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Objective-C and Swift URL encoding
I have a NSString like this:
12 Answers
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Regular Expression to get a string between parentheses in Javascript
I am trying to write a regular expression which returns a string which is between parentheses. For example: I want to get the string which resides between the strings "(" and ")"
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How can you strip non-ASCII characters from a string? (in C#)
How can you strip non-ASCII characters from a string? (in C#)
11 Answers
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json_encode is returning NULL?
...e at least PHP 5.5, you can use json_last_error_msg(), which will return a string describing the problem.
If you don't have 5.5, but are on/above 5.3, you can use json_last_error() to see what the problem is.
It will return an integer, that you can use to identify the problem in the function's doc...
What are Aggregates and PODs and how/why are they special?
...er-defined constructor is present, it means that the user needs to do some extra work to initialize the members therefore brace initialization would be incorrect. If virtual functions are present, it means that the objects of this class have (on most implementations) a pointer to the so-called vtabl...
How do I create a unique ID in Java? [duplicate]
I'm looking for the best way to create a unique ID as a String in Java.
11 Answers
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Best implementation for hashCode method for a collection
...has only one multiplier, while non-prime has at least two. That creates an extra combination for multiplication operator to result the same hash, i.e. cause collision.
– dma_k
Feb 15 '13 at 14:08
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...l combine it with IOStreams to get type-safe behavior:
size_t foo = bar;
ostringstream os;
os << foo;
printf("%s", os.str().c_str());
It's not super-efficient, but your case above deals with file I/O, so that's your bottleneck, not this string formatting code.
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What's the best way to build a string of delimited items in Java?
... it provides a join method very similar to the one you refer to in Ruby:
StringUtils.join(java.lang.Iterable,char)
Java 8:
Java 8 provides joining out of the box via StringJoiner and String.join(). The snippets below show how you can use them:
StringJoiner
StringJoiner joiner = new StringJoi...
How to use putExtra() and getExtra() for string data
...xactly to use getExtra() and putExtra() for intents? Actually I have a string variable, say str, which stores some string data. Now, I want to send this data from one activity to another activity.
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