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Difference between staticmethod and classmethod
... class rather than from a class instance. A.foo(1) would have raised a TypeError, but A.class_foo(1) works just fine:
A.class_foo(1)
# executing class_foo(<class '__main__.A'>,1)
One use people have found for class methods is to create inheritable alternative constructors.
With staticmet...
java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has
...rs is that they think that the call of a forward(), sendRedirect(), or sendError() would magically exit and "jump" out of the method block, hereby ignoring the remnant of the code. For example:
protected void doXxx() {
if (someCondition) {
sendRedirect();
}
forward(); // This is ...
Difference between two dates in Python
...
I have this error on the console: type object 'datetime.datetime' has no attribute 'strptime'
– mauguerra
Dec 7 '11 at 18:00
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Do we still need end slashes in HTML5?
...ctually, in earlier Versions of HTML <br/> or <img ... /> were errors.
– j.j.
Jun 30 at 15:05
...
How to achieve function overloading in C?
...f you leave it off and the type doesn't match, it will cause a compilation error.)
The way this is useful for function overloading is that it can be inserted by the C preprocessor and choose a result expression based on the type of the arguments passed to the controlling macro. So (example from the...
What's the difference between SCSS and Sass?
...d this that instantly enlighten me. Good job except a few spelling/grammar errors.
– tnkh
Nov 6 '17 at 2:50
3
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Can a C++ enum class have methods?
...
And the compiler will prevent things like:
Fruit f = 1; // Compile time error.
You could easily add methods such that:
Fruit f("Apple");
and
f.ToString();
can be supported.
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improv...
Which timestamp type should I choose in a PostgreSQL database?
..._Angeles';
SET
test=> INSERT INTO my_tbl (my_timestamp) VALUES (NOW());
ERROR: new row for relation "my_tbl" violates check constraint "my_tbl_my_timestamp_check"
test=> SET timezone = 'UTC';
SET
test=> INSERT INTO my_tbl (my_timestamp) VALUES (NOW());
INSERT 0 1
It's not 100% perfect, b...
Why can't I access DateTime->date in PHP's DateTime class?
...erstand this behaviour. Just comment out the var_Dump and you will get the error again.
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How to export JavaScript array info to csv (on client side)?
... This works fine for like ~7000 rows. But starts giving this error : NETWORK_INVALID_REQUEST. Is any body else facing this issue too? Is there any upper limit of data on encodeURIComponent() function or something? I am using Chrome as the browser.
– Abhidemon
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