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Timer & TimerTask versus Thread + sleep in Java

...void run() { NewUploadServer.getInstance().checkAndUploadFiles(); } }, 0, 60 * 1000); share | improve this answer | follow | ...
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What does the plus sign do in '+new Date'

... edited Aug 17 '15 at 12:20 dovid 5,70733 gold badges2828 silver badges6161 bronze badges answered Oct 2...
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How to add a custom button state

... details: First, create file "res/values/attrs.xml": <?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="food"> <attr name="state_fried" format="boolean" /> <attr name="state_baked" format="boolean" /> </declare-style...
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Oracle PL/SQL - How to create a simple array variable?

...for a fixed-size array: declare type array_t is varray(3) of varchar2(10); array array_t := array_t('Matt', 'Joanne', 'Robert'); begin for i in 1..array.count loop dbms_output.put_line(array(i)); end loop; end; Or TABLE for an unbounded array: ... type array_t is table of v...
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Difference between repository and service?

... | edited Sep 17 '09 at 17:22 answered Sep 17 '09 at 17:13 ...
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Why do you have to call .items() when iterating over a dictionary in Python?

...-- which is a check I believe I may have performed, or wanted to perform, 100 times more rarely than what if k in C actually means, checking the presence of the key only and completely ignoring the value. On the other hand, wanting to loop just on keys is quite common, e.g.: for k in thedict: ...
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How to get the parents of a merge commit in git?

...es of its parents: $ git log -1 395f65d commit 395f65d438b13fb1fded88a330dc06c3b0951046 Merge: 9901923 d28790d ... git outputs parents according to their number: the first (leftmost) hash is for the first parent, and so on. If all you want is just the hashes, the two equivalent choices are: ...
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java.net.UnknownHostException: Invalid hostname for server: local

... local computer. Try with the hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6). From the javadocs: Thrown to indicate that the IP address of a host could not be determined. 127.0.0.1or ::1 or "localhost" should always be the loopback interface, so if that doe...
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What does “javascript:void(0)” mean?

... 1081 The void operator evaluates the given expression and then returns undefined. The voi...
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?

...| edited Oct 6 '16 at 19:40 Victor Stafusa 12.1k99 gold badges5252 silver badges6767 bronze badges answe...