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MySQL get the date n days ago as a timestamp
In MySQL, how would I get a timestamp from, say 30 days ago?
3 Answers
3
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Revert the `--no-site-packages` option with virtualenv
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edited Oct 23 '19 at 0:14
Zain Rizvi
20.7k1717 gold badges7878 silver badges119119 bronze badges
an...
Mongoose's find method with $or condition does not work properly
...pes.ObjectId;
var objId = new ObjectId( (param.length < 12) ? "123456789012" : param );
// You should make string 'param' as ObjectId type. To avoid exception,
// the 'param' must consist of more than 12 characters.
User.find( { $or:[ {'_id':objId}, {'name':param}, {'nickname':param} ]},
fun...
How do I go straight to template, in Django's urls.py?
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Django 2.0+
Use the class based generic views but register with the django 2.0+ pattern.
from django.urls import path
from django.views.generic import TemplateView
urlpatterns = [
path('foo/', TemplateView.as_view(template_name...
How update the _id of one MongoDB Document?
...t in a variable
doc = db.clients.findOne({_id: ObjectId("4cc45467c55f4d2d2a000002")})
// set a new _id on the document
doc._id = ObjectId("4c8a331bda76c559ef000004")
// insert the document, using the new _id
db.clients.insert(doc)
// remove the document with the old _id
db.clients.remove({_id: Ob...
Global and local variables in R
...pe of variables. For instance, in the following code snippet:
if (x > 10) {
y <- 0
}
else {
y <- 1
}
y remains accessible after the if-else statement.
As you well say, you can also create nested environments. You can have a look at these two links for understanding how to use th...
Android hide listview scrollbar?
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answered Aug 15 '11 at 6:20
ihrupinihrupin
6,79222 gold badges2727 silver badges4747 bronze badges
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javascript window.location in new tab
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answered Sep 26 '11 at 11:05
Ian OxleyIan Oxley
10.2k44 gold badges3838 silver badges4848 bronze badges
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Purging file from Git repo failed, unable to create new backup
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edited Apr 4 '14 at 0:53
user456814
answered Jun 19 '11 at 18:37
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Linq list of lists to single list
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330
You want to use the SelectMany extension method.
var residences = details.SelectMany(d => d....