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Using isKindOfClass with Swift
I'm trying to pick up a bit of Swift lang and I'm wondering how to convert the following Objective-C into Swift:
5 Answers
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Create directories using make file
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This would do it - assuming a Unix-like environment.
MKDIR_P = mkdir -p
.PHONY: directories
all: directories program
directories: ${OUT_DIR}
${OUT_DIR}:
${MKDIR_P} ${OUT_DIR}
This would have to be run in the top-level direct...
How to check if command line tools is installed
I have a macbook pro with OS X 10.8.2.
XCode is installed. I know this as it appears in the Applications directory.
There are also the xcodebuild and xcode-select files in /usr/bin
I need to know if the command line tools is installed.
Is there a command for it?
What can I do to see if XCode CLT is ...
In Java, what is the best way to determine the size of an object?
I have an application that reads a CSV file with piles of data rows. I give the user a summary of the number of rows based on types of data, but I want to make sure that I don't read in too many rows of data and cause OutOfMemoryError s. Each row translates into an object. Is there an easy way t...
ReactJS render string with non-breaking spaces
...have some props that has a string that could contain characters such as &.
It also contains spaces. I want to replace all spaces with   .
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Linking static libraries to other static libraries
...s (a_1-a_n). I'd like to package up that code in a static library and make it available to other people.
6 Answers
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Why does parseInt yield NaN with Array#map?
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From the same Mozilla page that you linked to:
callback is invoked with three arguments: the value of the element, the index of the element, and the Array object being traversed."
So if you call a function parseInt which actually expects two arguments, the second argument will be the index ...
How do I deep copy a DateTime object?
... create two separate datetimes, one which is parsed from a string and one with three years added to it. Currently I've hacked it up like this:
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How to empty/destroy a session in rails?
I can't seem to find it anywhere... How do I delete/destroy/reset/empty/clear a user's session in Rails? Not just one value but the whole thing..
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Mechanisms for tracking DB schema changes [closed]
...nd or create a solution that allows us to work efficiently across servers with different environments while continuing to use Subversion as a backend through which code and DB updates are pushed around to various servers.
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