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What do parentheses surrounding an object/function/class declaration mean? [duplicate]
...those expressions.
It is a useful construct when trying to hide variables from the parent namespace. All the code within the function is contained in the private scope of the function, meaning it can't be accessed at all from outside the function, making it truly private.
See:
http://en.wikipedia...
Given an array of numbers, return array of products of all other numbers (no division)
...ect that adding a pass to detect and count the zero elements would detract from the clarity of the solution, and probably not make any real performance gain in the majority of cases..
– Michael Anderson
Jan 16 '14 at 0:34
...
Preferred Java way to ping an HTTP URL for availability
...hen use getResponseCode() will give you the HTTP response once you've read from the connection.
here is code:
HttpURLConnection connection = null;
try {
URL u = new URL("http://www.google.com/");
connection = (HttpURLConnection) u.openConnection();
connection.setReq...
How to export plots from matplotlib with transparent background?
...tps%3a%2f%2fstackoverflow.com%2fquestions%2f15857647%2fhow-to-export-plots-from-matplotlib-with-transparent-background%23new-answer', 'question_page');
}
);
Post as a guest
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Feedback on using Google App Engine? [closed]
...e process of updating two different groups a nightmare e.g. transfer money from user1 to user2 in transaction is impossible unless they are in same entity group, but making them same entity group may not be best for frequent update purposes....
read this http://blog.notdot.net/2009/9/Distributed-Tra...
decimal vs double! - Which one should I use and when? [duplicate]
...curacy after cents digit, but really you should reserve 4 or 5 to insulate from cumulative arithmetic errors, which you CANNOT allow to corrupt the hundredths column you use to round the cents. That leaves you with 16 (total) - 2 (cents) - (4 or 5 error padding) = oh $hit only 7 (or less) reliable i...
Auto-center map with multiple markers in Google Maps API v3
...ay, by extending an empty LatLngBounds rather than creating one explicitly from two points. (See this question for more details)
Should look something like this, added to your code:
//create empty LatLngBounds object
var bounds = new google.maps.LatLngBounds();
var infowindow = new google.maps.Inf...
服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...boulder.ibm.com/infocenter/wasinfo/v6r0/index.jsp?topic=/com.ibm.websphere.express.doc/info/exp/ae/tprf_tunelinux.html
3.各种内核参数的含义：http://haka.sharera.com/blog/BlogTopic/32309.htm
4.linux服务器历险之sysctl优化linux网络：http://blog.csdn.net/chinalinuxzend/article/det...
Regex to replace everything except numbers and a decimal point
...
This expression looks complicated, could you explain how it works or what exactly it would remove?
– Minderov
Jul 3 '16 at 20:27
...
Are GUID collisions possible?
...nt one was inserted 3 weeks ago. Not believing this, I restored a database from 2 weeks backup, and the guid was there. Checked the code, the new guid was freshly generated no doubt about it. Pow guid collision, happened only once, but I really wish I would have won at lotto instead,the chance is gr...