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JavaScript: What are .extend and .prototype used for?
...ate ).lol() // alert message
In the snippet above, I define a method for all Date objects ( already existing ones and all new ones ).
extend is usually a high level function that copies the prototype of a new subclass that you want to extend from the base class.
So you can do something like:
e...
Are types like uint32, int32, uint64, int64 defined in any stdlib header?
...
This answer is wrong. All of the above are only available if an exact width type of that size (no padding) exists in the implementation. Even if not, however, the types int_leastNN_t and uint_leastNN_t for NN 8, 16, 32, and 64 must always exist. C...
Programmatically Request Access to Contacts
...ss to the address book must be granted before it can be access programmatically. Here is what I ended up doing.
#import <AddressBookUI/AddressBookUI.h>
// Request authorization to Address Book
ABAddressBookRef addressBookRef = ABAddressBookCreateWithOptions(NULL, NULL);
if (ABAddress...
How to filter Pandas dataframe using 'in' and 'not in' like in SQL
...r overhead. Since this is an elementwise operation that does not depend on index alignment, there are very few situations where this method is not an appropriate replacement for pandas' isin.
Pandas routines are usually iterative when working with strings, because string operations are hard to vect...
How do you clear Apache Maven's cache?
... by hand (as stated by palacsint above) in the /username/.m2 directory, re-index the files by doing the following:
Go to:
Windows->Preferences->Maven->User Settings menu.
Click the Reindex button next to the Local Repository text box. Click "Apply" then "OK" and you're done.
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Timeout on a function call
I'm calling a function in Python which I know may stall and force me to restart the script.
18 Answers
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.bashrc/.profile is not loaded on new tmux session (or window) — why?
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From this thread:
https://bbs.archlinux.org/viewtopic.php?id=124274
seems using .bash_profile would work.
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Create a “with” block on several context managers? [duplicate]
...rite:
with A() as X, B() as Y, C() as Z:
do_something()
This is normally the best method to use, but if you have an unknown-length list of context managers you'll need one of the below methods.
In Python 3.3, you can enter an unknown-length list of context managers by using contextlib.Exit...
Find the most frequent number in a numpy vector
...c, short and allows pulling elements from values or counts by some derived index.
– ryanjdillon
Sep 22 '15 at 13:16
2
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What is the meaning of “__attribute__((packed, aligned(4))) ”
...gned(1))) sSampleStruct;
so the above specified gcc attribute does not allow the structure padding. so the size will be 8 bytes.
If you wish to do the same for all the structures, simply we can push the alignment value to stack using #pragma
#pragma pack(push, 1)
//Structure 1
......
//Stru...