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Why cast an unused function parameter value to void?
...For example if you do have the following statement:
ud;
This warning is now suppressed. However now GCC will produce another warning:
unused.c:5:5: warning: statement with no effect [-Wunused-value]
ud;
^~
This warning tells that the statement ud;, while being syntactically valid C, ...
SQL UPDATE all values in a field with appended string CONCAT not working
...he column had a limited set of characters it would accept, changed it, and now the query works fine.
– Fresheyeball
Nov 9 '10 at 3:19
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Providing a default value for an Optional in Swift?
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Update
Apple has now added a coalescing operator:
var unwrappedValue = optionalValue ?? defaultValue
The ternary operator is your friend in this case
var unwrappedValue = optionalValue ? optionalValue! : defaultValue
You could also pr...
Studies on optimal code width?
...nswer the OP's question, one "study" has been going on for about 600 years now - the printed book. These have evolved over the centuries, with readbility foremost in mind, to the position we are at now where the average line length for text is around 60 characters. So for readability, go for narrowe...
Set Matplotlib colorbar size to match graph
...s, which produces the right height, but it introduces a different problem.
Now the width of the colorbar (as well as the space between colorbar and plot) changes with the width of the plot.
In other words, the aspect ratio of the colorbar is not fixed anymore.
To get both the right height and a giv...
Defining a function with multiple implicit arguments in Scala
...cause Scala 3 supports "Implicit Functions" (i.e. "parameter implicitness" now is part of function types). Multiple implicit parameter lists become so easy to implement that it's possible the language will support them directly, though I'm not sure.
...
Access Asset Catalog programmatically
I know it's a new feature and this may not be possible, but I would love to be able to use an Asset Catalog to organize my assets, but I access all of my images programmatically. How would I access my images, now? Do I still access them by their file names like so:
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Using Caps Lock as Esc in Mac OS X
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Edit: As described in this answer, newer versions of MacOS now have native support for rebinding Caps Lock to Escape. Thus it is no longer necessary to install third-party software to achieve this.
Here's my attempt at a comprehensive, visual walk-through answer (with links) of ho...
Best way to store date/time in mongodb
... @Thilo: MongoDB has no special 'datetime' object as far as I know. It uses the JavaScript Date type, which is stored in BSON form.
– Niels van der Rest
Sep 24 '10 at 8:04
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Why is “except: pass” a bad programming practice?
... catch any error
When using a try block, you usually do this because you know that there is a chance of an exception being thrown. As such, you also already have an approximate idea of what can break and what exception can be thrown. In such cases, you catch an exception because you can positively ...