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Reference: What is variable scope, which variables are accessible from where and what are “undefined
... scope.
Example:
<?php
$foo = 'bar';
function myFunc() {
$baz = 42;
}
$foo is in the global scope, $baz is in a local scope inside myFunc. Only code inside myFunc has access to $baz. Only code outside myFunc has access to $foo. Neither has access to the other:
<?php
$foo = 'bar';
...
Getting the last argument passed to a shell script
...
– Paweł Nadolski
Feb 26 '13 at 8:24
3
@MichałŠrajer true is part of POSIX.
...
Remove characters except digits from string using Python?
... the fastest approach is the .translate method:
>>> x='aaa12333bb445bb54b5b52'
>>> import string
>>> all=string.maketrans('','')
>>> nodigs=all.translate(all, string.digits)
>>> x.translate(all, nodigs)
'1233344554552'
>>>
string.maketrans ma...
Skip certain tables with mysqldump
...=databasename
DB_FILE=dump.sql
EXCLUDED_TABLES=(
table1
table2
table3
table4
tableN
)
IGNORED_TABLES_STRING=''
for TABLE in "${EXCLUDED_TABLES[@]}"
do :
IGNORED_TABLES_STRING+=" --ignore-table=${DATABASE}.${TABLE}"
done
echo "Dump structure"
mysqldump --host=${HOST} --user=${USER} --password...
CSS styling in Django forms
...
shadfcshadfc
4,54322 gold badges2222 silver badges1818 bronze badges
...
Vim: insert the same characters across multiple lines
...
941
Move the cursor to the n in name.
Enter visual block mode (Ctrlv).
Press j three times (or 3j)...
Is there an exponent operator in C#?
... |
edited Aug 16 at 23:24
Neuron
3,54333 gold badges2323 silver badges4040 bronze badges
answered Jun ...
How can I tell PyCharm what type a parameter is expected to be?
...
46
If you are using Python 3.0 or later, you can also use annotations on functions and parameters....
Django admin: how to sort by one of the custom list_display fields that has no database field
...
bbrikbbrik
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...