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How to add a new row to datagridview programmatically
...
You cannot directly reference a column by name as you did: row.Cells["Column2"].Value = "XYZ"; ... You have to look up the index first: row.Cells[yourDataGridView.Columns["Column2"].Index].Value = "XYZ";
– Tizz
Dec 3 '12 at 1...
How to change field name in Django REST Framework
...izerField can be serializers.CharField as your model suggests but can also by any of the other fields. Also you can put relational fields and other serializers instead and this would still work like charm. ie even if alternate_name was a foreignkey field to another model.
class ParkSerializer(seri...
Equation (expression) parser with precedence?
...ably don't need to worry about licensing issues since the C code generated by bison is not covered by the GPL (IANAL but I'm pretty sure GPL tools don't force the GPL on generated code/binaries; for example Apple compiles code like say, Aperture with GCC and they sell it without having to GPL said c...
How to get started with developing Internet Explorer extensions?
...the post-build script can register the BHO (needs registry access).
Start by creating a class library.
I called mine InternetExplorerExtension.
Add these references to the project:
Interop.SHDocVw: COM tab / search for "Microsoft Internet Controls"
Microsoft.mshtml: Assemblies tab / search for "...
How do I import a specific version of a package using go get?
... specific version of a vendor lib into the project folder ( node_modules ) by telling npm to install that version of that lib from the package.json or even directly from the console, like so:
...
Getting “A potentially dangerous Request.Path value was detected from the client (&)”
...tionResult EditorAjax(int id, int? jobId, string type = ""){}
solved that by changing the line
from
<a href="/ScreeningQuestion/EditorAjax/5&jobId=2&type=additional" />
to
<a href="/ScreeningQuestion/EditorAjax/?id=5&jobId=2&type=additional" />
where my route.config i...
What is causing ERROR: there is no unique constraint matching given keys for referenced table?
...of code to change your issues
First find out the primary key constraints by typing this code
\d table_name
you are shown like this at bottom "some_constraint" PRIMARY KEY, btree (column)
Drop the constraint:
ALTER TABLE table_name DROP CONSTRAINT some_constraint
Add a new primary key column w...
How to do date/time comparison
...hen used with time.Parse they do not accept all the time formats permitted by the RFCs.
cutOffTime, _ := time.Parse(time.RFC3339, "2017-08-30T13:35:00Z")
// POSTDATE is a date time field in DB (datastore)
query := datastore.NewQuery("db").Filter("POSTDATE >=", cutOffTime).
...
Installing Bower on Ubuntu
...cutable located in /etc/usr/nodejs.
You should be able to execute Node.js by using the command below, but as ours are location in nodejs we will get an error No such file or directory.
$ /usr/bin/env node
We can manually fix this by creating a symlink.
$ sudo ln -s /usr/bin/nodejs /usr/bin/node...
Why is Java's Iterator not an Iterable?
... be possible to implement an Iterable Iterator that implements .iterator() by resetting itself, but this design would still break in some circumstances, for example, if it was passed to a method that takes an Iterable and loops over all possible pairs of elements by nesting for-each loops.
...