parent query, essentially becoming a parameterised VIEW whereas a MSTVF ...
MS-DOS Batch file pause with enter key
Is it possible in MS-DOS batch file to pause the script and wait for user to hit enter key?
5 Answers
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How to compare two tags with git?
...e changed:
$ git diff tag1 tag2 --stat
and then look at the differences for some particular file:
$ git diff tag1 tag2 -- some/file/name
A tag is only a reference to the latest commit 'on that tag', so that you are doing a diff on the commits between them.
Also, a good reference: http://learn...