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JavaScript % (modulo) gives a negative result for negative numbers
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@starwed if you didn't use this%n it would fail for x < -n - e.g. (-7 + 5) % 5 === -2 but ((-7 % 5) + 5) % 5 == 3.
– fadedbee
Feb 6 '14 at 21:58
8
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Application Crashes With “Internal Error In The .NET Runtime”
...amage is detected.
Finding the exact cause for this is going to be difficult. Review any unmanaged code your service might be using. Suspect environmental problems if there is no obvious candidate, misbehaving malware scanners are notorious. If it repeats very poorly then suspect hardware proble...
can we use xpath with BeautifulSoup?
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Nope, BeautifulSoup, by itself, does not support XPath expressions.
An alternative library, lxml, does support XPath 1.0. It has a BeautifulSoup compatible mode where it'll try and parse broken HTML the way Soup does. However, the default lxml HTML parser does just as good a job of parsing broken...
Sockets: Discover port availability using Java
...availability
*/
public static boolean available(int port) {
if (port < MIN_PORT_NUMBER || port > MAX_PORT_NUMBER) {
throw new IllegalArgumentException("Invalid start port: " + port);
}
ServerSocket ss = null;
DatagramSocket ds = null;
try {
ss = new Server...
Difference between int32, int, int32_t, int8 and int8_t
..._t -- never heard of that one before. The C standard defines _Bool as a built-in type. bool is defined only if you #include <stdbool.h> (as a macro that expands to _Bool).
– Jerry Coffin
Jan 25 '13 at 5:41
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What does “Receiver type 'CALayer' for instance message is a forward declaration” mean here?
...rtzCore.framework to your project and this line to your .m file.
#import <QuartzCore/QuartzCore.h>
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Action bar navigation modes are deprecated in Android L
...l and flexibility" is only nice if there are sensible and easy to use defaults. If something is flexible but you need 20 lines here and there to make it work, I don't consider it a win...
– TWiStErRob
Oct 21 '14 at 16:08
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How do MySQL indexes work?
...e scan).
On the other hand, an index has a list of keywords, so you'd consult the index and see that storage is mentioned on pages 113-120,231 and 354. Then you could flip to those pages directly, without searching (that's a search with an index, somewhat faster).
Of course, how useful the index wi...
Can you have a within a ?
...erefore having span inside span is valid.
There's a related question: Can <span> tags have any type of tags inside them? which makes it completely clear.
HTML5 specification (including the most current draft of HTML 5.3 dated November 16, 2017) changes terminology, but it's still perfectly va...
Force DOM redraw/refresh on Chrome/Mac
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You save me a whole week! My issue is after setting <body style="zoom:67%">, the page zoomed to my expected level, but the page is freezed and can not scroll!. Your answer solved this issue immediately
– user1143669
Jun 8 '16 at 12:2...