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Convert Python dictionary to JSON array
...sr/lib/python2.7/json/decoder.py", line 365, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python2.7/json/decoder.py", line 381, in raw_decode
obj, end = self.scan_once(s, idx)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xff in position 0: invalid start...
Get ID of last inserted document in a mongoDB w/ Java driver
... Object to ObjectId, given a com.mongodb.client.MongoCollection collection and a org.bson.Document doc, you can do the following:
collection.insert(doc);
ObjectId id = doc.getObjectId("_id");
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How do I write a “tab” in Python?
... It just moves the text over by a default number of spaces. Maybe you can draw in characters what you want to appear. Is it --> ?
– Rick Henderson
May 20 '16 at 15:29
...
Uri to default sound notification?
...tomSoundUri = Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.twirl);
Source of notification sound (I renamed to "twirl" and placed in
res->raw folder)
https://notificationsounds.com/message-tones/twirl-470
Notification builder:
NotificationCompat.Builder mBuilder =
...
The best way to remove duplicate values from NSMutableArray in Objective-C?
...wrote the answer below in 2009; in 2011, Apple added NSOrderedSet to iOS 5 and Mac OS X 10.7. What had been an algorithm is now two lines of code:
NSOrderedSet *orderedSet = [NSOrderedSet orderedSetWithArray:yourArray];
NSArray *arrayWithoutDuplicates = [orderedSet array];
If you are worried ab...
Smooth GPS data
... wrong...(Below is image url, blue is filtered locations' path, orange are raw locations) app.box.com/s/w3uvaz007glp2utvgznmh8vlggvaiifk
– umesh
Apr 28 '15 at 13:43
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Why do I need 'b' to encode a string with Base64?
..., base64 encoding has to do the encoding in the opposite direction (so the raw data is converted to 'dGVzdA') and also has a rule to tell other applications how much space is left off at the end. This is done by padding the end with '=' symbols. So, the base64 encoding of this data is 'dGVzdA==', wi...
SQL/mysql - Select distinct/UNIQUE but return all columns?
... MySQL, if that's what you're using.)
You could fetch the distinct fields and stick to picking a single arbitrary row each time.
On some platforms (e.g. PostgreSQL, Oracle, T-SQL) this can be done directly using window functions:
select *
from (
select *,
row_number() over (partition...
Reduce, fold or scan (Left/Right)?
... operator's two arguments). This way we can cumulate a result.
reduceLeft and reduceRight cumulate a single result.
foldLeft and foldRight cumulate a single result using a start value.
scanLeft and scanRight cumulate a collection of intermediate cumulative results using a start value.
Accumulate...
How to use localization in C#
...he context menu, then in the list of Visual C# Items pick "Resources file" and name it strings.resx.
Add a string resouce in the resx file and give it a good name (example: name it "Hello" with and give it the value "Hello")
Save the resource file (note: this will be the default resource file, since...