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Use 'class' or 'typename' for template parameters? [duplicate]
...is no such rule. The rule is only about expressions that have a functional cast as the first subexpression. In your example, if T::A is a type, the construct T::A *obj is actually ambiguous in the current Standard (as it turned out when I discussed it with the core group some weeks ago). However sin...
JavaScript function similar to Python range()
...like: if (stop === undefined) { 3 equals signs is compare without auto casting. compare as is also compare type. 2 equal signs is compare with auto casting to other side type.
– Shimon Doodkin
Mar 27 '18 at 12:48
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Using scanf() in C++ programs is faster than using cin?
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also use cin.tie(static_cast<ostream*>(0)); for better performance
– Mohamed El-Nakib
Feb 5 '14 at 7:58
add a comment
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Remove underline from links in TextView - Android
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Not Working for me. It gives Class Cast Exception at Line Spannable s = (Spannable)textView.getText();
– Brijesh Thakur
May 21 '13 at 11:42
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How to calculate a time difference in C++
...ow(); }
double elapsed() const {
return std::chrono::duration_cast<second_>
(clock_::now() - beg_).count(); }
private:
typedef std::chrono::high_resolution_clock clock_;
typedef std::chrono::duration<double, std::ratio<1> > second_;
std::chrono...
How do I add the contents of an iterable to a set?
... 150000))
def one_by_one(s, l):
for i in l:
s.add(i)
def cast_to_list_and_back(s, l):
s = set(list(s) + l)
def update_set(s,l):
s.update(l)
results are:
one_by_one 10.184448844986036
cast_to_list_and_back 7.969255169969983
update_set 2.212590195937082
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Notification passes old Intent Extras
i am creating a notification inside a BroadcastReceiver via this code:
6 Answers
6
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Odd behavior when Java converts int to byte?
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often in books you will find the explanation of casting from int to byte as being performed by modulus division. this is not strictly correct as shown below
what actually happens is the 24 most significant bits from the binary value of the int number are discarded leaving ...
Get OS-level system information
...get process CPU usage (without writing your own JNI code), but you need to cast the java.lang.management.OperatingSystemMXBean to a com.sun.management.OperatingSystemMXBean. This works on Windows and Linux, I haven't tested it elsewhere.
For example ... call the get getCpuUsage() method more freque...
How to change the type of a field?
...uble) to 2 (string).
So simply load the document from the DB, perform the cast (new String(x)) and then save the document again.
If you need to do this programmatically and entirely from the shell, you can use the find(...).forEach(function(x) {}) syntax.
In response to the second comment below...