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Extract substring in Bash
...he form someletters_12345_moreleters.ext , I want to extract the 5 digits and put them into a variable.
22 Answers
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How to locate a file in Solution Explorer in Visual Studio 2010?
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There's an option to track the active (open and viewed) item in the solution explorer. If the file is in view, the file in the solution explorer will be selected.
Tools->Options->Projects and Solutions->Track Active Item in Solution Explorer
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Bootstrap 3 Flush footer to bottom. not fixed
... will position your Footer to stick to bottom if the page has less content and behave like a normal footer if the page has more content.
CSS
* {
margin: 0;
}
html, body {
height: 100%;
}
.wrapper {
min-height: 100%;
height: 100%;
margin: 0 auto -155px; /* the bottom margin is t...
What exactly is Python's file.flush() doing?
...rs created by the runtime/library/language that you're programming against and is meant to speed things up by avoiding system calls for every write. Instead, when you write to a file object, you write into its buffer, and whenever the buffer fills up, the data is written to the actual file using sys...
Linux/Unix command to determine if process is running?
I need a platform independent (Linux/Unix|OSX) shell/bash command that will determine if a specific process is running. e.g. mysqld , httpd ...
What is the simplest way/command to do this?
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How to create id with AUTO_INCREMENT on Oracle?
It appears that there is no concept of AUTO_INCREMENT in Oracle, up until and including version 11g.
16 Answers
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How to move an element into another element?
...no need for jquery in 2017 but sometimes it helps to use something lighter and similar for tasks you find yourself doing over and over again in every single project. i use cash-dom as an easy way to listen for document.ready, window.load events in a cross-browser friendly way. easy-peasy.
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Prompt Dialog in Windows Forms
...turn prompt.ShowDialog() == DialogResult.OK ? textBox.Text : "";
}
}
And calling it:
string promptValue = Prompt.ShowDialog("Test", "123");
Update:
Added default button (enter key) and initial focus based on comments and another question.
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How to remove RVM (Ruby Version Manager) from my system
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There's a simple command built-in that will pull it:
rvm implode
This will remove the rvm/ directory and all the rubies built within it. In order to remove the final trace of rvm, you need to remove the rvm gem, too:
gem uninstall rvm
If yo...
How to update a record using sequelize for node?
I'm creating a RESTful API with NodeJS, express, express-resource, and Sequelize that is used to manage datasets stored in a MySQL database.
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