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What is the difference between declarative and imperative programming? [closed]
...rary/bb397906.aspx for examples, from item in collection where item%2 != 0 select item would be the declarative form. Calling a function doesn't become declarative programming just because that function is in the System.Linq namespace.
– Pete Kirkham
Aug 28 '15...
How can I convert a string to upper- or lower-case with XSLT?
...hod of case conversion is translate():
<xsl:variable name="lowercase" select="'abcdefghijklmnopqrstuvwxyz'" />
<xsl:variable name="uppercase" select="'ABCDEFGHIJKLMNOPQRSTUVWXYZ'" />
<xsl:template match="/">
<xsl:value-of select="translate(doc, $lowercase, $uppercase)" /&g...
Asp.net - Add blank item at top of dropdownlist
...drpList.Items.Insert(0, new ListItem(String.Empty, String.Empty));
drpList.SelectedIndex = 0;
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Can I do a partial revert in GIT
... can also do git add -p to start an interactive session that allows you to selectively add chunks of files, instead of entire files. (There's also git reset -p to selectively unstage changes. Good to know, but probably not what you want in this scenario.)
– Stéphan Kochen
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Is there a REAL performance difference between INT and VARCHAR primary keys?
...a decent programming background but my SQL experience is limited mostly to SELECT queries
– Rob
Jul 3 '12 at 14:47
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Select all child elements recursively in CSS
How can you select all child elements recursively?
2 Answers
2
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Inspect element that only appear when other element is mouse overed/entered
...to the Elements panel and use the magnifying glass icon in the top left to select the tooltip
If the tooltip shows up because of CSS, here's what you can do in that case:
Step-by-step:
Open the DevTools
Select the triggering element in the dev tools (the link)
Right click, and select "force el...
Move entire line up and down in Vim
...;A-down> but when I try those keys in vim in visual running in tmux the selection disappears and the cursor moves line up; without moving the selected lines.
– Konrad
Dec 27 '16 at 9:49
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How to convert linq results to HashSet or HashedSet
...f T explicitly:
var query = from i in Enumerable.Range(0, 10)
select new { i, j = i + 1 };
var resultSet = query.ToHashSet();
You can't do that with an explicit call to the HashSet<T> constructor. We're relying on type inference for generic methods to do it for us.
Now you coul...
nvarchar(max) vs NText
...was instant.
I ran the following to find all columns needing conversion:
SELECT concat('ALTER TABLE dbo.[', table_name, '] ALTER COLUMN [', column_name, '] VARCHAR(MAX)'), table_name, column_name
FROM information_schema.columns where data_type = 'TEXT' order by table_name, column_name
SELECT conc...