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Why are exclamation marks used in Ruby methods?
...g called foo
foo.downcase! # modifies foo itself
puts foo # prints modified foo
This will output:
a string
In the standard libraries, there are a lot of places you'll see pairs of similarly named methods, one with the ! and one without. The ones without are called "safe methods", ...
How to update two tables in one statement in SQL Server 2005?
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do we need to maintain primary key and foreign key relation between them
– srinivas gowda
Jan 27 '17 at 4:43
2
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Get protocol, domain, and port from URL
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Or just turn it into a one-liner: window.location.href.split('/').slice(0, 3).join('/')
– Ryan McGeary
May 16 '17 at 19:35
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How to best display in Terminal a MySQL SELECT returning too many fields?
...esults will be listed in the vertical mode, so each column value will be printed on a separate line. The output will be narrower but obviously much longer.
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Custom fonts in iOS 7
...les.
You need to edit .plist file. Add "Fonts provided by application" key into your plist and in Item 0 copy the exact filename of the font you copied to your Supporting files WITH extension. For example: "JosefinSansStd-Light_0.otf"
Make sure that the font you imported to your app is being packed ...
What is the difference between String.Empty and “” (empty string)?
....NET, what is the difference between String.Empty and "" , and are they interchangable, or is there some underlying reference or Localization issues around equality that String.Empty will ensure are not a problem?
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How do I escape characters in c# comments?
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Interestingly, only < needs to get escaped with &lt;, > can stay as it is: List&lt;string> myStringList = new List&lt;string>();. At least this works in intellisense. Strangely enough, CDATA does not ...
How do you clone an Array of Objects in Javascript?
...nd if you've got a circle, it'll keep going infinitely until the browser faints.
If the data structure cannot be represented as a directed acyclic graph, then I'm not sure you're going to be able to find an all-purpose method for deep cloning. Cyclic graphs provide many tricky corner cases, and si...
What is a “translation unit” in C++
...eprocessing
statements.
A single translation unit can be
compiled into an object file, library,
or executable program.
The notion of a translation unit is
most often mentioned in the contexts
of the One Definition Rule, and
templates.
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Removing item from vector, while in C++11 range 'for' loop?
...or (MyVector::iterator b = v.begin(), e = v.end(); b != e;)
you will run into UB since your e is invalidated after the first erase call.
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