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How to efficiently count the number of keys/properties of an object in JavaScript?
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If you are using Underscore.js you can use _.size (thanks @douwe):
_.size(obj)
Alternatively you can also use _.keys which might be clearer for some:
_.keys(obj).length
I highly recommend Underscore, its a tight library for doing lots of basic things. Whenever poss...
How to write to Console.Out during execution of an MSTest test
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internal class ConsoleRedirector : IDisposable
{
private StringWriter _consoleOutput = new StringWriter();
private TextWriter _originalConsoleOutput;
public ConsoleRedirector()
{
this._originalConsoleOutput = Console.Out;
Console.SetOut(_consoleOutput);
}
pub...
How can I replace every occurrence of a String in a file with PowerShell?
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(Get-Content file.txt) |
Foreach-Object {$_ -replace '\[MYID\]','MyValue'} |
Out-File file.txt
Note the parentheses around (Get-Content file.txt) is required:
Without the parenthesis the content is read, one line at a time, and flows down the pipeline until i...
append to url and refresh page
... a URL in different browsers?
This is my suggested approach:
function URL_add_parameter(url, param, value){
var hash = {};
var parser = document.createElement('a');
parser.href = url;
var parameters = parser.search.split(/\?|&/);
for(var i=0; i < paramete...
Is it possible to run a single test in MiniTest?
...b -l 25
Yup! Use Nick Quaranto's "m" gem. With it you can say:
m spec/my_spec.rb:25
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_csv.Error: field larger than field limit (131072)
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The csv file might contain very huge fields, therefore increase the field_size_limit:
import sys
import csv
csv.field_size_limit(sys.maxsize)
sys.maxsize works for Python 2.x and 3.x. sys.maxint would only work with Python 2.x (SO: what-is-sys-maxint-in-python-3)
Update
As Geoff pointed out,...
Installing Java 7 on Ubuntu
...e JDK on the desk and I set environment variables (PATH, CLASSPATH and JAVA_HOME).
From the terminal, if I type java -version I get printed
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How do I size a UITextView to its content?
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I recommend to use CGFLOAT_MAX macro instead of MAXFLOAT. Proper on both of 32/64 bit platforms.
– eonil
Aug 27 '14 at 14:18
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Multi-statement Table Valued Function vs Inline Table Valued Function
...re be an update to this answer for SQL Server 2017?: youtube.com/watch?time_continue=2&v=szTmo6rTUjM
– Ralph
Oct 10 '17 at 9:04
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How do I localize the jQuery UI Datepicker?
...ta();
$.datepicker.regional['user'] = {
monthNames: momentLocaleData._months,
monthNamesShort: momentLocaleData._monthsShort,
dayNames: momentLocaleData._weekdays,
dayNamesShort: momentLocaleData._weekdaysMin,
dayNamesMin: momentLocaleData._weekdaysMin,
firstDay: momentLoca...