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How do you get the list of targets in a makefile?
...ent a target named list that simply lists all target names in alphabetical order - i.e.: invoke as make list:
.PHONY: list
list:
@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | e...
How do I resolve git saying “Commit your changes or stash them before you can merge”?
...g acts as a stack, where you can push changes, and you pop them in reverse order.
To stash, type
git stash
Do the merge, and then pull the stash:
git stash pop
Discard the local changes
using git reset --hard
or git checkout -t -f remote/branch
Or: Discard local changes for a specific file
...
JavaScript hashmap equivalent
... three major ways to keep a collection of objects addressable by a key:
Unordered. In this case to retrieve an object by its key we have to go over all keys stopping when we find it. On average it will take n/2 comparisons.
Ordered.
Example #1: a sorted array — doing a binary search we will find...
What's the difference between RANK() and DENSE_RANK() functions in oracle?
...
RANK gives you the ranking within your ordered partition. Ties are assigned the same rank, with the next ranking(s) skipped. So, if you have 3 items at rank 2, the next rank listed would be ranked 5.
DENSE_RANK again gives you the ranking within your ordered part...
Shorten string without cutting words in JavaScript
...led this question a million ways and could only find a working version for php nothing close to this and involving loops.
– Josh Bedo
Mar 28 '11 at 3:20
1
...
What is the advantage of GCC's __builtin_expect in if else statements?
... ...
after_if:
You can see that the instructions are arranged in such an order that the bar case precedes the foo case (as opposed to the C code). This can utilise the CPU pipeline better, since a jump thrashes the already fetched instructions.
Before the jump is executed, the instructions below ...
What is the difference between application server and web server?
...gh most Web Servers have plugins to support scripting languages like Perl, PHP, ASP, JSP etc. through which these servers can generate dynamic HTTP content.
Most of the application servers have Web Server as integral part of them, that means App Server can do whatever Web Server is capable of. Addi...
MongoDB Many-to-Many Association
...f clear then is generally discouraged, but if needed can be implemented by ordering the operations:
Get the list of user names from Role.users.
Iterate the user names from step 1, remove the role name from User.roles.
Clear the Role.users.
In the case of an issue, which is most likely to occur w...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
...
In order to update Google Play, you can open Google Play, go to Settings and click on the Build Version.
– dr.scre
Aug 28 '14 at 13:30
...
Capturing Groups From a Grep RegEx
..."*.jpg"
regex="[0-9]+_([a-z]+)_[0-9a-z]*"
for f in $files # unquoted in order to allow the glob to expand
do
if [[ $f =~ $regex ]]
then
name="${BASH_REMATCH[1]}"
echo "${name}.jpg" # concatenate strings
name="${name}.jpg" # same thing stored in a variable
...