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How to debug a Flask app
... well).
For Linux, Mac, Linux Subsystem for Windows, Git Bash on Windows, etc.:
export FLASK_APP=myapp
export FLASK_ENV=development
flask run
For Windows CMD, use set instead of export:
set FLASK_ENV=development
For PowerShell, use $env:
$env:FLASK_ENV = "development"
Prior to Flask 1.0, t...
Git format-patch to be svn compatible?
...d -e 's/.*:refs\/remotes\///'`
REV=`git svn find-rev $(git rev-list --date-order --max-count=1 $TRACKING_BRANCH)`
git diff --no-prefix $(git rev-list --date-order --max-count=1 $TRACKING_BRANCH) $* |
sed -e "s/^+++ .*/& (working copy)/" -e "s/^--- .*/& (revision $REV)/" \
-e "s/^diff -...
Oracle “(+)” Operator
...
Exactly right. In order to keep the (+) straight in my head (left side vs. right side), I like to think of the (+) as "adding NULL values if no match found". For example, "a.id=b.id(+)" means allow b.id to be NULL if there is no match with a....
Removing MySQL 5.7 Completely [closed]
...pt-get purge mysql-client-core-5.7
sudo rm -rf /var/log/mysql
sudo rm -rf /etc/mysql
All above commands in single line (just copy and paste):
sudo service mysql stop && sudo killall -9 mysql && sudo killall -9 mysqld && sudo apt-get remove --purge mysql-server mysql-client...
Should one use < or
... @Lie, this only applies if you need to process the items in forward order. With most operations in these kind of loops you can apply them to the items in the loop in any order you like. For example if you are searching for a value it does not matter if you start at the end of the list and wor...
What is the use of the square brackets [] in sql statements?
...be surrounded by brackets if you want to use them as column / table / sp / etc. names. In MySQL angled single quotes ```` would be the equivalent of this.
– Baz Guvenkaya
Feb 9 '17 at 5:03
...
Printing 1 to 1000 without loop or conditionals
... @Joseph - The constructor one shouldn't be affected by what order the individual objects are initiated, but it is a good question.
– Chris Lutz
Jan 3 '11 at 2:40
12
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redis-py : What's the difference between StrictRedis() and Redis()?
... to provide backwards compatibility with older versions of redis-py:
LREM: Order of 'num' and 'value' arguments reversed such that 'num' can provide a default value of zero.
ZADD: Redis specifies the 'score' argument before 'value'. These were swapped accidentally when being implemented and not disc...
Why use try {} finally {} with an empty try block?
...ted
finally blocks are executed before the
thread is aborted”. So in order to
guarantee that your processing
finishes even if your thread is
aborted in the middle by someone
calling Abort on your thread, you can
place all your code in the finally
block (the alternative is to write
...
How to check if a string contains a substring in Bash
...
Note that the order in which the test occurs matters. The output of the following line of code will be forward 2. number=2; if [[ "1, 2, 4, 5" = *${number}* ]]; then echo forward $number; fi; if [[ *${number}* = "1, 2, 4, 5" ]]; then echo ...