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Why Choose Struct Over Class?
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560
According to the very popular WWDC 2015 talk Protocol Oriented Programming in Swift (video, tr...
INSERT IF NOT EXISTS ELSE UPDATE?
...(
(select ID from Book where Name = "SearchName"),
"SearchName",
5,
6,
(select Seen from Book where Name = "SearchName"));
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How does this checkbox recaptcha work and how can I use it?
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How do I fix the “You don't have write permissions into the /usr/bin directory” error when installin
... on a brand new MacBook Pro running OS X 10.6.3, Ruby 1.8.7, and Rails 2.3.5 and I'm wondering if I've hosed myself. So far, I've run these commands:
...
How to get the Parent's parent directory in Powershell?
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159
Version for a directory
get-item is your friendly helping hand here.
(get-item $scriptPath )...
Why does range(start, end) not include end?
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251
Because it's more common to call range(0, 10) which returns [0,1,2,3,4,5,6,7,8,9] which contain...
Internet Explorer's CSS rules limits
... Internet Explorer
The rules for IE9 are:
A sheet may contain up to 4095 selectors (Demo)
A sheet may @import up to 31 sheets
@import nesting supports up to 4 levels deep
The rules for IE10 are:
A sheet may contain up to 65534 selectors
A sheet may @import up to 4095 sheets
@import nesting s...
What is the difference between HTML tags and ?
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596
div is a block element
span is an inline element.
This means that to use them semantically,...
How to store arrays in MySQL?
...mple:
CREATE TABLE person (
`id` INT NOT NULL PRIMARY KEY,
`name` VARCHAR(50)
);
CREATE TABLE fruits (
`fruit_name` VARCHAR(20) NOT NULL PRIMARY KEY,
`color` VARCHAR(20),
`price` INT
);
CREATE TABLE person_fruit (
`person_id` INT NOT NULL,
`fruit_name` VARCHAR(20) NOT NULL,
PRIMARY KEY(`person_id...
How to subtract X days from a date using Java calendar?
...en calendar field, based on the calendar's rules. For example, to subtract 5 days from the current time of the calendar, you can achieve it by calling:
Calendar calendar = Calendar.getInstance(); // this would default to now
calendar.add(Calendar.DAY_OF_MONTH, -5).
...