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How to create id with AUTO_INCREMENT on Oracle?
...le 11g. However, you can model it easily with a sequence and a trigger:
Table definition:
CREATE TABLE departments (
ID NUMBER(10) NOT NULL,
DESCRIPTION VARCHAR2(50) NOT NULL);
ALTER TABLE departments ADD (
CONSTRAINT dept_pk PRIMARY KEY (ID));
CREATE SEQUENCE dept_seq START...
Why are regular expressions so controversial? [closed]
...ssions as the Holy Grail. Something that looks so complicated - just must be the answer to any question. They tend to think that every problem is solvable using regular expressions.
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Quickly create a large file on a Linux system
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dd from the other answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For ex...
Change date format in a Java string
...gits yyyy, not five yyyyy. Look closer at the code snippets I posted here above.
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How does Google Instant work?
...deas on exactly how the new google instant search works? It seems to just be AJAX calls to the old search, but it's pretty hard to simplify Google that much. Anybody have speculations?
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Remap values in pandas column with a dict
I have a dictionary which looks like this: di = {1: "A", 2: "B"}
10 Answers
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How are Anonymous inner classes used in Java?
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By an "anonymous class", I take it you mean anonymous inner class.
An anonymous inner class can come useful when making an instance of an object with certain "extras" such as overriding methods, without having to actually su...
C++ performance challenge: integer to std::string conversion
Can anyone beat the performance of my integer to std::string code, linked below?
13 Answers
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How do I best silence a warning about unused variables?
...sed. Hence I get a warning from GCC telling me that there are unused variables.
21 Answers
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Jquery UI tooltip does not support html content
...tarted to use jQueryUI tooltip with jquery.ui.1.10.2. Everything was good. But when I used HTML tags in the content (in the title attribute of the element I was applying the tooltip to), I noticed that HTML is not supported.
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