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URLWithString: returns nil
...
Use This Function if you deal with file saved on file manager.
NSURL *_url = [NSURL fileURLWithPath:path];
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How to capitalize the first letter in a String in Ruby
...рия.
If you're using Rails there's an easy workaround:
"мария".mb_chars.capitalize.to_s # requires ActiveSupport::Multibyte
Otherwise, you'll have to install the unicode gem and use it like this:
require 'unicode'
Unicode::capitalize("мария") #=> Мария
Ruby 1.8:
Be sure...
Node.js vs .Net performance
...running on one core to an IIS and tomcat process using multiple cores. In order to properly compare, you need to run node clustered. See nodejs.org/api/cluster.html for a simple to use cluster solution. However, I can tell you from experience, the difference between node and async c# is 10-15% ei...
windowSoftInputMode=“adjustResize” not working with translucent action/navbar
...t explains in good detail how this works:
https://www.youtube.com/watch?v=_mGDMVRO3iE
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Having Django serve downloadable files
...e actual file serving is handled by Apache/Lighttpd. Once you've set up mod_xsendfile, integrating with your view takes a few lines of code:
from django.utils.encoding import smart_str
response = HttpResponse(mimetype='application/force-download') # mimetype is replaced by content_type for django ...
Format a Go string without printing?
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"Roles": []string{"dbteam", "uiteam", "tester"},
}
s ,_:= String(tmpl).Format(data)
fmt.Println(s)
}
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How is Node.js inherently faster when it still relies on Threads internally?
...ld be only what's needed" I get the impression these should be of the same order. Closures are not cheap, the runtime will have to keep the whole call tree of the single-threaded application in memory ("emulating stacks" so to say) and will be able to clean up when a leaf of tree gets released as th...
What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...s value, otherwise continue
Throw a TypeError
Note: For date values, the order is to invoke toString before valueOf.
If any operand value is a string, then do a string concatenation
Otherwise, convert both operands to their numeric value and then add these values
Knowing the various coercion v...
How to use UTF-8 in resource properties with ResourceBundle
...XXX format. The below example converts a UTF-8 encoded properties file text_utf8.properties to a valid ISO-8859-1 encoded properties file text.properties.
native2ascii -encoding UTF-8 text_utf8.properties text.properties
When using a sane IDE such as Eclipse, this is already automatically done whe...
How are virtual functions and vtable implemented?
...bl contents are simply an array of member pointers there (generally in the order they were declared, with the base class's first). There are of course other possible layouts, but that's what I've generally observed.
class A {
public:
virtual int f1() = 0;
};
class B : public A {
public:
vir...