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C++ wait for user input [duplicate]
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for linux, use pause() from unistd.h. pause command exist only on microsoft platform and few pdp or dos related ones. Some distros have it as alias declared
– Swift - Friday Pie
Feb 2 '17 at 14:31
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Bootstrapping still requires outside support
...ile itself.
There is a really good writeup about bootstrapping a compiler from the lowest possible level (which on a modern machine is basically a hex editor), titled Bootstrapping a simple compiler from nothing. It can be found at https://web.archive.org/web/20061108010907/http://www.rano.org/bco...
How to compare two floating point numbers in Bash?
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i like this answer, people tend to shy away from awk esp beginners, they seem to think it is harder than it actually is, i think people get intimidated by the curly braces and the seemingly language mixed syntax (at a glance). And since awk is pretty much guaranteed to...
Is there a 'foreach' function in Python 3?
...unction(element)
As a side note the for element in iterable syntax comes from the ABC programming language, one of Python's influences.
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Showing Difference between two datetime values in hours
I am retrieving two date time values from the database. Once the value is retrieved, I need the difference between the two values.
For that, I create a timespan variable to store the difference of the 2 date values.
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Difference between toFixed() and toPrecision()?
...er until I saw kzh's, uh, "enthusiastic" comment. Here are additional refs from Mozilla Doc Center for toFixed() and for toPrecision(). Fortunately for all of us, MDC and w3schools agree with each other in this case.
For completeness, I should mention that toFixed() is equivalent to toFixed(0) and...
Flatten an Array of Arrays in Swift
...ttening a 2D array to 1D). compactMap is explicitly for removing nil items from a sequence, as a variant of flatMap once did.
– Jim Dovey
Aug 8 '19 at 22:29
1
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How to use ssh agent forwarding with “vagrant ssh”?
...n suggested didn't help... What worked for me was adding keys to keychain from my host OS and disabling config.ssh.private_key_path assignment.
– alexserver
Oct 27 '15 at 5:06
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Programmatically obtain the Android API level of a device?
..." + Build.VERSION.SDK_INT);
and can get the Android version code history from OS.
for (Field field : Build.VERSION_CODES.class.getDeclaredFields()) {
field.setAccessible(true);
Log.d(TAG, field.get(this) + " -> " + field.getName());
}
This is output.
RELEASE : 5.1.1
SDK : 22
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Checking for empty queryset in Django
...is if orgs.first(). (Even this is debatable: is it substantially different from doing the orgs[0] suggested about 5 years ago too?) You ought to develop that part of the answer: when would one want to do this instead of the other solutions proposed earlier?
– Louis
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