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Calling Objective-C method from C++ member function?
...d );
int doSomethingWith( void * aParameter );
void logMyMessage( char * aCStr );
private:
void * self;
};
#endif
Notice the wrapper methods no longer require the void pointer to an instance of MyClass; it is now a private member of MyClassImpl. The init method is used to instantia...
Creating multiline strings in JavaScript
...{user.name} liked your post about strings`;
This just transpiles down to concatenation:
user.name + ' liked your post about strings'
Original ES5 answer:
Google's JavaScript style guide recommends to use string concatenation instead of escaping newlines:
Do not do this:
var myString =...
Remove all special characters from a string [duplicate]
...t titles that could contain anything and have them stripped of all special characters so they only have letters and numbers and of course I would like to replace spaces with hyphens.
...
What's the point of malloc(0)?
...que pointer that can be passed to free"), but if you're treating this as a char*, that may give you an invalid, non-terminated char. It could be dangerous to rely on this in cross-platform situations.
– Reed Copsey
Jan 7 '10 at 17:51
...
Finding the max value of an attribute in an array of objects
...nput in a array):
var maxA = a.reduce((a,b)=>a.y>b.y?a:b).y; // 30 chars time complexity: O(n)
var maxB = a.sort((a,b)=>b.y-a.y)[0].y; // 27 chars time complexity: O(nlogn)
var maxC = Math.max(...a.map(o=>o.y)); // 26 chars time complexity: >O(2n)
editable example her...
Server.UrlEncode vs. HttpUtility.UrlEncode
...ou still need to
// escape special characters yourself
But my personal favorite has got to be HttpUtility.UrlPathEncode - this thing is really incomprehensible. It encodes:
" " ==> "%20"
"100% true" ==> "100%%20true" (ok, your url is broken now)
"te...
Why doesn't Dictionary have AddRange?
...hods let you pass in IEqualityComparer when relevant: var combined = dict1.Concat(dict2).GroupBy(kvp => kvp.Key, dict1.Comparer).ToDictionary(grp => grp.Key, grp=> grp.First(), dict1.Comparer);
– Kyle McClellan
Mar 20 '18 at 19:32
...
Java executors: how to be notified, without blocking, when a task completes?
... {
sleep(7000, TimeUnit.MILLISECONDS); /* Pretend to be busy... */
char[] str = new char[5];
ThreadLocalRandom current = ThreadLocalRandom.current();
for (int idx = 0; idx < str.length; ++idx)
str[idx] = (char) ('A' + current.nextInt(26));
String msg = new String(str);
...
Which is the preferred way to concatenate a string in Python?
Since Python's string can't be changed, I was wondering how to concatenate a string more efficiently?
12 Answers
...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
...e doc, when it writes it does not check for the following:
Invalid characters in attribute and element names.
Unicode characters that do not fit the specified encoding. If the Unicode
characters do not fit the specified
encoding, the XmlTextWriter does not
escape the Unicode characte...