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How to remove array element in mongodb?
...
Try the following query:
collection.update(
{ _id: id },
{ $pull: { 'contact.phone': { number: '+1786543589455' } } }
);
It will find document with the given _id and remove the phone +1786543589455 from its contact.phone array.
You can use $unset to unset the value i...
Javascript : Send JSON Object with Ajax?
... json_decode(file_get_contents('php://input'));
– David
Oct 22 '17 at 8:28
Dear friends can you share this POST ajax w...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...r for size_t and ptrdiff_t arguments, Visual C++ for instance use %Iu and %Id respectively, I think that gcc will allow you to use %zu and %zd.
You could create a macro:
#if defined(_MSC_VER) || defined(__MINGW32__) //__MINGW32__ should goes before __GNUC__
#define JL_SIZE_T_SPECIFIER "%Iu"
...
Checkbox for nullable boolean
...ticking
@model bool?
@Html.CheckBox("", Model.GetValueOrDefault())
inside.
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Advantages and disadvantages of GUID / UUID database keys
...ses would have been made a lot easier if all the database keys had been GUID / UUID values. I've considered going down this path a few times, but there's always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able URLs.
...
How do I use variables in Oracle SQL Developer?
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I am using the SQL-Developer in Version 3.2. The other stuff didn't work for me, but this did:
define value1 = 'sysdate'
SELECT &&value1 from dual;
Also it's the slickest way presented here, yet.
(If you omit the "define"-part you'll be prompted for that value)
...
Best practices for copying files with Maven
...sition, they are not. Use the copy task if you need to perform some unavoidable one-off customization:
<project>
[...]
<build>
<plugins>
[...]
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<executions>
...
How do I put a border around an Android textview?
...hape drawable (a rectangle) as background for the view.
<TextView android:text="Some text" android:background="@drawable/back"/>
And rectangle drawable back.xml (put into res/drawable folder):
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" &g...
Should I put input elements inside a label element?
...
<label for="lastname">Last Name</label>
<input type="text" id="lastname" />
or
<input type="text" id="lastname" />
<label for="lastname">Last Name</label>
or
<label>
<input type="text" name="lastname" />
Last Name
</label&...
SVG gradient using CSS
... shape-rendering: crispEdges;
fill: url(#MyGradient);
}
<svg width="100" height="50" version="1.1" xmlns="http://www.w3.org/2000/svg">
<style type="text/css">
rect{fill:url(#MyGradient)}
</style>
<defs>
<linearGradient id="M...