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What is the difference between user and kernel modes in operating systems?
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How the switch occurs.
The switch from user mode to kernel mode is not done automatically by CPU. CPU is interrupted by interrupts (timers, keyboard, I/O). When interrupt occurs, CPU stops executing the current running program, switch to kernel mode, executes interrupt handler. This handler saves...
What is the proper way to test if a parameter is empty in a batch file?
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And using "%~1" is really a better approach, as I mentioned in my answer.
– jamesdlin
May 31 '15 at 21:08
8
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What is NoSQL, how does it work, and what benefits does it provide? [closed]
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What exactly is it?
On one hand, a specific system, but it has also become a generic word for a variety of new data storage backends that do not follow the relational DB model.
How does it work?
Each of the systems labelled with the generic name w...
Why should I avoid using Properties in C#?
...ot to use them. He gave some reason, but I don't really understand. Can anyone explain to me why I should or should not use properties?
In C# 3.0, with automatic properties, does this change?
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How to overload std::swap()
...re swapping, so that it can be found via argument-dependent lookup (ADL). One particularly easy thing to do is:
class X
{
// ...
friend void swap(X& a, X& b)
{
using std::swap; // bring in swap for built-in types
swap(a.base1, b.base1);
swap(a.base2, b....
How to encode the filename parameter of Content-Disposition header in HTTP?
...mple where it fails?
@Dave Van den Eynde: Combining the two file names on one line as according to RFC6266 works except for Android and IE7+8 and I have updated the code to reflect this. Thank you for the suggestion.
@Thilo: No idea about GoodReader or any other non-browser. You might have some lu...
How to enable NSZombie in Xcode?
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In Xcode, in the Help menu at the top (last one on the right) search for "Edit Scheme" it will point you in the right direction every time in any version.
– unom
Mar 3 '14 at 21:16
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Custom thread pool in Java 8 parallel stream
... as a task in a fork-join pool, it stays there and does not use the common one.
final int parallelism = 4;
ForkJoinPool forkJoinPool = null;
try {
forkJoinPool = new ForkJoinPool(parallelism);
final List<Integer> primes = forkJoinPool.submit(() ->
// Parallel task here, f...
How to get share counts using graph API
...?source=6&url=%%URL%%
Edit:
Removed the Twitter endpoint, since that one has been deprecated.
Edit:
Facebook REST API is deprecated
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Using union and order by clause in mysql
...ndividual SELECT statements and place the ORDER BY or LIMIT after the last one") . Compare your code with i.stack.imgur.com/LpTMU.png
– Pacerier
May 5 '15 at 7:27
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