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class
... = 'foo' # new object, new singleton class
a.inspect # => "foo"
Now, to answer the question: class << self opens up self's singleton class, so that methods can be redefined for the current self object (which inside a class or module body is the class or module itself). Usually, this...
Getting a random value from a JavaScript array
...ple = function(){
return this[Math.floor(Math.random()*this.length)];
}
Now:
[1,2,3,4].sample() //=> a random element
Code released into the public domain under the terms of the CC0 1.0 license.
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...ect to it, but it couldn't connect you to the database because it doesn't know that that database is up. There are two reasons for this:
the database has not been started up,
the database has not registered with the listener, e.g. because the database was started before the listener. (When the d...
Check whether a variable is a string in Ruby
...
Without knowing the question's intent, I'd say for most real-world programming situations, is_a? is actually the more appropriate idiom to use (and often a duck-typing check like Andrew Grimm mentions is even better). A strict class c...
Get Visual Studio to run a T4 Template on every build
...ow do I get a T4 template to generate its output on every build? As it is now, it only regenerates it when I make a change to the template.
...
Which version of the git file will be finally used: LOCAL, BASE or REMOTE?
...g to merge, and the 3rd tab, open by default, shows the 3-way merge view.
Now, the reason the feature is hidden is that it's not polished enough yet. It's very useful as it is now, but Kai Willadsen, the meld author, pointed to few wrinkles that need ironing out. For example there's no GUI to start...
Understanding how recursive functions work
...hose individually and when you are done you add the totals together.. Well now if each of you find some friend and split the buckets further, then you just need to wait for these other friends to figure out their totals, bring it back to each of you, you add it up. And so on. The special case is whe...
Is there an online name demangler for C++? [closed]
... box, and it will return the output with the names demangled.
@Update: It now demangles MSVC and Java symbols also.
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How to fix committing to the wrong Git branch?
...ure
git stash pop # skip if all changes were committed
Now you have your master branch equals to origin/master and all new commits are on my_feature. Note that my_feature is a local branch, not a remote one.
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Catching “Maximum request length exceeded”
... even two years ago, but I still want to ask whether this worked fine till now? does the string comparison of 'GetEntireRawContent' work fine? I don't think this is a timeout issue. is there anyone standing out for pointing me to uncloudy somewhere regarding this?
– Elaine
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