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Make elasticsearch only return certain fields?
...er. If you're searching with JSON it'll look something like this:
{
"_source": ["user", "message", ...],
"query": ...,
"size": ...
}
In ES 2.4 and earlier, you could also use the fields option to the search API:
{
"fields": ["user", "message", ...],
"query": ...,
"size":...
Flatten nested dictionaries, compressing keys
...ng the dictionary at final step.
import collections
def flatten(d, parent_key='', sep='_'):
items = []
for k, v in d.items():
new_key = parent_key + sep + k if parent_key else k
if isinstance(v, collections.MutableMapping):
items.extend(flatten(v, new_key, sep=s...
How do you get current active/default Environment profile programmatically in Spring?
...
This line gives this error: Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'spring.profiles.active' in value "${spring.profiles.active}"
– zygimantus
Jan 4 '18 at 9:07
...
Pickle or json?
...ccf1b3fa91f4399902bb534/raw/03e8dbab11b5605bc572bc117c8ac34cfa959a70/pickle_vs_json.py
python pickle_vs_json.py
Results with python 2.7 on a decent 2015 Xeon processor:
Dir Entries Method Time Length
dump 10 JSON 0.017 1484510
load 10 JSON 0.375 -
dump 10 Pickle 0.011 ...
How to add an integer to each element in a list?
...
new_list = [x+1 for x in my_list]
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How to rename a table in SQL Server?
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If you try exec sp_rename and receieve a LockMatchID error then it might help to add a use [database] statement first:
I tried
exec sp_rename '[database_name].[dbo].[table_name]', 'new_table_name';
-- Invalid EXECUTE statement using object "Object", method "LockMatchID".
...
No module named setuptools
... file of twilio. When I install it through given command it is given me an error:
5 Answers
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How to declare a local variable in Razor?
...should be treated as Razor/C#, and what shouldn't. If you ever get a Razor error, adding { } tags is usually the first step
– Jon Story
Oct 8 '15 at 10:16
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Can I mix Swift with C++? Like the Objective-C .mm files
...rom ObjCtoCPlusPlus.mm to ObjCtoCPlusPlus.h file, the compiler return this error: <unknown>:0: error: failed to import bridging header '/Users/Ale/Downloads/shared-master/C-ObjC-Swift/Performance_Console/Performance_Console/Performance_Console-Bridging-Header.h' it's possible move this impo...
How to copy a file from one directory to another using PHP?
...build it myself because all answers i got on the internet was giving me an error.
$dirPath1 = "users/$uniqueID"; #creating main folder and where $uniqueID will be called by a database when a user login.
$result = mkdir($dirPath1, 0755);
$dirPath2 = "users/$uniqueID/profile"; #su...