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How to write PNG image to string with the PIL?
...r me :( I got this KeyError in Imaging/PIL/Image.pyc line 1423 -> raise KeyError(ext) # unknown extension
– Radian
Mar 31 '11 at 17:21
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How to handle many-to-many relationships in a RESTful API?
...layer doesn't exist, we need to:
POST /players { "Name": "Murray" } //=> 302 /players/5
POST /teams/1/players/5
However, should the client operation fail after the POST to /players, we've created a player that doesn't belong to a team:
POST /players { "Name": "Murray" } //=> 302 /players...
Where can I find WcfTestClient.exe (part of Visual Studio)
...
In addition, one can add this to the Visual Studio Tools menu.
Tools => External Tools.
And then in the Command box enter the path for WcfTestClient.exe.
In my case
C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\WcfTestClient.exe
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How to check if array element exists or not in javascript?
... the item is there, but it's value is undefined; use this answer instead -> stackoverflow.com/questions/1098040/…
– Matus
May 17 '14 at 21:25
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PostgreSQL query to return results as a comma separated list
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You can generate a CSV from any SQL query using psql:
$ psql
> \o myfile.csv
> \f ','
> \a
> SELECT col1 AS column1, col2 AS column2 ... FROM ...
The resulting myfile.csv will have the SQL resultset column names as CSV column headers, and the query tuples as CSV rows.
h...
How do the post increment (i++) and pre increment (++i) operators work in Java?
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Does this help?
a = 5;
i=++a + ++a + a++; =>
i=6 + 7 + 7; (a=8)
a = 5;
i=a++ + ++a + ++a; =>
i=5 + 7 + 8; (a=8)
The main point is that ++a increments the value and immediately returns it.
a++ also increments the value (in the background) but returns unchange...
lodash multi-column sortBy descending
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Deep field & multi field & different direction ordering
Lodash >4
var sortedArray = _.orderBy(mixedArray,
['foo','foo.bar','bar.foo.bar'],
['desc','asc','desc']);
...
What does “#pragma comment” mean?
... dependencies, as if you had added it in the project properties at Linker->Input->Additional dependencies
See #pragma comment on MSDN
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How to do a LIKE query in Arel and Rails?
...r.arel_table
query_string = "%#{params[query]}%"
param_matches_string = ->(param){
users[param].matches(query_string)
}
User.where(param_matches_string.(:name)\
.or(param_matches_string.(:description)))
...
Difference between CTE and SubQuery?
...every place you wish to use it, you are able to define it once, but have multiple references to it.
However, this does not mean that it is executed only once (as per previous iterations of this very answer, thank you to all those that have commented). The query definitely has the potential to be e...