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Cleaning up the iPhone simulator
...o check:
"$HOME/Library/Developer/CoreSimulator/Devices"
The GUID files and directories match up to the simulator's installed apps.
Manually delete all those files/directories to remove all applications from the simulator.
I know there is some way to add scripts to the build process in XCode.
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Convert float to double without losing precision
I have a primitive float and I need as a primitive double. Simply casting the float to double gives me weird extra precision. For example:
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How to find all occurrences of a substring?
Python has string.find() and string.rfind() to get the index of a substring in a string.
20 Answers
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How to pass command line arguments to a rake task
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Options and dependencies need to be inside arrays:
namespace :thing do
desc "it does a thing"
task :work, [:option, :foo, :bar] do |task, args|
puts "work", args
end
task :another, [:option, :foo, :bar] do |task, args|...
How to programmatically send a 404 response with Express/Node?
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Sending a status code directly is deprecated in 4.x and will probably be removed at some point. Best to stick with .status(404).send('Not found')
– Matt Fletcher
Oct 22 '14 at 8:50
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How to set default browser window size in Protractor/WebdriverJS
... Operation not supported when using remote debugging Some WebDriver
commands (e.g. resizing the browser window) require a Chrome extension
to be loaded into the browser. ChromeDriver normally loads this
"automation extension" every time it launches a new Chrome session.
However ChromeDri...
Apply formula to the entire column
... copy the formula to all cells. Make sure you CLEAR your column data first and only apply your formula to one. The above answer with "ArrayFormula" seems to be able to apply a many cells to one formula, which is not what OP wanted.
– Thanasis Kapelonis
May 3 '1...
Is it faster to count down than it is to count up?
... to count down than to count up.
For example if you need to use a FOR loop and the loop index is not used somewhere (like printing a line of N * to the screen)
I mean that code like this:
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Difference between 'struct' and 'typedef struct' in C++?
... It's a holdover from C, in which it makes a difference.
The C language standard (C89 §3.1.2.3, C99 §6.2.3, and C11 §6.2.3) mandates separate namespaces for different categories of identifiers, including tag identifiers (for struct/union/enum) and ordinary identifiers (for typedef and other iden...
Hash function that produces short hashes?
Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly.
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