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Traversing text in Insert mode
... and you'll get used to it soon. If you made a mistake ten characters back from your cursor, you'll find out that pressing the ← key 10 times is much slower than the iterative approach to moving the cursor. So you can instead quickly type the keys 12h (as a rough of guess how many characters back ...
Where should @Service annotation be kept? Interface or Implementation?
...tion when using annotation-based configuration and classpath
scanning.
From my experience I am always using @Service annotation on the interfaces or abstract classes and annotations like @Component and @Repository for their implementation. @Component annotation I am using on those classes which ...
String isNullOrEmpty in Java? [duplicate]
....isNotEmpty(str)
StringUtils.isBlank(str) or StringUtils.isNotBlank(str)
from Apache commons-lang.
The difference between empty and blank is : a string consisted of whitespaces only is blank but isn't empty.
I generally prefer using apache-commons if possible, instead of writing my own utility m...
How to step through Python code to help debug issues?
...ep is to make the Python interpreter to enter into the debugging mode.
A. From the Command Line
Most straight forward way, running from command line, of python interpreter
$ python -m pdb scriptName.py
> .../pdb_script.py(7)<module>()
-> """
(Pdb)
B. Within the Interpreter
While de...
How to start a background process in Python?
...o find a background process and redirect its IO so that attach.py can read from / write to some_long_running_prog in background?
– raof01
Mar 5 '14 at 6:46
...
How do I use .toLocaleTimeString() without displaying seconds?
...
DO NOT parse the string returned from toLocaleTimeString. I had been for a few years without any problem. But then today I noticed it was not working. Turns out there are special unicode characters (e.g. 0x200E, a left-to-right mark) which cannot be proce...
Python “SyntaxError: Non-ASCII character '\xe2' in file”
...ing some python code and I am receiving the error message as in the title, from searching this has to do with the character set.
...
What is the purpose of the word 'self'?
...elf word in Python? I understand it refers to the specific object created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this:
...
How to do a GitHub pull request
...ranch: isolate your modifications in a branch. Don't create a pull request from master, where you could be tempted to accumulate and mix several modifications at once.
rebase that branch: even if you already did a pull request from that branch, rebasing it on top of origin/master (making sure your p...
How to shrink the .git folder
...to your repo and then deleted it. To delete those kind of data permanently from your repo you have to re-write your history. A common example of that is when you accidentally check in your passwords in git. You can go back and delete some files but then you have to re-write your history from then to...