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How to get function parameter names/values dynamically?
...ttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/arguments:
The arguments object is not an Array. It is similar to an Array, but does not have any Array properties except length. For example, it does not have the pop method. However it can be converted t...
Do I cast the result of malloc?
...'t cast the result, since:
It is unnecessary, as void * is automatically and safely promoted to any other pointer type in this case.
It adds clutter to the code, casts are not very easy to read (especially if the pointer type is long).
It makes you repeat yourself, which is generally bad.
It can h...
How to list all tags along with the full message in git?
...n9
if specific tags are to list:
git tag -l -n9 v3.*
(e.g, above command will only display tags starting with "v3.")
-l , --list
List tags with names that match the given pattern (or all if no pattern is given).
Running "git tag" without arguments also lists all tags. T...
What does the star operator mean, in a function call?
...
s = sum(1, 2)
The double star ** does the same, only using a dictionary and thus named arguments:
values = { 'a': 1, 'b': 2 }
s = sum(**values)
You can also combine:
def sum(a, b, c, d):
return a + b + c + d
values1 = (1, 2)
values2 = { 'c': 10, 'd': 15 }
s = sum(*values1, **values2)
w...
Circular gradient in android
...ying to make a gradient that emits from the middle of the screen in white, and turns to black as it moves toward the edges of the screen.
...
How to view AndroidManifest.xml from APK file?
Is it possible to view Androidmanifest.xml file?
14 Answers
14
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Hidden Features of Xcode
...h a huge influx of newbies to Xcode, I'm sure there are lots of Xcode tips and tricks to be shared.
89 Answers
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iterating over each character of a String in ruby 1.8.6 (each_char)
I am new to ruby and currently trying to operate on each character separately from a base String in ruby. I am using ruby 1.8.6 and would like to do something like:
...
Profiling Vim startup time
...with how long Vim takes to start now, so I’d like to profile its startup and see which of the many plugins I have are responsible.
...
How to use OpenSSL to encrypt/decrypt files?
I want to crypt and decrypt one file using one password.
10 Answers
10
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