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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
The following code gives the error UnboundLocalError: local variable 'Var1' referenced before assignment :
5 Answers
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PHP String to Float
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Well, if user write 1,00,000 then floatvar will show error. So -
floatval(preg_replace("/[^-0-9\.]/","",$input));
This is much more reliable.
Usage :
$input = '1,03,24,23,434,500.6798633 this';
echo floatval(preg_replace("/[^-0-9\.]/","",$input));
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How to add multiple columns to a table in Postgres?
... Ouch... Neither of the syntaxes above work in Redshift :-( I get errors: ERROR: syntax error at or near "," LINE 1: ALTER TABLE x ADD COLUMN col1 int, ADD COLUMN colX int
– Doug P
Nov 18 '19 at 23:01
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How do you produce a .d.ts “typings” definition file from an existing JavaScript library?
...ons can't be combined (tested in TypeScript 1.8 and 2.0). If I try, I get: error TS5053: Option 'allowJs' cannot be specified with option 'declaration'
– Alexey
Sep 27 '16 at 7:52
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How do I create a MongoDB dump of my database?
...ed to: prod.example.com
all dbs
DATABASE: log to dump/log
log.errors to dump/log/errors.bson
713 objects
log.analytics to dump/log/analytics.bson
234810 objects
DATABASE: blog to dump/blog
blog.posts to dump/log/blog.posts.bson
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How to send a PUT/DELETE request in jQuery?
...g an IIS webserver and the jquery PUT or DELETE requests are returning 404 errors, you will need to enable these verbs in IIS. I've found this to be a good resource: geekswithblogs.net/michelotti/archive/2011/05/28/…
– TimDog
Jan 12 '12 at 21:03
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Are there any JavaScript static analysis tools? [closed]
...trc file.
I particularly like that I can tell JSHint to report all of the errors in a file, even if there are hundreds of errors. By contrast, although JSLint does have a maxerr configuration option, it will generally bail out relatively early when attempting to process files that contain large num...
Difference between float and decimal data type
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Actually, the DECIMAL addition is in error. If you add 33.333333333 three times you don't get 100. If you divide 100 by 3 you don't get a rational number without a repeating set of trailing digits, so you can't multiply it by 3 and get 100. Get out a calculator ...
How do I import CSV file into a MySQL table?
... a local file, you might need to LOAD DATA LOCAL INFILE. If this throws an error 1148 "used command is not allowed", you can enable it by running mysql on the command line with --local-infile.
– Big McLargeHuge
Apr 15 '15 at 4:45
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Turn a simple socket into an SSL socket
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You will need to initialize OpenSSL:
void InitializeSSL()
{
SSL_load_error_strings();
SSL_library_init();
OpenSSL_add_all_algorithms();
}
void DestroySSL()
{
ERR_free_strings();
EVP_cleanup();
}
void ShutdownSSL()
{
SSL_shutdown(cSSL);
SSL_free(cSSL);
}
Now for the ...