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Bytecode features not available in the Java language
...ns. Note that starting with Java 7u51, ACC_SUPER is ignored completely due to security reasons.
The jsr/ret bytecodes.
These bytecodes were used to implement sub-routines (mostly for implementing finally blocks). They are no longer produced since Java 6. The reason for their deprecation is that th...
Can HTML checkboxes be set to readonly?
...ught they could be, but as I'm not putting my money where my mouth was (so to speak) setting the readonly attribute doesn't actually seem to do anything.
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How to add local jar files to a Maven project?
How do I add local jar files (not yet part of the Maven repository) directly in my project's library sources?
31 Answers
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Delete all but the most recent X files in bash
Is there a simple way, in a pretty standard UNIX environment with bash, to run a command to delete all but the most recent X files from a directory?
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foreach vs someList.ForEach(){}
There are apparently many ways to iterate over a collection. Curious if there are any differences, or why you'd use one way over the other.
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What are the dark corners of Vim your mom never told you about? [closed]
...w.
Basic command, yet extremely useful.
:w !sudo tee %
I often forget to sudo before editing a file I don't have write permissions on. When I come to save that file and get a permission error, I just issue that vim command in order to save the file without the need to save it to a temp file and...
View contents of database file in Android Studio
I have been using Android Studio to develop my app since it's was released.
28 Answers
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How to add double quotes to a string that is inside a variable?
...
You need to escape them by doubling them (verbatim string literal):
string str = @"""How to add doublequotes""";
Or with a normal string literal you escape them with a \:
string str = "\"How to add doublequotes\"";
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Logging levels - Logback - rule-of-thumb to assign log levels
... build large scale, high availability type systems, so my answer is biased towards looking at it from a production support standpoint; that said, we assign roughly as follows:
error: the system is in distress, customers are probably being affected (or will soon be) and the fix probably requires hu...
When should I use a struct instead of a class?
...nd Structures.
Basically, that page gives you a 4-item checklist and says to use a class unless your type meets all of the criteria.
Do not define a structure unless the
type has all of the following
characteristics:
It logically represents a single value, similar to primitive ty...