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In Java, is there a way to write a string literal without having to escape quotes?
Say you have a String literal with a lot of quotation marks inside it. You could escape them all, but it's a pain, and difficult to read.
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Rails: How can I set default values in ActiveRecord?
... Rails 3.2+ - for earlier, use self.attributes.has_key?, and you need to a string instead of a symbol.
– Cliff Darling
Oct 22 '12 at 15:54
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...ce in some memory buffers
0xFE (unused parts of `std::string` or the user buffer
passed to `fread()`). 0xFD is used in VS 2005 (maybe
some prior versions, too), 0xFE is used in VS 2008
and later.
0xCC...
How to convert QString to std::string?
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One of the things you should remember when converting QString to std::string is the fact that QString is UTF-16 encoded while std::string... May have any encodings.
So the best would be either:
QString qs;
// Either this if you use UTF-8 anywhere
std::string utf8_text = qs.toU...
How can a string be initialized using “ ”?
If String is a class just like any other, how can it be initialized using double quotes?
10 Answers
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How to use NULL or empty string in SQL
I would like to know how to use NULL and an empty string at the same time in a WHERE clause in SQL Server. I need to find records that have either null values or an empty string. Thanks.
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How and why does 'a'['toUpperCase']() in JavaScript work?
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To break it down.
.toUpperCase() is a method of String.prototype
'a' is a primitive value, but gets converted into its Object representation
We have two possible notations to access object properties/methods, dot and bracket notation
So
'a'['toUpperCase'];
is the acce...
How do I remove an item from a stl vector with a certain value?
...which can be passed to container_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// .. put in some values ..
int int_to_remove = n;
vec.erase(std::remove(vec.begin(), vec.end(), int_to_remove), vec.end());
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sed or awk: delete n lines following a pattern
.../,$d' out.txt but it gives error saying : sed: -e expression #1, char 24: extra characters after command Thanks in advance.
– N mol
Aug 24 '13 at 2:37
8
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unsigned int vs. size_t
...ead of int / unsigned int pretty much everywhere - from parameters for C string functions to the STL. I am curious as to the reason for this and the benefits it brings.
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