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Is optimisation level -O3 dangerous in g++?
I have heard from various sources (though mostly from a colleague of mine), that compiling with an optimisation level of -O3 in g++ is somehow 'dangerous', and should be avoided in general unless proven to be necessary.
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initialize a numpy array
Is there way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do:
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Unable to export Apple production push SSL certificate in .p12 format
I am using Urban airship in my application for push notification. So, I need to download the push SSL certificate from Apple developer portal. After downloading, I added that in keychain access. But no private key was created for the certificate. When I tried to right click and export the certificat...
Method has the same erasure as another method in type
Why is it not legal to have the following two methods in the same class?
7 Answers
7
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How do I allow HTTPS for Apache on localhost?
...d this - I needed to test some development code on my localhost Apache on Windows. This was WAAAY more difficult than it should be. But here are the steps that managed to work after much hairpulling...
I found that my Apache install comes with openssl.exe which is helpful. If you don't have a co...
What is the most efficient way to loop through dataframes with pandas? [duplicate]
I want to perform my own complex operations on financial data in dataframes in a sequential manner.
10 Answers
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Read environment variables in Node.js
Is there a way to read environment variables in Node.js code?
6 Answers
6
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Change Schema Name Of Table In SQL
I want to change schema name of table Employees in Database. In the current table Employees database schema name is dbo I want to change it to exe . How can I do it ?
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Simple state machine example in C#?
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Let's start with this simple state diagram:
We have:
4 states (Inactive, Active, Paused, and Exited)
5 types of state transitions (Begin Command, End Command, Pause Command, Resume Command, Exit Command).
You can convert this to C# in a handful of ways, such as performing a switch stat...
Function return value in PowerShell
I have developed a PowerShell function that performs a number of actions involving provisioning SharePoint Team sites. Ultimately, I want the function to return the URL of the provisioned site as a String so at the end of my function I have the following code:
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