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Getting LaTeX into R Plots
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Here's an example using ggplot2:
q <- qplot(cty, hwy, data = mpg, colour = displ)
q + xlab(expression(beta +frac(miles, gallon)))
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How do I remove diacritics (accents) from a string in .NET?
...parating the "base" characters from the diacritics) and then scans the result and retains only the base characters. It's just a little complicated, but really you're looking at a complicated problem.
Of course, if you're limiting yourself to French, you could probably get away with the simple table...
Inverse dictionary lookup in Python
... first only that it be the first match and that it's behavior is stable (multiple calls on same dict over time should yield same matching element). Unless dictionaries rearrange their unmodified hashes over time as other elements get added, removed or modified it would still work suitably. A naive...
postgresql - sql - count of `true` values
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SELECT COALESCE(sum(CASE WHEN myCol THEN 1 ELSE 0 END),0) FROM <table name>
or, as you found out for yourself:
SELECT count(CASE WHEN myCol THEN 1 END) FROM <table name>
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Is it a bad practice to use break in a for loop? [closed]
...ble loops. If the body of your loop spans several screen lengths and has multiple nested sub-blocks, yes, you could easily forget that some code won't be executed after the break. If, however, the loop is short and to the point, the purpose of the break statement should be obvious.
If a loop is get...
How do I record audio on iPhone with AVAudioRecorder?
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//[recorder deleteRecording];
NSFileManager *fm = [NSFileManager defaultManager];
err = nil;
[fm removeItemAtPath:[url path] error:&err];
if(err)
NSLog(@"File Manager: %@ %d %@", [err domain], [err code], [[err userInfo] description]);
UIBarButtonItem *startButton = [[UIBarButtonIte...
How do I add a class to a given element?
...ment. First, put an id on the element so you can easily get a reference.
<div id="div1" class="someclass">
<img ... id="image1" name="image1" />
</div>
Then
var d = document.getElementById("div1");
d.className += " otherclass";
Note the space before otherclass. It's impo...
Get position/offset of element relative to a parent container?
... being the nearest parent element with a position of relative or absolute
Alternatively, you can always use Zepto to get the position of an element AND its parent, and simply subtract the two:
var childPos = obj.offset();
var parentPos = obj.parent().offset();
var childOffset = {
top: childPos.t...
How to add additional fields to form before submit?
...h some hidden params.
$("#form").submit( function(eventObj) {
$("<input />").attr("type", "hidden")
.attr("name", "something")
.attr("value", "something")
.appendTo("#form");
return true;
});
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How to set the current working directory? [duplicate]
...ort os >>> os.chdir(Users/Me/Desktop/M/PTS/Python/t1.py) File "<stdin>", line 1 os.chdir(/Users/Me/Desktop/M/PTS/Python/t1.py) ^ SyntaxError: invalid syntax >>>
– Pooja25
Nov 4 '15 at 20:48
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