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Merge Images Side by Side(Horizontally)
...ide-by-side allowing you to adjust spacing between each image (-geometry), and the general layout (-tile).
montage [0-5].png -tile 5x1 -geometry +0+0 out.png
Other examples can be found on Montage Usage page
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Rails detect if request was AJAX
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Warning: this does not work on standard remote: true calls in newer Rails versions, as the necessary headers don't get set.
– Roland Studer
May 27 at 18:04
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Showing Difference between two datetime values in hours
...ble<System.TimeSpan>' does not contain a definition for 'TotalHours' and no extension method 'TotalHours' accepting a first argument of type 'System.Nullable<System.TimeSpan>' could be found ". Can you please tell me the reason for it?
– Neha
May 6 ...
How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...x:20 if strcmp(y, "hello") == 0
20 is line number, x can be any filename and y can be any variable.
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How to increase font size in a plot in R?
.... What is the right way to increase font size of text in the title, labels and other places of a plot?
7 Answers
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Jquery If radio button is checked
...e 'name' attribute of 'postage'
// 2. assigns the onChange/onchange event handler
$('input:radio[name="postage"]').change(
function(){
// checks that the clicked radio button is the one of value 'Yes'
// the value of the element is the one that's checked (as noted by @shef in co...
Using .sort with PyMongo
With PyMongo, when I try to retrieve objects sorted by their 'number' and 'date' fields like this:
1 Answer
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How to change the decimal separator of DecimalFormat from comma to dot/point?
I have this little crazy method that converts BigDecimal values into nice and readable Strings.
6 Answers
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How to create a protocol with methods that are optional?
...ly denote the semantics of
the default behavior. You can use
@optional and @required to partition
your protocol into sections as you see
fit. If you do not specify any
keyword, the default is @required.
@protocol MyProtocol
- (void)requiredMethod;
@optional
- (void)anOptionalMethod;
- ...
Python Requests library redirect new url
...ight be useful for someone else.
If you want to use allow_redirects=False and get directly to the first redirect object, rather than following a chain of them, and you just want to get the redirect location directly out of the 302 response object, then r.url won't work. Instead, it's the "Location...