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Programmatically change log level in Log4j2
I'm interested in programmatically changing the log level in Log4j2. I tried looking at their configuration documentation but that didn't seem to have anything. I also tried looking in the package: org.apache.logging.log4j.core.config , but nothing in there looked helpful either.
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How can I clear the SQL Server query cache?
...CKPOINT;
GO
DBCC DROPCLEANBUFFERS;
GO
From the linked article:
If all of the performance testing is conducted in SQL Server the best approach may be to issue a CHECKPOINT and then issue the DBCC DROPCLEANBUFFERS command. Although the CHECKPOINT process is an automatic internal system proce...
What is a Java ClassLoader?
...om this nice tutorial from Sun:
Motivation
Applications written in statically compiled programming languages, such as C and C++, are compiled into native, machine-specific instructions and saved as an executable file. The process of combining the code into an executable native code is called linki...
Replace Fragment inside a ViewPager
...at ID in your code causes nothing to happen. I will explain why:
First of all, to make ViewPager repopulate the pages, you need to call notifyDataSetChanged() that resides in the base class of your adapter.
Second, ViewPager uses the getItemPosition() abstract method to check which pages should be...
“rm -rf” equivalent for Windows?
...MDIR [/S] [/Q] [drive:]path
RD [/S] [/Q] [drive:]path
/S Removes all directories and files in the specified directory in addition to the directory itself. Used to remove a directory tree.
/Q Quiet mode, do not ask if ok to remove a directory tree with /S
If you are using PowerShell ...
Difference between natural join and inner join
...aspect of a natural join. The things you need to know are (A) it automatically joins on fields of the same name and (B) it will f*** up your s*** when you least expect it. In my world, using a natural join is grounds for dismissal.
– user565869
Jan 6 '14 at 1...
How to remove CocoaPods from a project?
...u can add this xcodeproj as a subproject to your main xcodeproj.
If you really want to remove all CocoaPods integration you need to do a few things:
NOTE editing some of these things if done incorrectly could break your main project. I strongly encourage you to check your projects into source cont...
How to get the number of characters in a std::string?
...
If you're using a std::string, call length():
std::string str = "hello";
std::cout << str << ":" << str.length();
// Outputs "hello:5"
If you're using a c-string, call strlen().
const char *str = "hello";
std::cout << str <<...
Building a fat jar using maven
...;
<execution>
<id>assemble-all</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution...
Discard Git Stash Pop
I did a git stash pop and now I have a ton of conflicts. I had committed all my recent code before the git stash pop , so is there a way to go back to the last commit and get rid of all the conflicts and code the git stash pop injected?
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