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What's the best way to check if a String represents an integer in Java?
... runTests() {
String big_int = "1234567890";
String non_int = "1234XY7890";
long startTime = System.currentTimeMillis();
for(int i = 0; i < 100000; i++)
IsInt_ByException(big_int);
long endTime = System.currentTimeMillis();
System.out.print("ByException - inte...
Get class that defined method
...rogramming. Seldomly, causing disasters. In general, the thinking pattern "XY.Z% it won't ever happen" is extremely lousy thinking tool when doing coding. Don't use it. Write 100% correct code.
– ulidtko
May 7 at 11:01
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How to convert URL parameters to a JavaScript object?
...replace(/=/g,'":"') + '"}')
Example
Parse abc=foo&def=%5Basf%5D&xyz=5 in five steps:
decodeURI: abc=foo&def=[asf]&xyz=5
Escape quotes: same, as there are no quotes
Replace &: abc=foo","def=[asf]","xyz=5
Replace =: abc":"foo","def":"[asf]","xyz":"5
Suround with curlies and q...
Time complexity of Euclid's Algorithm
...he recurrence relation:
We may say then that Euclidean GCD can make log(xy) operation at most.
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How can I increment a char?
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+1 for trying to answer the question behind the question (XY problem, and so on). If I could, I'd give you more.
– Devin Jeanpierre
Jan 28 '10 at 18:59
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Where are an UIWebView's cookies stored?
... answered Sep 19 '18 at 7:41
xy zxy z
1122 bronze badges
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Accessing dict_keys element by index in Python3
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In many cases, this may be an XY Problem. Why are you indexing your dictionary keys by position? Do you really need to? Until recently, dictionaries were not even ordered in Python, so accessing the first element was arbitrary.
I just translated some ...
Increasing the maximum number of TCP/IP connections in Linux
...lways talking about IP+port. You can have "unlimited" sockets open to port XY from many different IPs. Limit of 470 applies to concurrent opened sockets to the same IP only. Another IP can have its own 470 connections to the same ports.
– Marki555
Jan 22 '14 at...
Circle-Rectangle collision detection (intersection)
...ct is rect.x & rect.y are the center of the rect. In my world a rect's xy is top/left of rect, and 0,0 is top/left of the screen, so I used: circleDistance_x = abs(circle.x - (rect.x-rect.w/2)); circleDistance_y = abs(circle.y - (rect.y-rect.h/2));
– erco
M...
Is the creation of Java class files deterministic?
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@mstrap: so it is an XY Problem after all. Well, you can look into differential updates of jars (so even one-byte-differences would not cause the whole jar to be redownloaded) and you should provide explicit version numbers to your releases anywa...