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Why are dashes preferred for CSS selectors / HTML attributes?
...ument.querySelector('#first-name');
var firstName = document.forms[0].first_name;
I find the two first options much more preferable, especially since '#first-name' can be replaced with a JavaScript variable and built dynamically. I also find them more pleasant on the eyes.
The fact that Sass enab...
Does “display:none” prevent an image from loading?
... Denys SéguretDenys Séguret
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What is the difference between an Azure Web Site and an Azure Web Role
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answered Jun 8 '12 at 0:06
David MakogonDavid Makogon
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MySql Table Insert if not exist otherwise update
... if an existing row is set to its current values. If you specify the CLIENT_FOUND_ROWS flag to mysql_real_connect() when connecting to mysqld, the affected-rows value is 1 (not 0) if an existing row is set to its current values...
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best way to get the key of a key/value javascript object
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What if I don’t wantfoo[i]to be"_proto_"?
– user2284570
May 29 '16 at 2:04
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Removing duplicate values from a PowerShell array
...'Apples ', 'APPLES', 'Banana') |
Sort-Object -Property @{Expression={$_.Trim()}} -Unique
Output:
Apples
Banana
This uses the Property parameter to first Trim() the strings, so extra spaces are removed and then selects only the -Unique values.
More info on Sort-Object:
Get-Help Sort-Objec...
How to unit test an object with database queries
... as in the following pseudo-code:
class Bar
{
private FooDataProvider _dataProvider;
public instantiate(FooDataProvider dataProvider) {
_dataProvider = dataProvider;
}
public getAllFoos() {
// instead of calling Foo.GetAll() here, we are introducing an extra layer ...
How to avoid long nesting of asynchronous functions in Node.js
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– Rudolf Meijering
Jun 27 '12 at 9:06
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LINQ: “contains” and a Lambda query
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answered Oct 14 '09 at 14:06
Rex MRex M
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How to create an installer for a .net Windows Service using Visual Studio
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answered Jan 26 '12 at 16:06
KelseyKelsey
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