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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
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edited Aug 2 '17 at 10:42
a_horse_with_no_name
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How to percent-encode URL parameters in Python?
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407
Python 2
From the docs:
urllib.quote(string[, safe])
Replace special characters in strin...
What does the 'L' in front a string mean in C++?
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edited Jun 17 '11 at 10:11
answered Jun 17 '11 at 9:58
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Unresolved external symbol on static class members
...ou can just use the inline specifier (see https://stackoverflow.com/a/11711082/55721)
If using older versions of the C++ standard, you must add the definitions to match your declarations of X and Y
unsigned char test::X;
unsigned char test::Y;
somewhere. You might want to also initialize a static...
What is digest authentication?
... sent. If they match then access is granted, otherwise it can send back a 401 Unauthorized (no login or failed login) or a 403 Forbidden (access denied).
Digest authentication is standardized in RFC2617. There's a nice overview of it on Wikipedia:
You can think of it like this:
Client makes req...
List tables in a PostgreSQL schema
...n use regular-expression notations such as character classes, for example [0-9] to match any digit. All regular expression special characters work as specified in Section 9.7.3, except for . which is taken as a separator as mentioned above, * which is translated to the regular-expression notation .*...
Shorten string without cutting words in JavaScript
...the string to the maximum length
var trimmedString = yourString.substr(0, maxLength);
//re-trim if we are in the middle of a word and
trimmedString = trimmedString.substr(0, Math.min(trimmedString.length, trimmedString.lastIndexOf(" ")))
}
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How to use relative/absolute paths in css URLs?
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answered Apr 28 '11 at 8:01
KobiKobi
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How to set the text color of TextView in code?
...set a text color by the textColor attribute, like android:textColor="#FF0000" . But how do I change it by coding?
35 Ans...
UML class diagram enum
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203
They are simply showed like this:
_______________________
| <<enumeration>> |
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