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Efficiency of premature return in a function
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@Philip what register addition? There is no extra instruction in the path at all.
– Marquis of Lorne
Oct 26 '11 at 1:15
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How do I read and parse an XML file in C#?
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XmlDocument to read an XML from string or from file.
XmlDocument doc = new XmlDocument();
doc.Load("c:\\temp.xml");
or
doc.LoadXml("<xml>something</xml>");
then find a node below it ie like this
XmlNode node = doc.DocumentElement.SelectSi...
JavaScript validation for empty input field
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An input field can have whitespaces, we want to prevent that.
Use String.prototype.trim():
function isEmpty(str) {
return !str.trim().length;
}
Example:
const isEmpty = str => !str.trim().length;
document.getElementById("name").addEventListener("input", function() {
if(...
What's the difference between HEAD, working tree and index, in Git?
...you run git checkout ref it points HEAD to the ref you’ve designated and extracts files from it. When you run git commit it creates a new commit object, which becomes a child of current HEAD. Normally HEAD points to one of the heads, so everything works out just fine.
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jQuery access input hidden value
...@Html.HiddenFor(m => m.SomeBoolean).)
Then the following will return a string 'False', not a JS boolean!
var notABool = $('#SomeBoolean').val();
If you want to use the boolean for some logic, use the following instead:
var aBool = $('#SomeBoolean').val() === 'True';
if (aBool) { /* ...*/ }
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Python's json module, converts int dictionary keys to strings
... python's json module (included since 2.6) converts int dictionary keys to strings.
9 Answers
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Disable button in jQuery
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Use .prop instead (and clean up your selector string):
function disable(i){
$("#rbutton_"+i).prop("disabled",true);
}
generated HTML:
<button id="rbutton_1" onclick="disable(1)">Click me</button>
<!-- wrap your onclick in quotes -->
But the ...
Parsing HTML into NSAttributedText - how to set font?
...the answer given by Javier Querol
extension UILabel {
func setHTMLFromString(text: String) {
let modifiedFont = NSString(format:"<span style=\"font-family: \(self.font!.fontName); font-size: \(self.font!.pointSize)\">%@</span>", text) as String
let attrStr = try! NS...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
...l as shown above showed true.
If you simply add an additional pipe to Out-String to every test above, the #s change radically (or just paste the ones below) and as you can see for yourself, the Out-Null actually becomes FASTER in many cases:
$GetProcess = Get-Process
# Batch 1 - Test 1
(Measure-...
MVC3 DropDownListFor - a simple example?
...d to map the value that is selected on this drop-down back into the simple string property on my view model?
4 Answers
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