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Should I use pt or px?
...ou hold it close to your eyes, like a mobile phone, at arms length, like a computer monitor, or somewhere in between, like a book? The px is thus not defined as a constant length, but as something that depends on the type of device and its typical use.
To get an idea of the appearance of a px, imagi...
What are the implications of using “!important” in CSS? [duplicate]
...e. Even though one !important can be a useful short-term solution, it will come back to bite you in the ass in the long run.
When is it okay to use:
Overriding styles in a user stylesheet.
This is what !important was invented for in the first place: to give the user a means to override website sty...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
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When it comes to database queries, always try and use prepared parameterised queries. The mysqli and PDO libraries support this. This is infinitely safer than using escaping functions such as mysql_real_escape_string.
Yes, mysql_rea...
What is the difference between ng-if and ng-show/ng-hide
...e CSS class is added to the class attribute on the element causing it to become hidden. When true, the ng-hide CSS class is removed from the element causing the element not to appear hidden.
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Accessing MVC's model property from Javascript
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What is the best way to implement nested dictionaries?
...d you don't know what you're going to get for keys, but repetitive usage becomes quite burdensome, and I don't think anyone would want to keep up the following:
d = dict()
d.setdefault('foo', {}).setdefault('bar', {})
d.setdefault('foo', {}).setdefault('baz', {})
d.setdefault('fizz', {}).setdefault...
Why don't self-closing script elements work?
...l, “do not” isn't the same as “must not”. This is a guideline (for compatibility, as suggested by the section title), not a rule.
– Konrad Rudolph
Sep 16 '08 at 13:11
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How to use Git and Dropbox together effectively?
...think that Git on Dropbox is great. I use it all the time. I have multiple computers (two at home and one at work) on which I use Dropbox as a central bare repository. Since I don’t want to host it on a public service, and I don’t have access to a server that I can always SSH to, Dropbox takes c...
What is the difference between _tmain() and main() in C++?
...yte character set, they've defined _tmain which, if Unicode is enabled, is compiled as wmain, and otherwise as main.
As for the second part of your question, the first part of the puzzle is that your main function is wrong. wmain should take a wchar_t argument, not char. Since the compiler doesn't ...
Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
A sensitive operation in my lab today went completely wrong. An actuator on an electron microscope went over its boundary, and after a chain of events I lost $12 million of equipment. I've narrowed down over 40K lines in the faulty module to this:
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