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Order a List (C#) by many fields? [duplicate]
...rBy doesn't sort the original collection, it returns an IOrderedEnumerable<T>, so you need to assign the results of OrderBy to a variable. e.g. customers = customers.OrderBy(c=>c.Surname).ThenBy(c.Forename).ToList();
– Pseudonymous
May 31 '17 at 10:59
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How to sort ArrayList in decreasing order?
How to sort an ArrayList<Long> in Java in decreasing order?
14 Answers
14
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How can I check ModelState.IsValid from inside my Razor view [duplicate]
...lable in the view?
Of course:
@if (!ViewData.ModelState.IsValid)
{
<div>There are some errors</div>
}
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npm install from Git in a specific version
...L or Git URL. To specify a version with a Git URL, include an appropriate <commit-ish>, such as a tag, at the end as a URL fragment.
Example, for a tag named 0.3.1:
"dependencies": {
"myprivatemodule": "git@github.com:...#0.3.1"
}
Note: The above snippet shows the base URL the same as...
Which letter of the English alphabet takes up most pixels?
...Child(div);
var highestWidth = 0;
var elem;
for(var i = capsIndex; i < capsIndex + 26; i++) {
div.innerText = String.fromCharCode(i);
var computedWidth = window.getComputedStyle(div, null).getPropertyValue("width");
if(highestWidth < parseFloat(computedWidth)) {
hi...
C# Regex for Guid
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This one is quite simple and does not require a delegate as you say.
resultString = Regex.Replace(subjectString,
@"(?im)^[{(]?[0-9A-F]{8}[-]?(?:[0-9A-F]{4}[-]?){3}[0-9A-F]{12}[)}]?$",
"'$0'");
This matches the following styles, which are all equivalent and acceptable formats for a GU...
How to suppress scientific notation when printing float values?
...48603e-17
>>> '{:f}'.format(a)
'-0.000000'
as shown above, default is 6 digits! This is not helpful for our case example, so instead we could use something like this:
>>> '{:.20f}'.format(a)
'-0.00000000000000007186'
Update
Starting in Python 3.6, this can be simplified with ...
Error when changing to master branch: my local changes would be overwritten by checkout
... answered Mar 15 '14 at 14:20
keltarkeltar
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Open Graph namespace declaration: HTML with XMLNS or head prefix?
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Nothing will break right now, but relying on defaults is rarely a good idea when you can be explicit. If 2 years down the road we change the defaults, your site will break. Also, if you declare your namespaces directly it will help other parsers not just Facebook.
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Best way to concatenate List of String objects? [duplicate]
...he Commons Lang.
import org.apache.commons.lang3.StringUtils;
String result = StringUtils.join(list, ", ");
If you are fortunate enough to be using Java 8, then it's even easier...just use String.join
String result = String.join(", ", list);
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