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If i synchronized two methods on the same class, can they run simultaneously?
...reads are shut out of all synchronized instance methods on that object.
In order for the two methods to run concurrently they would have to use different locks, like this:
class A {
private final Object lockA = new Object();
private final Object lockB = new Object();
public void methodA...
How to iterate object in JavaScript? [duplicate]
...w through, and you may not necessarily get array elements in their correct order, or even in any consistent order.
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Detecting 'stealth' web-crawlers
...s, you can put a div under another, with CSS (placing it first in the draw order) and possibly setting the z-order. A bot could not ignore that, without parsing all your javascript to see if it is a menu. To some extent, links inside invisible DIV elements also can't be ignored without the bot par...
Return from lambda forEach() in java
...element from it, rather it filters only as many elements as it needs to in order to find the first matching one. You could also use findAny() instead of findFirst() if you don't necessarily care about getting the first matching player from the (ordered) stream but simply any matching item. This al...
Difference between numpy.array shape (R, 1) and (R,)
... slowly. If you prefer this to be the other way round, you can specify the order parameter:
>>> c = a.reshape((3, 4), order='F')
which results in an array indexed like this:
i= 0 1 2 0 1 2 0 1 2 0 1 2
j= 0 0 0 1 1 1 2 2 2 3 ...
How to override the copy/deepcopy operations for a Python object?
...The copy module does
not use the copy_reg registration
module.
In order for a class to define its own
copy implementation, it can define
special methods __copy__() and
__deepcopy__(). The former is called to implement the shallow copy
operation; no additional arguments are
passed....
Static linking vs dynamic linking
... Don't get it. Could you give me more source (or elaborate more) in order to appreciate what you wrote?
– Baskaya
Oct 23 '15 at 21:27
4
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Deleting an element from an array in PHP
...rray ( [0] => Array ( [menu_code] => 2 [menu_name] => Plant [menu_order_no] => 1 ) [1] => Array ( [menu_code] => 3 [menu_name] => Line [menu_order_no] => 2 ) ) But i need to get the values of menu_code and menu_name using $get_merged_values['menu_code'] and $get_merg...
what happens when you type in a URL in browser [closed]
...these are far more complex in actual use, and the tech stack has become an order of magnitude more complicated since this was written. With this in mind, the following timeline is still somewhat valid:
browser checks cache; if requested object is in cache and is fresh, skip to #9
browser asks OS f...
How to send emails from my Android application?
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I was using something along the lines of the currently accepted answer in order to send emails with an attached binary error log file. GMail and K-9 send it just fine and it also arrives fine on my mail server. The only problem was my mail client of choice Thunderbird which had troubles with openin...