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MongoDB, remove object from array
...
I have a document like
I have to delete address from address array
After searching lots on internet I found the solution
Customer.findOneAndUpdate(query, {$pull: {address: addressId}}, function(err, data){
if(err) {
return res.status(500).json({'error' ...
How to get current working directory in Java?
... useful in most cases.
The following will print out the current directory from where the command was invoked regardless where the .class or .jar file the .class file is in.
public class Test
{
public static void main(final String[] args)
{
final String dir = System.getProperty("use...
I need this baby in a month - send me nine women!
...d prioritization and resource allocation abilities
A high level of respect from the existing team members
Excellent communication skills
The project must have:
A good, completed, and documented software design specification
Good documentation of things already implemented
A modular design to allo...
Java Logging vs Log4J [closed]
...nvironment? Does your configuration sound something like, "Severe messages from this class get sent via e-mail to the support guy; severe messages from a subset of classes get logged to a syslog deamon on our server; warning messages from another subset of classes get logged to a file on network dri...
Java Ordered Map
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From java 8 doc. LinkedHashMap whose order of iteration is the order in which its entries were last accessed
– TRiNE
May 15 '19 at 9:45
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Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
...o configure python. I was try 5 6 hrs for the same issue, finally its work from your idea. big thanks. I also add my answer for oddo related work.
– Ajay2707
Nov 27 '15 at 6:41
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How does one make a Zip bomb?
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Citing from the Wikipedia page:
One example of a Zip bomb is the file
45.1.zip which was 45.1 kilobytes of compressed data, containing nine
layers of nested zip files in sets of
10, each bottom layer archive
containing a...
What does “|=” mean? (pipe equal operator)
... boolean hasVibrate = DEFAULT_VIBRATE & myFlags; - can you translate from int to boolean like that in Java? That would be valid in C, but I thought in Java it had to be written as boolean hasVibrate = ((DEFAULT_VIBRATE & myFlags) == DEFAULT_VIBRATE);
– BlueRaja - Dan...
How can I represent an 'Enum' in Python?
... numbers) will install a completely different and incompatible version.
from enum import Enum # for enum34, or the stdlib version
# from aenum import Enum # for the aenum version
Animal = Enum('Animal', 'ant bee cat dog')
Animal.ant # returns <Animal.ant: 1>
Animal['ant'] # returns ...
@ variables in Ruby on Rails
...able, or making it 'const' so that it can't be modified, etc)? I'm coming from a C/C++ & Java perspective, and the really vague and optional syntax is driving me nuts!
– Dan Devine
Jun 13 '18 at 18:05
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