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How to check if a value exists in an array in Ruby
... as pointed out by @campaterson. So within Rails, or if you require 'active_support', you can write:
'Unicorn'.in?(['Cat', 'Dog', 'Bird']) # => false
OTOH, there is no in operator or #in? method in Ruby itself, even though it has been proposed before, in particular by Yusuke Endoh a top notch ...
delete map[key] in go?
...sions = map[string] chan int{};
sessions["moo"] = make (chan int);
_, ok := sessions["moo"];
if ok {
delete(sessions, "moo");
}
}
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Git: can I suppress listing of 'modified content'/dirty submodule entries in status, diff, etc?
...answered Aug 4 '11 at 2:19
kjell_kjell_
22133 silver badges77 bronze badges
...
Dialog to pick image from gallery or from camera
...ake picture from camera:
Intent takePicture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(takePicture, 0);//zero can be replaced with any action code (called requestCode)
To pick photo from gallery:
Intent pickPhoto = new Intent(Intent.ACTION_PICK,
android.prov...
Apache: “AuthType not set!” 500 Error
...rsion 2.4.x of Apache.
Have you sure that you load this 2 modules ?
- mod_authn_core
- mod_authz_core
LoadModule authn_core_module modules/mod_authn_core.so
LoadModule authz_core_module modules/mod_authz_core.so
PS : My recommendation for authorization and rights is (by default) :
LoadModule ...
Should I write script in the body or the head of the html? [duplicate]
...//encosia.com/2010/08/18/dont-let-jquerys-document-ready-slow-you-down/?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+Encosia+%28Encosia%29
the other answers on this question present valid information as well.
use www.google.com and www.bing.com to search for related informatio...
Regarding 'main(int argc, char *argv[])' [duplicate]
...hat it matters much anymore but just a fun fact that I happen to remember ^_^
– Frank
Feb 24 '18 at 9:31
@JesseChishol...
Process escape sequences in a string in Python
...ode the string.
>>> myString = "spam\\neggs"
>>> decoded_string = bytes(myString, "utf-8").decode("unicode_escape") # python3
>>> decoded_string = myString.decode('string_escape') # python2
>>> print(decoded_string)
spam
eggs
Don't use the AST or eval. Using t...
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
...\W might be a bit broad. I'd replace it with a character set like this: [-+_!@#$%^&*.,?] (feel free to add more of course!)
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What are carriage return, linefeed, and form feed?
...nal author : 阮一峰 Source : http://www.ruanyifeng.com/blog/2006/04/post_213.html]
Before computer came out, there was a type of teleprinter called Teletype Model 33. It can print 10 characters each second. But there is one problem with this, after finishing printing each line, it will take 0.2 ...