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Django Forms: if not valid, show form with error message
.../div>
{% endfor %}
{% endfor %}
{% for error in form.non_field_errors %}
<div class="alert alert-danger">
<strong>{{ error|escape }}</strong>
</div>
{% endfor %}
{% endif %}
An example:
def myView(request):
form = myFo...
SQL Server SELECT INTO @variable?
...se TOP, MySQL uses LIMIT, and Oracle uses ROWNUM. See w3schools.com/sql/sql_top.asp for more information.
– Tyler
Jul 7 '17 at 12:08
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Regular vs Context Free Grammars
...ven includes epsilon as an third alternative: en.wikipedia.org/wiki/Regular_grammar)
– user764754
Feb 5 '12 at 18:26
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How can I pass data from Flask to JavaScript in a template?
...pass it a list of tuples with the long/lat information. I know that render_template will pass these variables to the view so they can be used in HTML, but how could I pass them to JavaScript in the template?
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Difference between \b and \B in regex
...rk in regex is composed of letters (a– z and A– Z), digits, and the “_” [underscore]). Everything else is non word.
– Maralc
Aug 25 '15 at 1:31
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Is there an easy way to strike through text in an app widget?
... this:
remoteviews.setInt(R.id.YourTextView, "setPaintFlags", Paint.STRIKE_THRU_TEXT_FLAG | Paint.ANTI_ALIAS_FLAG);
Of course you can also add other flags from the android.graphics.Paint class.
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How can I know when an EditText loses focus?
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Kotlin way
editText.setOnFocusChangeListener { _, hasFocus ->
if (!hasFocus) { }
}
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How can I do test setup using the testing package in Go
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This can be achieved by putting a init() function in the myfile_test.go file. This will be run before the init() function.
// myfile_test.go
package main
func init() {
/* load test data */
}
The myfile_test.init() will be called before the package init() function.
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Visual Studio loading symbols
...lready reported this obvious bug to Microsoft?
– real_yggdrasil
Sep 12 '12 at 9:54
Your a start, this has been driving...
How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]
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@Vyga It's _.indexOf.
– lonesomeday
Oct 21 '16 at 7:36
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