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Compile, Build or Archive problems with Xcode 4 (and dependencies)
...d dependencies)
Set "Always search user paths" to YES
Create a group call "Indexing headers" in your project and drag the headers to this group, DO NOT add to any targets when prompted. This includes any headers inside your .xcdatamodeld, you'll need to right-click and view package contents to find ...
How to change facet labels?
...beller=hospital_labeller)
...
This uses the levels of the data frame to index the hospital_names list, returning the list values (the correct names).
Please note that this only works if you only have one faceting variable. If you have two facets, then your labeller function needs to return a d...
IN vs OR in the SQL WHERE Clause
... is faster.
I tried both on a MySQL with 1000000 rows. When the column is indexed there is no discernable difference in performance - both are nearly instant. When the column is not indexed I got these results:
SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000, 3000, 4000, 5000, 6000, 7000, 80...
JSON Array iteration in Android/Java
...or iterator() {
return this.myArrayList.iterator();
}
This will make all instances of JSONArray iterable, meaning that the for (Object foo : bar) syntax will now work with it (note that foo has to be an Object, because JSONArrays do not have a declared type). All this works because the JSONArr...
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
...e correlations, and changing that to money gives wrong results.
select t1.index_id,t2.index_id,(avg(t1.monret*t2.monret)
-(avg(t1.monret) * avg(t2.monret)))
/((sqrt(avg(square(t1.monret)) - square(avg(t1.monret))))
*(sqrt(avg(square(t2.monret)) - square(avg(t2.monret))))...
get keys of json-object in JavaScript [duplicate]
... I am trying to convert rows from DB to JSON. I am getting numerical index along with actual column names as keys. Why I am getting numerical index?
– Nguai al
Jul 24 at 16:41
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Extracting substrings in Go
...Println
func main() {
value := "address;bar"
// Take substring from index 2 to length of string
substring := value[2:len(value)]
p(substring)
}
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What does %~dp0 mean, and how does it work?
...
@BenHooper, I is a placeholder for the variable index. 0 = the calling file, 1 = argument #1, 2 = argument #2, etc...
– Chris
Jun 21 '12 at 16:43
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What linux shell command returns a part of a string? [duplicate]
...{parameter##remove_matching_prefix}
${parameter%%remove_matching_suffix}
Indexed substring expansion (special behaviours with negative offsets, and, in newer Bashes, negative lengths):
${parameter:offset}
${parameter:offset:length}
${parameter:offset:length}
And of course, the much useful expan...
Recursive search and replace in text files on Mac and Linux
...the linux shell, the following command will recursively search and replace all instances of 'this' with 'that' (I don't have a Linux shell in front of me, but it should do).
...