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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
...her good examples: they use dynamic runtime loading to load and create components they don't know anything before the runtime.
Actually, if you want to go further, have a look at Ted Neward paper Understanding Class.forName() that I was paraphrasing in the paragraph just above.
EDIT (answering a q...
How to print the full traceback without halting the program?
...TypeError: Again !?!
If you really need to access the original traceback one solution is to cache the exception infos as returned from exc_info in a local variable and display it using print_exception:
import traceback
import sys
try:
raise TypeError("Oups!")
except Exception, err:
try:
...
Get a specific bit from byte
I have a byte, specifically one byte from a byte array which came in via UDP sent from another device. This byte stores the on/off state of 8 relays in the device.
...
Create Git branch with current changes
...any commit yet, only (1: branch) and (3: checkout) would be enough.
Or, in one command: git checkout -b newBranch
As mentioned in the git reset man page:
$ git branch topic/wip # (1)
$ git reset --hard HEAD~3 # (2) NOTE: use $git reset --soft HEAD~3 (explanation below)
$ git checkout topic/w...
How to replace part of string by position?
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I do not know why someone would use stringbuilder for this operation. This is good answer
– NappingRabbit
Jul 16 '19 at 11:09
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Struct like objects in Java
...to defending coding dogma (as opposed to coding style). There's always someone who COULD be confused by the simplest things. You'll always find somebody complaining that he made a mistake after staying awake and coding for half a week or some such and then blaming the misleading coding style. I do n...
Why is the JVM stack-based and the Dalvik VM register-based?
... The Dalvik VM takes the generated Java class files and combines them into one or more Dalvik Executables (.dex) files. It reuses duplicate information from multiple class files, effectively reducing the space requirement (uncompressed) by half from traditional .jar file. For example, the .dex file ...
Where is my .vimrc file?
...
Short answer:
To create your vimrc, start up Vim and do one of the following:
:e $HOME/.vimrc " on Unix, Mac or OS/2
:e $HOME/_vimrc " on Windows
:e s:.vimrc " on Amiga
Insert the settings you want, and save the file.
Note that exisitence of this file will disable the...
Can I export a variable to the environment from a bash script without sourcing it?
...answer: No.
But there are several possible workarounds.
The most obvious one, which you've already mentioned, is to use source or . to execute the script in the context of the calling shell:
$ cat set-vars1.sh
export FOO=BAR
$ . set-vars1.sh
$ echo $FOO
BAR
Another way is to have the script, ...
Is there an easy way to check the .NET Framework version?
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@FactorMystic can this be done on a non-admin PC account? will i have access to the registry values?
– Jay Nirgudkar
May 8 '15 at 12:39
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