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Postgres unique constraint vs index
...basic but important issue, so I decided to learn by example.
Let's create test table master with two columns, con_id with unique constraint and ind_id indexed by unique index.
create table master (
con_id integer unique,
ind_id integer
);
create unique index master_unique_idx on master (in...
Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
...QL and index that table and it's entries.
1.Table Structure
CREATE TABLE test_solr_mysql
(
id INT UNSIGNED NOT NULL AUTO_INCREMENT,
name VARCHAR(45) NULL,
created TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (id)
);
2.Populate the above table
INSERT INTO `test_solr_mysql` (`n...
Attach a file from MemoryStream to a MailMessage in C#
... (var message = new MailMessage("me@example.com", "you@example.com", "Just testing", "See attachment..."))
{
writer.WriteLine("Comma,Seperated,Values,...");
writer.Flush();
stream.Position = 0; // read from the start of what was written
message.Attachments.Add(new Attachment(str...
Virtual Serial Port for Linux
I need to test a serial port application on Linux, however, my test machine only has one serial port.
8 Answers
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How to tell if a string contains a certain character in JavaScript?
...
I would go with /hello/g.test(your_string). While indexOf works, I think a regex test tells a better story of what you're trying to accomplish. If I'm trying to find a sequence of characters inside a string, the index is irrelevant.
...
Javascript: negative lookbehind equivalent?
...matches
const reverse = s => s.split('').reverse().join('');
const test = (stringToTests, reversedRegexp) => stringToTests
.map(reverse)
.forEach((s,i) => {
const match = reversedRegexp.test(s);
console.log(stringToTests[i], match, 'token:', match ? reverse(reversedRegexp.e...
How to efficiently concatenate strings in go
... buffer bytes.Buffer
for i := 0; i < 1000; i++ {
buffer.WriteString("a")
}
fmt.Println(buffer.String())
}
This does it in O(n) time.
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Find unused code [closed]
... When you're deleting code you will have to make sure you're compiling and testing often.
One great tool come to mind:
NDepend - this tool is just amazing. It takes a little while to grok, and after the first 10 minutes I think most developers just say "Screw it!" and delete the app. Once you get ...
Check whether variable is number or string in JavaScript
... @George According to the OP, only existing variables will be tested.
– Sampson
May 17 '11 at 20:27
3
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How to generate sample XML documents from their DTD or XSD?
...substantial amount of XML transformations. We do not have any proper input test data per se, only DTD or XSD files. We'd like to generate our test data ourselves from these files. Is there an easy/free way to do that?
...