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Understanding the Gemfile.lock file
...exclamation point. I’m currently seeing any gem declared inside a source block as being marked with an exclamation point.
– Sean Moubry
Mar 1 '16 at 14:24
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How to write a JSON file in C#?
...n JavaScriptSerializer
Update since .Net Core 3.0
A new kid on the block since writing this is System.Text.Json which has been added to .Net Core 3.0. Microsoft makes several claims to how this is, now, better than Newtonsoft. Including that it is faster than Newtonsoft. as above, I'd advise...
“continue” in cursor.forEach()
...this by using the filter method as it's meaningless to return in a forEach block; for an example on your snippet:
// Fetch all objects in SomeElements collection
var elementsCollection = SomeElements.find();
elementsCollection
.filter(function(element) {
return element.shouldBeProcessed;
})
.forE...
Vagrant stuck connection timeout retrying
... to the SSH timeout problem:
Make sure your firewall or antivirus is not blocking the program (which I doubt will happen often)
Give your vagrant machine some time for timeouts to happen. If you dont have a very fast PC / Mac, the VM will take while to boot into an SSH ready state, so timeouts wil...
What is the purpose of class methods?
...quick.
The object oriented way is to break down your code into manageable blocks i.e Classes & objects and functions can be associated with objects instances or with classes.
With class functions you gain another level of division in your code compared with module level functions.
So you can ...
Why does Python code use len() function instead of a length method?
...s can support iteration, overload infix operators, manage contexts in with blocks etc. You can think of the Data Model as a way of using the Python language itself as a framework where the objects you create can be integrated seamlessly.
A second reason, supported by quotes from Guido van Rossum li...
Check if OneToOneField is None in Django
...
How about using try/except blocks?
def get_profile_or_none(user, profile_cls):
try:
profile = getattr(user, profile_cls.__name__.lower())
except profile_cls.DoesNotExist:
profile = None
return profile
Then, use like thi...
Case insensitive searching in Oracle
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Comparisons for all SQL operations in the WHERE clause and in PL/SQL
blocks should use the linguistic sort specified in the NLS_SORT
parameter. To improve the performance, you can also define a
linguistic index on the column for which you want linguistic
comparisons.
So, once again, yo...
How to prevent gcc optimizing some statements in C?
...ps are optimized out as -faggressive-loop-optimization is default, only O0 blocks this. For these reasons, O0 and no volatile in the unoptimized function is now the correct answer.
– rickfoosusa
Sep 16 at 21:03
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Gradient of n colors ranging from color 1 and color 2
... What about the color with the diagonoal lines or shapes in the block ? @thelatemail
– user3631848
May 16 '16 at 8:46
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