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license: mit |
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#!/bin/bash | |
DOWNLOAD_DIR="${HOME}/Downloads" | |
FIREFOX_DIR="/usr/lib/firefox_dev" | |
DESKTOPFILE="${HOME}/.local/share/applications/firefox_dev.desktop" | |
URL="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=linux64&lang=en-US" | |
REDIR_URL=$(curl --head --silent "${URL}" --write-out "%{redirect_url}") | |
FILENAME=$(basename "${REDIR_URL}") | |
FILENAME_PATH="${DOWNLOAD_DIR}/${FILENAME}" | |
echo $FILENAME_PATH | |
curl --location "${URL}" --output "${FILENAME_PATH}" |
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# Use compiler extension to change SELECT FOR UPDATE with SKIP LOCKED, supported since MySQL 8. | |
# As of SQLAlchemy v1.2 SKIP LOCKED is only compiled for Oracle and PostgreSQL backends. | |
# ref: | |
# https://dev.mysql.com/doc/refman/8.0/en/innodb-locking-reads.html | |
# https://docs.sqlalchemy.org/en/latest/core/selectable.html#sqlalchemy.sql.expression.Select.with_for_update | |
from sqlalchemy.ext.compiler import compiles | |
from sqlalchemy.sql.expression import Select | |
from sqlalchemy.sql.selectable import ForUpdateArg |
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# forgot to redirect output to log: | |
strace -f -p <pid> -e write 2>&1 | tee /tmp/log.txt |
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def iterate_rainbow(file): | |
import mmap | |
import contextlib | |
import csv | |
from io import StringIO | |
encoding = 'utf-8' | |
csv_opts = {'delimiter': ';', 'quoting': csv.QUOTE_MINIMAL, 'quotechar': '"'} | |
with open(file, 'r+b') as fd: | |
with contextlib.closing(mmap.mmap(fd.fileno(), 0, access=mmap.ACCESS_WRITE)) as mm: |
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from geoalchemy2 import Geography, Geometry | |
from sqlalchemy import cast | |
... | |
class Node(db.Model): | |
.... | |
def get_area(self, type_key): | |
try: | |
return Area.query.filter(Area.type_key == type_key).filter( | |
cast(Area.polygon, Geometry).ST_Contains( | |
cast(self.point, Geometry))).first() or None |
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make -qp | awk -F':' '/^[a-zA-Z0-9][^$#\/\t=]*:([^=]|$)/ {split($1,A,/ /);for(i in A)print A[i]}' |
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for n in $(tail -n +3 primes1.txt); do [ ! -z "${n##*[!0-9]*}" ] && echo $n; done |
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<?php | |
echo "php version: ".phpversion()."\n"; | |
echo "\ncall named function:\n---\n"; | |
function named() { | |
try{ | |
echo "try\n";return true; | |
} finally { | |
echo "finally\n";return false; | |
} |
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