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Convert string to a variable name
I am using R to parse a list of strings in the form:
10 Answers
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The way to check a HDFS directory's size?
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hadoop fs -du -s -h /path/to/dir displays a directory's size in readable form.
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jQuery to retrieve and set selected option value of html select element
...opDownList("CoinTypes", (SelectList)ViewBag.RequiredLevel, new { @class = "form-control",@style="height: 21px;margin-top: 5px;"}) but $('#CoinTypes').val(@ViewBag.CoinType); is not selecting
– Nithin Paul
Feb 27 '15 at 9:14
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jQuery get value of selected radio button
...iple elements with the same id. I know you said you can't control how the form is created, but...try to somehow remove all the ids from the radios, or make them unique.
To get the value of the selected radio button, select it by name with the :checked filter.
var selectedVal = "";
var selected = ...
How to make a SIMPLE C++ Makefile
...de/root support.cc
and just type make at the command line. Which will perform the three steps shown above automatically.
The unindented lines here have the form "target: dependencies" and tell Make that the associated commands (indented lines) should be run if any of the dependencies are newer th...
MySQL Workbench: How to keep the connection alive
...line and in the local server settings. @Ljubitel solution solved the issue form me.
One point to note is that in Workbench 6.2 the setting is now under advanced
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How to design a product table for many kinds of product where each product has many parameters
...n stores a BLOB of semi-structured data, in XML, YAML, JSON, or some other format. This BLOB allows you to store the attributes specific to each product type. You can use fancy Design Patterns to describe this, such as Facade and Memento. But regardless you have a blob of attributes that can't be...
What is ViewModel in MVC?
...ngine):
@model CamelTrap.Models.ViewModels.LoginPageVM
@using (Html.BeginForm()) {
@Html.EditorFor(m => m);
<input type="submit" value="Save" class="submit" />
}
And actions:
[HttpGet]
public ActionResult LoginPage()
{
return View();
}
[HttpPost]
public ActionResult LoginP...
How to add leading zeros for for-loop in shell? [duplicate]
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Use the following syntax:
$ for i in {01..05}; do echo "$i"; done
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02
03
04
05
Disclaimer: Leading zeros only work in >=bash-4.
If you want to use printf, nothing prevents you from putting its result in a variable for further use:
$ foo=$(printf "%02d" 5)
$...
Convert string[] to int[] in one line of code using LINQ
I have an array of integers in string form:
6 Answers
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