Alex Gonzalez

I want to know what xpath text equals to?

Regarding your question - What xpath text equals, let me share my findings. First of all //button[contains(text(),'BUY NOW')] doesn't really look up the element in Chrome dev tools. But //button[contains(.,'BUY NOW')] does the trick. If to copy paste form to this site and try to apply this xpath, it will show up the…

QA Testing

Answered Apr 27, 2022 · 1.5K Views Read answer →

How can I get automated screenshots of multiple sizes?

There are multiple ways to get automated screenshots depending on whether you need a full page screenshot, whether the page requires some inputs to get the expected state and which device you are trying to simulate. For instance changing the size of the window is not enough to simulate a mobile device since you'll…

Cyber Security

Answered Feb 15, 2022 · 1.3K Views Read answer →

Is there a need to store bcrypt salt?

From a description of bcrypt at Wikipedia: ... The rest of the hash string includes the cost parameter, a 128-bit salt (Radix-64 encoded as 22 characters), and 184 bits of the resulting hash value (Radix-64 encoded as 31 characters) Thus, the bcrypt salt is automatically included in the output string which means there…

SQL Server

Answered Jan 6, 2022 · 1.4K Views Read answer →

Is MD5 a secure cryptographic hash function?

MD5 hashes are no longer considered cryptographically secure methods and should not be used for cryptographic authentication, according to IETF. I have been working with MD5 and Sha512, to answer the question - Is MD5 secure, I had put my little hacker expert on it, until it both hit us like a thunder! The most simple…

SQL Server

Answered Dec 14, 2021 · 814 Views Read answer →

is xampp safe to install on my home computer to test PHP code?

Apache and MySQL can be configured so that they only listen to requests from your own computer. For most test systems this is fine and it greatly reduces the risk because the services are not reachable from the Internet. Before you start XAMPP for the first time find and edit these files: For Apache edit the files…

SQL Server

Answered Nov 26, 2021 · 1.2K Views Read answer →

Replace None with NaN in pandas dataframe

Use DataFrame.fillna or Series.fillna which will help in replacing the Python object None, not the string 'None'. import pandas as pd For dataframe: df.fillna(value=pd.np.nan, inplace=True) For column or series: df.mycol.fillna(value=pd.np.nan, inplace=True)

Data Science

Answered Jul 8, 2021 · 5.0K Views Read answer →

You have not concluded your merge (MERGE_HEAD exists)

The main reason for this kind of error is your previous pull failed to merge_head exists and went to conflict state. And the conflict was not resolved before the next pull To remove this you need to undo a merge and pull again For that git merge --abort git reset --mergeAnd then you can resolve merge_head exists.

Devops

Answered Apr 2, 2021 · 3.1K Views Read answer →

Multiprocessing vs Threading Python

Python

Answered Mar 11, 2021 · 533 Views Read answer →

python open built-in function: difference between modes a, a+, w, w+, and r+?

w: Opens in write-only mode. The pointer is placed at the beginning of the file and this will overwrite any existing file with the same name. It will create a new file if one with the same name doesn't exist. a: Opens a file for appending new information to it. The pointer is placed at the end of the file. A new file…

Python

Answered Mar 3, 2021 · 1.8K Views Read answer →

What is ELB?

Elastic Load Balancing provides a way to distribute incoming traffic to EC2 instances (where auto-scaling groups of EC2 instances), containers, IP addresses, Lambda functions, etc. ELB is designed for high availability.

AWS

Answered Nov 9, 2019 · 1.5K Views Read answer →