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Clone() vs Copy constructor- which is recommended in java [duplicate]
...neable and override the clone() method making in public.
There are a few alternatives, which are preferable (since the clone() method has lots of design issues, as stated in other answers), and the copy-constructor would require manual work:
BeanUtils.cloneBean(original) creates a shallow clone, ...
Change case of a file on Windows?
... any way you like before and than execute these commands:
git rm --cached <file name or directory>
git add <file name or directory>
If you want to affect also the sub-directories, you have to use the -r flag:
git rm -r --cached <directory>
git add <directory>
...
From ND to 1D arrays
... iterator, use np.ndarray.flat:
In [20]: d = a.flat
In [21]: d
Out[21]: <numpy.flatiter object at 0x8ec2068>
In [22]: list(d)
Out[22]: [1, 2, 3, 4, 5, 6]
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Round to 5 (or other number) in Python
Is there a built-in function that can round like the following?
16 Answers
16
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How and when to use ‘async’ and ‘await’
...el details that are going on:
public async Task MyMethodAsync()
{
Task<int> longRunningTask = LongRunningOperationAsync();
// independent work which doesn't need the result of LongRunningOperationAsync can be done here
//and now we call await on the task
int result = await lo...
Optimizing away a “while(1);” in C++0x
... rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
As N1509 correctly points out, the current draft essentially gives
undefined behavior to infinite loops i...
Disable spell-checking on HTML textfields
...puts on the iPhone), use this to handle all desktop and mobile browsers.
<tag autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
Original answer: Javascript cannot override user settings, so unless you use another mechanism other than textfields, this is not (or ...
Under what circumstances are linked lists useful?
...if @Neil hadn't mentioned FORTRAN. ;-)
For example, ConcurrentDictionary<TKey, TValue> in .NET 4.0 RC use linked lists to chain items that hash to the same bucket.
The underlying data structure for ConcurrentStack<T> is also a linked list.
ConcurrentStack<T> is one of the data ...
How to debug Lock wait timeout exceeded on MySQL?
...SACTIONS
------------
Trx id counter 0 620783814
Purge done for trx's n:o < 0 620783800 undo n:o < 0 0
History list length 35
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 0 0, not started, process no 29956, OS thread id 1192212800
MySQL thread id 5341758, query id 189708501 127.0.0.1 ...
How does this program work?
...gument type conversion to stop after the last declared parameter. The default argument promotions are performed on trailing arguments.
and from 6.5.2.2/6,
If the expression that denotes the called function has a type that does not include a prototype, the integer promotions are performed on ea...