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How do I best silence a warning about unused variables?
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C++17 now provides the [[maybe_unused]] attribute.
http://en.cppreference.com/w/cpp/language/attributes
Quite nice and standard.
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Cleanest way to build an SQL string in Java
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This one is outdated now, as per wikipedia.
– Zeus
Oct 5 '15 at 17:07
1
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Is it a bad practice to catch Throwable?
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How do you know what was allocated and what wasn't prior to the OOME? All bets are off once you get that, even inside a J2EE container like Tomcat or JBoss.
– bmauter
May 31 '13 at 2:05
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Difference between break and continue statement
...red May 21 '12 at 23:12
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Why does “return list.sort()” return None, not the list?
...ch of these calls acts on the same
object, and so even if you don't know the class and its methods very
well, you can understand that the second and third call are applied to
x (and that all calls are made for their side-effects), and not to
something else.
I'd like to r...
How to perform Unwind segue programmatically?
... the previous view controller, i.e. the one that presented the one you are now exiting. The question came up because new in Xcode 4.5 is an ability to "unwind" from one view controller somewhere in the presentation order to a much earlier view controller. See WWDC 2012 session 407 for details.
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Dealing with “java.lang.OutOfMemoryError: PermGen space” error
...classical example is Java.lang.OutOfMemoryError:PermGen Space in Tomcat.
Now there are two ways to solve this:
1. Find the cause of Memory Leak or if there is any memory leak.
2. Increase size of PermGen Space by using JVM param -XX:MaxPermSize and -XX:PermSize.
You can also check 2 Solution of J...
Reading specific lines only
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linecache now appears to only work for python source files
– Paul H
Oct 11 '17 at 17:32
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Adding a newline into a string in C#
...ot, there is never an excuse for being a bad programmer on purpose. If we know how to do it better we should. Besides imagine implementing this in a library which is being used in a core feature in a database system - you would want high performance.
– ワイきんぐ
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How to serialize an object into a string
...a.util.Base64.
Still you should use CLOB as data type because you don't know how long the serialized data is going to be.
Here is a sample of how to use it.
import java.util.*;
import java.io.*;
/**
* Usage sample serializing SomeClass instance
*/
public class ToStringSample {
public s...