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How to .gitignore files recursively
... the repo root (parent directory of /Webapp).
– lucid_dreamer
May 6 '18 at 22:33
1
...
Check if PHP session has already started
...om a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
...
sbt-assembly: deduplication found error
...le
assemblyMergeStrategy in assembly := {
case PathList("META-INF", xs @ _*) => MergeStrategy.discard
case x => MergeStrategy.first
}
This helped me a lot.
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Resetting generator object in Python
...to create a second version of your generator:
y = FunctionWithYield()
y, y_backup = tee(y)
for x in y:
print(x)
for x in y_backup:
print(x)
This could be beneficial from memory usage point of view if the original iteration might not process all the items.
...
Skip certain tables with mysqldump
...!/bin/bash
PASSWORD=XXXXXX
HOST=XXXXXX
USER=XXXXXX
DATABASE=databasename
DB_FILE=dump.sql
EXCLUDED_TABLES=(
table1
table2
table3
table4
tableN
)
IGNORED_TABLES_STRING=''
for TABLE in "${EXCLUDED_TABLES[@]}"
do :
IGNORED_TABLES_STRING+=" --ignore-table=${DATABASE}.${TABLE}"
done
echo "Dump st...
Check if object is a jQuery object
...
isn't obj.__proto__.jquery instead of obj.constructor.prototype.jquery enough? just a bit short :)
– Axel
Jul 3 '17 at 9:35
...
RegEx for Javascript to allow only alphanumeric
...rs here.
for example: /^([a-zA-Z0-9\u0600-\u06FF\u0660-\u0669\u06F0-\u06F9 _.-]+)$/
this will support persian.
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List comprehension: Returning two (or more) items for each item
...bda x: x + 2
>>> g = lambda x: x ** 2
>>> list(chain.from_iterable((f(x), g(x)) for x in range(3)))
[2, 0, 3, 1, 4, 4]
Timings:
from timeit import timeit
f = lambda x: x + 2
g = lambda x: x ** 2
def fg(x):
yield f(x)
yield g(x)
print timeit(stmt='list(chain.from_itera...
Mathematical functions in Swift
...l math functions and constanst.
A small snippet of the file
...
func pow(_: CDouble, _: CDouble) -> CDouble
func sqrtf(_: CFloat) -> CFloat
func sqrt(_: CDouble) -> CDouble
func erff(_: CFloat) -> CFloat
...
var M_LN10: CDouble { get } /* loge(10) */
var M_PI: CDouble { get } /...
CURL alternative in Python
...rt urllib2
manager = urllib2.HTTPPasswordMgrWithDefaultRealm()
manager.add_password(None, 'https://app.streamsend.com/emails', 'login', 'key')
handler = urllib2.HTTPBasicAuthHandler(manager)
director = urllib2.OpenerDirector()
director.add_handler(handler)
req = urllib2.Request('https://app.strea...