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Will the Garbage Collector call IDisposable.Dispose for me?
...ve to Generation 2." This is VERY fundamental information! It saved lot of time debugging of a system, where there were lot of short lived Gen2 objects "prepared" for finalization, but never finalized caused OutOfMemoryException because of heavy heap usage. Removing the (even empty) finalizer and mo...
Difference between matches() and find() in Java Regex
... emphasis on "the next". That means, the result of calling find() multiple times might not be the same. In addition, by using find() you can call start() to return the position the substring was matched.
final Matcher subMatcher = Pattern.compile("\\d+").matcher("skrf35kesruytfkwu4ty7sdfs");
Syste...
Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
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4 Answers
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Which Architecture patterns are used on Android? [closed]
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thanks for taking the time, I get it now :)
– manmal
Nov 6 '11 at 13:12
11
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MongoDB - Update objects in a document's array (nested updating)
..._item_three," you can use the $inc operator on multiple fields at the same time. Something like:
db.bar.update( {"items.item_name" : {$ne : "my_item_three" }} ,
{$inc : {total : 1 , "items.$.price" : 1}} ,
false ,
true);
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How to use QueryPerformanceCounter?
...ded that I needed to change from using milliseconds to microseconds for my Timer class, and after some research I've decided that QueryPerformanceCounter is probably my safest bet. (The warning on Boost::Posix that it may not works on Win32 API put me off a bit). However, I'm not really sure how t...
When to use valueChangeListener or f:ajax listener?
...ueChange" render="tests" execute="@this" listener="#{testController.processTimeTable}" />
– Paullo
Jul 7 '15 at 20:58
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Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...0058 - Cannot send after socket shutdown
Socket error 10060 - Connection timed out
Socket error 10061 - Connection refused
Socket error 10064 - Host is down
Socket error 10065 - No route to host
Socket error 10067 - Too many processes
Socket error 10091 - Network subsystem is unavailable...
Floating elements within a div, floats outside of div. Why?
Say you have a div , give it a definite width and put elements in it, in my case an img and another div .
10 Answers...
What are Transient and Volatile Modifiers?
Can someone explain what the transient and volatile modifiers mean in Java?
4 Answers
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