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How to select a single field for all documents in a MongoDB collection?
In my MongoDB, I have a student collection with 10 records having fields name and roll . One record of this collection is:
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Locate the nginx.conf file my nginx is actually using
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$ nginx -V
nginx version: nginx/1.11.1
built by gcc 4.9.2 (Debian 4.9.2-10)
built with OpenSSL 1.0.1k 8 Jan 2015
TLS SNI support enabled
configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --modules-path=/usr/lib/nginx/modules --conf-path=/etc/nginx/nginx.conf ...
If you want, y...
Mongoose query where value is not null
...May 13 '13 at 22:11
numbers1311407numbers1311407
30.8k88 gold badges8080 silver badges8787 bronze badges
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Rounding a double to turn it into an int (java)
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Drupad Panchal
38333 silver badges1010 bronze badges
answered Apr 16 '10 at 17:13
Mihir MathuriaMihir Mathuria
6,...
How to use ADB to send touch events to device using sendevent command?
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edited Oct 20 '15 at 15:25
Yaron
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an...
Associativity of “in” in Python?
... return 1 in [] in 'a'
.....:
In [122]: dis.dis(func)
2 0 LOAD_CONST 1 (1)
3 BUILD_LIST 0
6 DUP_TOP
7 ROT_THREE
8 COMPARE_OP 6 (in)
11 JUMP_IF_FAL...
Must qualify the allocation with an enclosing instance of type GeoLocation
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150
Hi I found a solution for this ;-)
This error happens because you're trying to create an inst...
Shell script to delete directories older than n days
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401
This will do it recursively for you:
find /path/to/base/dir/* -type d -ctime +10 -exec rm -rf ...
Creating an empty Pandas DataFrame, then filling it?
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350
Here's a couple of suggestions:
Use date_range for the index:
import datetime
import pandas as...
Why do I need 'b' to encode a string with Base64?
...s 8-bit binary byte data and encodes it uses only the characters A-Z, a-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email.
Hence, it wants a string of 8-bit bytes. You create those in Python 3 with the b'' syntax.
If you remove the b, it be...