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Can I make the foreign key field optional in Django model
... database to allow NULL values for that field. The exception is CharFields and TextFields, which in Django are never saved as NULL. Blank values are stored in the DB as an empty string ('').
– fang_dejavu
Jun 20 '16 at 18:32
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Path.Combine absolute with relative path strings
...ctory has the trailing \\, otherwise you end up with C:\\blah..\\bling.txt and that doesn't work. In that case you can manually add them to the string or do Path.GetFullPath(Path.Combine(baseDirectory, relativePath))
– Nelson Rothermel
Jun 6 '13 at 21:15
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ggplot: How to increase spacing between faceted plots?
I have several faceted histograms (obtained with the command below) which are nicely plotted one under the other. I would like to increase the spacing between them, however, they are tight.
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MySql - Way to update portion of a string?
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Use the LIKE operator to find the rows that you care about and update them using the REPLACE function.
For example:
UPDATE table_name SET field_name = REPLACE(field_name,'search','replace') WHERE field_name LIKE '%some_value%'
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How to calculate a mod b in Python?
... edited Jul 28 '19 at 15:58
wjandrea
12.3k55 gold badges2424 silver badges4747 bronze badges
answered Jun 14 '09 at 10:58
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How can I make a button redirect my page to another page? [duplicate]
...u shouldn't really have it inline like that, instead, put it in a JS block and give the button an ID:
<button id="myButton" class="float-left submit-button" >Home</button>
<script type="text/javascript">
document.getElementById("myButton").onclick = function () {
loca...
Placing Unicode character in CSS content value [duplicate]
...8?
nav a:hover:after {
content: "↓";
}
If that's not good enough, and you want to keep it all-ASCII:
nav a:hover:after {
content: "\2193";
}
The general format for a Unicode character inside a string is \000000 to \FFFFFF – a backslash followed by six hexadecimal digits. You can le...
How do I resolve cherry-pick conflicts using their changes?
...tried this exactly: git cherry-pick --strategy=recursive -X theirs 1b92440 and I'm still prompted for an unresolved conflict: Unmerged paths: deleted by them: (file path). Any idea?
– pilau
Aug 2 '13 at 10:41
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How do you change text to bold in Android?
How do you change text/font settings in an Android TextView ?
19 Answers
19
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SQL Server IIF vs CASE
...SE in my queries. I want to know the exact purpose of the IIF statement and when should we prefer using IIF over CASE Statement in the query.
I mostly use nested CASE in my queries.
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