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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
... is a history in C of doing things like:
while (*a++ = *b++);
to copy a string, perhaps this is the source of the excessive trickery he is referring to.
And there's always the question of what
++i = i++;
or
i = i++ + ++i;
actually do. It's defined in some languages, and in other's ther...
Difference between local and global indexes in DynamoDB
...OBAL_RANGE_US_TS)
@DynamoDBAttribute(attributeName = PROPERTY_USER)
public String getUser() {
return user;
}
For range index associated to the global index:
@DynamoDBIndexRangeKey(globalSecondaryIndexName = INDEX_GLOBAL_RANGE_US_TS)
@DynamoDBAttribute(attributeName = PROPERTY_TIMESTAMP)
public...
In Docker, what's the difference between a container and an image? [duplicate]
What's the difference between a container and an image in Docker? In the Get started with Docker tutorial these terms are both used, but I do not understand the difference.
...
MySQL root password change
...
> UPDATE mysql.user SET authentication_string=PASSWORD('MyNewPass') WHERE user='root'; >FLUSH PRIVILEGES; In MySQL version 5.7.x there is no more password field in the mysql table. It was replaced with authentication_string.
– Robert Antho...
Difference between string and text in rails?
...new web app using Rails, and was wondering, what's the difference between string and text ? And when should each be used?
...
Programmatically get the version number of a DLL
...g scheme with something like "1.2012.0508.0101", when one gets the version string you'll actually get "1.2012.518.101"; note the missing zeros.
So, here's a few extra functions to get the version of a DLL (embedded or from the DLL file):
public static System.Reflection.Assembly GetAssembly(str...
What is the proper way to comment functions in Python?
...
The correct way to do it is to provide a docstring. That way, help(add) will also spit out your comment.
def add(self):
"""Create a new user.
Line 2 of comment...
And so on...
"""
That's three double quotes to open the comment and another three doub...
How to get the full path of running process?
...rocess = Process.GetCurrentProcess(); // Or whatever method you are using
string fullPath = process.MainModule.FileName;
//fullPath has the path to exe.
There is one catch with this API, if you are running this code in 32 bit application, you'll not be able to access 64-bit application paths, so...
Why do we use __init__ in Python classes?
...ike add or __init__) purpose is to describe how to convert the object to a string, like when you print it out.
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Pretty printing JSON from Jackson 2.2's ObjectMapper
... of org.fasterxml.jackson.databind.ObjectMapper and would like to get a String with pretty JSON. All of the results of my Google searches have come up with Jackson 1.x ways of doing this and I can't seem to find the proper, non-deprecated way of doing this with 2.2. Even though I don't believe t...