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How does autowiring work in Spring?
...e the userService variable with UserService type. So why make entry in xml file.
– viper
May 24 '16 at 10:05
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Should I compile with /MD or /MT?
...rsions of the run-time routines are selected from the standard header (.h) files. This option also causes the compiler to place the library name LIBCMT.lib into the .obj file so that the linker will use LIBCMT.lib to resolve external symbols. Either /MT or /MD (or their debug equivalents /MTd or /MD...
Changing image size in Markdown
... 2 (only macOS)) you can append =WIDTHxHEIGHT after the URL of the graphic file to resize the image. Do not forget the space before the =.
You can skip the HEIGHT
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Delete specific line number(s) from a text file using sed?
I want to delete one or more specific line numbers from a file. How would I do this using sed?
6 Answers
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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...acle listener service. Now all is well.
For example, your listener.ora file might initially look like:
# listener.ora Network Configuration File: C:\app\oracle_user\product\12.1.0\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
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How to write DataFrame to postgres table?
...tee that it always works, buth the basis should be there). If you put that file in your working directory and import it, then you should be able to do (where con is a postgresql connection):
import sql # the patched version (file is named sql.py)
sql.write_frame(df, 'table_name', con, flavor='post...
mmap() vs. reading blocks
I'm working on a program that will be processing files that could potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since...
Using the slash character in Git branch name
...labs does not already exist (as in this thread)?
You can't have both a file, and a directory with the same name.
You're trying to get git to do basically this:
% cd .git/refs/heads
% ls -l
total 0
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 labs
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 master...
Where can I set environment variables that crontab will use?
...very hour. The user running it has environment variabless in the .bash_profile that work when the user runs the job from the terminal, however, obviously these don't get picked up by crontab when it runs.
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Resetting remote to a certain commit
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If you want a previous version of file, I would recommend using git checkout.
git checkout <commit-hash>
Doing this will send you back in time, it does not affect the current state of your project, you can come to mainline
git checkout mainline
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