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Fast way to discover the row count of a table in PostgreSQL
I need to know the number of rows in a table to calculate a percentage. If the total count is greater than some predefined constant, I will use the constant value. Otherwise, I will use the actual number of rows.
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Add default value of datetime field in SQL Server to a timestamp
...bsite, but for some reason, when they created the table, they didn't put a timestamp in the table. I want it to enter the exact date and time that the record was entered.
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How can I write a heredoc to a file in Bash script?
How can I write a here document to a file in Bash script?
9 Answers
9
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How to find day of week in php in a specific timezone
I am confused while using php to handle date/time.
12 Answers
12
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InputStream from a URL
How do I get an InputStream from a URL?
6 Answers
6
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Can you control how an SVG's stroke-width is drawn?
Currently building a browser-based SVG application. Within this app, various shapes can be styled and positioned by the user, including rectangles.
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What is this weird colon-member (“ : ”) syntax in the constructor?
Recently I've seen an example like the following:
12 Answers
12
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What is the advantage to using bloom filters?
...probabilistic nature. If a 1% false
positive rate seems too high, each
time we add about 4.8 bits per element
we decrease it by ten times.
Pretty clear to me.
A bloom filter doesn't store the elements themselves, this is the crucial point. You don't use a bloom filter to test if an element ...
How to calculate the sentence similarity using word2vec model of gensim with python
According to the Gensim Word2Vec , I can use the word2vec model in gensim package to calculate the similarity between 2 words.
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How to Remove ReadOnly Attribute on File Using PowerShell?
How can I remove the ReadOnly attribute on a file, using a PowerShell (version 1.0) script?
6 Answers
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