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In Python, using argparse, allow only positive integers

...still need to define an actual method that decides this for you: def check_positive(value): ivalue = int(value) if ivalue <= 0: raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value) return ivalue parser = argparse.ArgumentParser(...) parser.add_argu...
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Quick easy way to migrate SQLite3 to MySQL? [closed]

...two file formats: The lines starting with: BEGIN TRANSACTION COMMIT sqlite_sequence CREATE UNIQUE INDEX are not used in MySQL SQLite uses CREATE TABLE/INSERT INTO "table_name" and MySQL uses CREATE TABLE/INSERT INTO table_name MySQL doesn't use quotes inside the schema definition MySQL uses singl...
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How to join two JavaScript Objects, without using JQUERY [duplicate]

...ted. const target = {}; $.extend(true, target, obj1, obj2); 7 - Lodash _.assignIn(object, [sources]): also named as _.extend: const result = {}; _.assignIn(result, obj1, obj2); 8 - Lodash _.merge(object, [sources]): const result = _.merge(obj1, obj2); There are a couple of important diffe...
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Django DB Settings 'Improperly Configured' Error

...--settings=mysite.settings (or whatever settings module you use) Set DJANGO_SETTINGS_MODULE environment variable in your OS to mysite.settings (This is removed in Django 1.6) Use setup_environ in the python interpreter: from django.core.management import setup_environ from mysite import settings s...
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How to avoid circular imports in Python? [duplicate]

... Doesn't seem to work with submodules import foobar.mod_a and import foobar.mod_b doesn't work like described above. – Nick Oct 2 '13 at 0:39 ...
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Forward function declarations in a Bash or a Shell script?

... This seems somewhat analogous to what if _ _ name _ _ == "_ _ main _ _": main() does in python – Sergiy Kolodyazhnyy Feb 13 '16 at 7:13 ...
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how to detect search engine bots with php?

... Here's a Search Engine Directory of Spider names Then you use $_SERVER['HTTP_USER_AGENT']; to check if the agent is said spider. if(strstr(strtolower($_SERVER['HTTP_USER_AGENT']), "googlebot")) { // what to do } ...
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How do I use IValidatableObject?

... class RangeIfTrueAttribute : RangeAttribute { private readonly string _NameOfBoolProp; public RangeIfTrueAttribute(string nameOfBoolProp, int min, int max) : base(min, max) { _NameOfBoolProp = nameOfBoolProp; } public RangeIfTrueAttribute(string nameOfBoolProp, double ...
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libpthread.so.0: error adding symbols: DSO missing from command line

....o \ lib/libopenvswitch.a \ /home/jyyoo/src/dpdk/build/lib/librte_eal.a /home/jyyoo/src/dpdk/build/lib/libethdev.a /home/jyyoo/src/dpdk/build/lib/librte_cmdline.a /home/jyyoo/src/dpdk/build/lib/librte_hash.a /home/jyyoo/src/dpdk/build/lib/librte_lpm.a /home/jyyoo/src/dpdk/build/lib/librte_...
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What does the PHP error message “Notice: Use of undefined constant” mean?

... You should quote your array keys: $department = mysql_real_escape_string($_POST['department']); $name = mysql_real_escape_string($_POST['name']); $email = mysql_real_escape_string($_POST['email']); $message = mysql_real_escape_string($_POST['message']); As is, it was looking ...