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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...
How to download an entire directory and subdirectories using wget?
...ader: wget -r -l1 --no-parent http://www.stanford.edu/~boyd/cvxbook/cvxbook_additional_exercises/ was the answer for me. Thanks your answer.
– isomorphismes
Jun 21 '14 at 17:05
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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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Get list of databases from SQL Server
...uery:
SELECT name FROM master.dbo.sysdatabases
or if you prefer
EXEC sp_databases
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How to position a div in the middle of the screen when the page is bigger than the screen
...een.width / 2) - (530 / 2);
var top = (screen.height / 2) - (500 / 2);
var _url = 'PopupListRepair.aspx';
window.open(_url, self, "width=530px,height=500px,status=yes,resizable=no,toolbar=no,menubar=no,left=" + left + ",top=" + top + ",scrollbars=no");
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How to resize a custom view programmatically?
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this.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, theSizeIWant));
Problem solved!
NOTE: Be sure to use the parent Layout's LayoutParams. Mine is LinearLayout.LayoutParams!
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Expanding a parent to the height of its children
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such an awesome css value! unsupported in Edge ¯_(ツ)_/¯
– Samer Murad
Jun 3 '19 at 11:49
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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 ...
NULL vs nullptr (Why was it replaced?) [duplicate]
...ough I suppose there are still cases it cannot replace such as std::nullptr_t as an overload. Also, I don't think I'd use (int)NULL since semantically NULL is supposed to be pointer and may be actually be defined as nullptr. You're not guaranteed to get a 0 when to cast nullptr to int. Perhaps (i...
What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]
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utf8_general_ci is a very simple — and on Unicode, very broken — collation, one that gives incorrect results on general Unicode text. What it does is:
converts to Unicode normalization form D for canonical decomposition
re...