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How to Select Columns in Editors (Atom,Notepad++, Kate, VIM, Sublime, Textpad,etc) and IDEs (NetBean
How to select columns in Editors and IDEs to columnar delete, insert or replace some characters ?
21 Answers
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How do I return rows with a specific value first?
...to treat boolean expressions as having a numeric value, then you can use:
SELECT *
FROM `Users`
ORDER BY (`city` = 'New York') DESC, `city`
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How to use DISTINCT and ORDER BY in same SELECT statement?
..., and use a GROUP BY to make the DISTINCT work.
Try something like this:
SELECT DISTINCT Category, MAX(CreationDate)
FROM MonitoringJob
GROUP BY Category
ORDER BY MAX(CreationDate) DESC, Category
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File Explorer in Android Studio
...en robot icon on the toolbar, to the left of the help icon). From the ADM, select the device/emulator, then select the File Explorer tab.
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How can I remove all objects but one from the workspace in R?
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Likewise, click the Name box, which selects all the files, and then deselect all the files you want to keep.
– Stephen
Dec 27 '17 at 15:18
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COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
...for all your queries that need to count everything, even for joins, use *
SELECT boss.boss_id, COUNT(subordinate.*)
FROM boss
LEFT JOIN subordinate on subordinate.boss_id = boss.boss_id
GROUP BY boss.id
But don't use COUNT(*) for LEFT joins, as that will return 1 even if the subordinate table doe...
Lists in ConfigParser
... @wim You would need to implement a way to escape the delimiter character if it can be a legal character. (And a way to escape whatever character you use for escaping.)
– jamesdlin
Aug 29 '17 at 3:25
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Mark parameters as NOT nullable in C#/.NET?
... where o.Value == null
select o;
bool paramsNull = nullParams.Count() > 0;
if (paramsNull)
{
StringBuilder sb = new StringBuilder();
foreach (var param in nullParams)
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Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...c
1 def
1 ghi
2 jkl
2 mno
2 pqr
And I do the following query:
SELECT a, b
FROM T
GROUP BY a
The output should have two rows, one row where a=1 and a second row where a=2.
But what should the value of b show on each of these two rows? There are three possibilities in each case, and no...
How to get Url Hash (#) from server side
...hash again) and/or perform other actions.
We used jQuery to simplify the selecting of the field, etc ... all in all it ends up being a few jQuery calls, one to save the value, and another to restore it.
Before submit:
$("form").submit(function() {
$("input", "#urlhash").val(window.location.has...