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How to print out a variable in makefile
...the shell:
.PHONY: all
all: ; $(info $$var is [${var}])echo Hello world
Now, what happens here is that make stores the entire recipe ($(info $$var is [${var}])echo Hello world) as a single recursively expanded variable. When make decides to run the recipe (for instance when you tell it to build a...
How do I “un-revert” a reverted Git commit?
... PR and change the target branch to the original branch instead of master. Now your original branch can be re-merged to effect the previously reverted changes.
– pauljm
Sep 26 '14 at 16:01
...
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
.../libmysqlclient.18.dylib: Operation not permitted" - Everything is working now and I can finally start my work for the day...Thanks!
– Colin Adams
Jul 25 '16 at 16:36
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How do I put a variable inside a string?
... With the introduction of f-strings in Python 3.6, this can now be written as plot.savefig(f'hanning{num}.pdf'). I added an answer with this info.
– joelostblom
May 26 '17 at 15:30
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...ect to it, but it couldn't connect you to the database because it doesn't know that that database is up. There are two reasons for this:
the database has not been started up,
the database has not registered with the listener, e.g. because the database was started before the listener. (When the d...
How to format an inline code in Confluence?
...
This works, however in my OnDemand instance (cloud) I am now receiving an error "The following macros are not currently supported in the header: style" at the top of the page. Yet it still renders. Go figure :)
– GONeale
Feb 15 '18 at 5:47
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How can I find the method that called the current method?
... how can I learn the name of the method that called the current method? I know all about System.Reflection.MethodBase.GetCurrentMethod() , but I want to go one step beneath this in the stack trace. I've considered parsing the stack trace, but I am hoping to find a cleaner more explicit way, somethi...
How can I find which tables reference a given table in Oracle SQL Developer?
...
This answer references that SQL Developer 4.1 and up now have an option the "Model" tab that will show this information in ERD format.
– SnoringFrog
Mar 21 '17 at 14:57
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Iterating through a JSON object
...nt:
from __future__ import print_function
for song in json_object:
# now song is a dictionary
for attribute, value in song.items():
print(attribute, value) # example usage
NB: You could use song.iteritems instead of song.items if in Python 2.
...
How to pass prepareForSegue: an object
...ew controllers. The first contains three buttons and the second needs to know which of those buttons has been pressed before the transition. You could wire the buttons up to an IBAction in your code which uses performSegueWithIdentifier: method, like this...
// When any of my buttons are pressed...