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list every font a user's browser can display
...h. Here you can get the list of fonts without having to test for them individually using dimensions.
You are going have to decide whether to have an exact list at the expense of not working on some devices ( iDevices, browsers without Flash plugin, etc), or a partial list with better support via Ja...
Can I stretch text using CSS?
...ont to be bigger, because that makes it appear bolder than smaller text beside it. I just want to stretch the text vertically so it's kind of deformed. This would be in one div, and then the normal text beside it would be in another div. How can I do this?
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Determine distance from the top of a div to top of window with javascript
...op of the #my-element element and the top-fold.
Here is a demo: http://jsfiddle.net/Rxs2m/
Note that negative values mean that the element is above the top-fold.
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How do I make a simple makefile for gcc on Linux?
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Interesting, I didn't know make would default to using the C compiler given rules regarding source files.
Anyway, a simple solution that demonstrates simple Makefile concepts would be:
HEADERS = program.h headers.h
default: program
progr...
Get Base64 encode file-data from Input Form
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It's entirely possible in browser-side javascript.
The easy way:
The readAsDataURL() method might already encode it as base64 for you. You'll probably need to strip out the beginning stuff (up to the first ,), but that's no biggie. This would take all the fu...
mingw-w64 threads: posix vs win32
...mpiler runtime library (libgcc) which it uses for (among other things) providing a low-level OS abstraction for multithreading related functionality in the languages it supports. The most relevant example is libstdc++'s C++11 <thread>, <mutex>, and <future>, which do not have a com...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
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Assuming you are avoiding nulls, they are all ways of writing an anti-join using Standard SQL.
An obvious omission is the equivalent using EXCEPT:
SELECT a FROM table1
EXCEPT
SELECT a FROM table2
Note in Oracle you need to use the MINUS oper...
Why are we not to throw these exceptions?
...ption). Similarly, IndexOutOfRangeExceptions occur when you access an invalid index (on arrays—not lists). You should always make sure that you don’t do that in the first place and check the boundaries of e.g. an array first.
There are a few other exceptions like those two, for example InvalidC...
Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...ript code. Which is better, in terms of functionality, page load speed, validation purposes, etc.?
54 Answers
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Do HTML WebSockets maintain an open connection for each client? Does this scale?
...urces. Often setting up the connection can be expensive but maintaining an idle connection it is almost free. The first limitation that is usually encountered is the maximum number of file descriptors (sockets consume file descriptors) that can be open simultaneously. This often defaults to 1024 but...