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MySQL: Large VARCHAR vs. TEXT?
... in the page size (16KB and each page must hold at least two rows). If the string is too large for that, it overflows to additional pages. See mysqlperformanceblog.com/2010/02/09/blob-storage-in-innodb for a detailed explanation.
– Bill Karwin
Jan 1 '14 at 21:4...
Node.js throws “btoa is not defined” error
...4 you could do so using Buffer:
console.log(Buffer.from('Hello World!').toString('base64'));
Reverse (assuming the content you're decoding is a utf8 string):
console.log(Buffer.from(b64Encoded, 'base64').toString());
Note: prior to Node v4, use new Buffer rather than Buffer.from.
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
...om a character field representation to a date you can use:
select date(substring('2011/05/26 09:00:00' from 1 for 10));
Test code:
create table test_table (timestamp_field timestamp);
insert into test_table (timestamp_field) values(current_timestamp);
select timestamp_field, date(timestamp_field...
Is there a Boolean data type in Microsoft SQL Server like there is in MySQL? [duplicate]
... 9 up to 16 bit columns, the columns are stored as 2 bytes, and so on.
The string values TRUE and FALSE can be converted to bit values: TRUE is converted to 1 and FALSE is converted to 0.
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Using Html.ActionLink to call action on different controller
...Product", new { id=item.ID }, null) %>
It fires HtmlHelper.ActionLink(string linkText, string actionName, string controllerName, object routeValues, object htmlAttributes)
I'm using MVC 4.
Cheerio!
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How can I mock dependencies for unit testing in RequireJS?
...str.js didn't work for me, but I've come to the conclusion that the use of extra contexts is actually quite alright and in fact in line with how require.js was meant to be used for mocking/stubbing.
– Chris Salzberg
Jun 24 '13 at 14:10
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Android EditText Max Length [duplicate]
...in why this would work versus using an app constant? Seems like having the char limit as a value in xml shouldn't change how the text buffer works.
– Elliott
Jan 13 '14 at 19:48
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How to use querySelectorAll only for elements that have a specific attribute set?
... @blackHawk The syntax uses CSS Selectors. As specified by MDN it "is a string containing one or more CSS selectors separated by commas". You can read about CSS Selectors here.
– martieva
Oct 21 '16 at 14:52
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Difference between numpy.array shape (R, 1) and (R,)
...ingle elements, so is printed by Python with a trailing comma. Without the extra comma, it would be ambiguous with an expression in parenthesis. A ndarray with a single dimension can be though of as a column vector of length R. In the (R, 1) case, the tuple has two elements, so can be thought of as ...
Using 'starts with' selector on individual class names
.... It would be marginally faster (at best) because it would not have to substring the class attribute. Negligible.
– Josh Stodola
Feb 1 '10 at 16:58
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