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Why is debugging better in an IDE? [closed]
...tware developer for over twenty years, programming in C, Perl, SQL, Java, PHP, JavaScript, and recently Python. I've never had a problem I could not debug using some careful thought, and well-placed debugging print statements.
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Which is faster: multiple single INSERTs or one multiple-row INSERT?
...: (2)
Parsing query: (2)
Inserting row: (1 × size of row)
Inserting indexes: (1 × number of indexes)
Closing: (1)
From this it should be obvious, that sending one large statement will save you an overhead of 7 per insert statement, which in further reading the text also says:
If y...
Postgres: How to do Composite keys?
..."tags.tag_id"
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "tags_pkey" for table "tags"
CREATE TABLE
pg=> \d tags
Table "public.tags"
Column | Type | Modifiers
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C# Sortable collection which allows duplicate keys
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Yes thats right, Shachwat! You cannot use Remove(key) or IndexOfKey(key), because the comparer never returns 0 to signal key equality. But you might RemoveAt(index) to delete items if you have their index.
– Knasterbax
Jun 23 '14 at 11:19
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Proper use cases for Android UserManager.isUserAGoat()?
...stolen from the HN comments.
int TaskManagerModel::GetGoatsTeleported(int index) const {
int seed = goat_salt_ * (index + 1);
return (seed >> 16) & 255;
}
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How accurately should I store latitude and longitude?
... 16 3.5nm ... Fleas on a dog
-- http://mysql.rjweb.org/doc.php/latlng#representation_choices
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How to copy Java Collections list
... capacity (not size) to contain all of a's elements, then it will throw an IndexOutOfBoundsException. The expectation is that no allocations will be required by Collections.copy to work, and if any are, then it throws that exception. It's an optimization to require the copied collection to be preall...
Pass complex parameters to [Theory]
...assData Example
public class StringTests3
{
[Theory, ClassData(typeof(IndexOfData))]
public void IndexOf(string input, char letter, int expected)
{
var actual = input.IndexOf(letter);
Assert.Equal(expected, actual);
}
}
public class IndexOfData : IEnumerable<obje...
Can I install Python windows packages into virtualenvs?
...ypi.python.org/simple/… Reading pypi.python.org/simple/… Couldn't find index page for 'binary_installer_built_with_distutils.exe' Scanning index of all packages (this may take a while) Reading pypi.python.org/simple No local packages or download links found for binary-installer-built-with-distut...
Text editor to open big (giant, huge, large) text files [closed]
...r a chart.
Example usage:
C:\>logparser.exe -i:textline -o:tsv "select Index, Text from 'c:\path\to\file.log' where line > 1000 and line < 2000"
C:\>logparser.exe -i:textline -o:tsv "select Index, Text from 'c:\path\to\file.log' where line like '%pattern%'"
The relativity of sizes
100 ...