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What does the PHP error message “Notice: Use of undefined constant” mean?
...is due to the unfortunate fact that PHP will implicitly declare an unknown token as a constant string of the same name.
That is, it's trying to interpret this (note the missing quote marks):
$_POST[department]
The only valid way this would be valid syntax in PHP is if there was previously a con...
How to revert (Roll Back) a checkin in TFS 2010
...vailable here: http://msdn.microsoft.com/en-us/library/ms194956(v=vs.110).aspx
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git pushes with wrong user from terminal
..., it was because we use 2FA at work with github and I needed to generate a token from the github gui first and use that as my password from the command line after I had reset my local credentials ! check out https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/ for ...
Instantiating a generic class in Java [duplicate]
...<Bar>) then reflectively making a Bar instance with Class<Bar> token = Bar.class; and Bar newBar = token.newInstance(); appears so much less verbose to me.
– scottb
Aug 15 '13 at 20:25
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How to split a string into a list?
.... You can also use it to solve your problem:
import nltk
words = nltk.word_tokenize(raw_sentence)
This has the added benefit of splitting out punctuation.
Example:
>>> import nltk
>>> s = "The fox's foot grazed the sleeping dog, waking it."
>>> words = nltk.word_tokenize(...
Correct way to delete cookies server-side
For my authentication process I create a unique token when a user logs in and put that into a cookie which is used for authentication.
...
How to convert comma-separated String to List?
... "[\\s,]+" will also split on internal space within a comma separated token, it will treat both whitespace as a delimiter even when a comma is not present, instead of a comma plus any number of surrounding whitespace. "\\s*(,\\s*)+" will trim whitespace only around comma separated tokens, and a...
What does %s mean in a python format string?
...ython3+
name = input("who are you? ")
print("hello %s" % (name,))
The %s token allows me to insert (and potentially format) a string. Notice that the %s token is replaced by whatever I pass to the string after the % symbol. Notice also that I am using a tuple here as well (when you only have one...
PostgreSQL: How to pass parameters from command line?
...-e -v v1=%constraints% -f test.sql
Now in your SQL code file, add the v1 token within your WHERE clause, or anywhere else in the SQL. Note that the tokens can also be used in an open SQL statement, not just in a file. Save this as test.sql:
SELECT * FROM myTable
WHERE NOT someColumn IN (:v1);
...
Why do you use typedef when declaring an enum in C++?
...
In C, declaring your enum the first way allows you to use it like so:
TokenType my_type;
If you use the second style, you'll be forced to declare your variable like this:
enum TokenType my_type;
As mentioned by others, this doesn't make a difference in C++. My guess is that either the pers...