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Batch files: How to read a file?
...ble and disabled delayed expansion is neccessary for the safe working with strings, like ! or ^^^xy!z.
That's because the line set "var=%%a" is only safe with DisabledDelayedExpansion, else exclamation marks are removed and the carets are used as (secondary) escape characters and they are removed to...
Check if object value exists within a Javascript array of objects and if not add a new object to arr
...)){
// add fred
}
Map over existing users to create array of username strings.
Check if that array of usernames includes the new username
If it's not present, add the new user
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Is there a way to auto expand objects in Chrome Dev Tools?
...
While the solution mentioning JSON.stringify is pretty great for most of the cases, it has a few limitations
It can not handle items with circular references where as console.log can take care of such objects elegantly.
Also, if you have a large tree, then a...
Django Template Variables and Javascript
...le of template filter:
// myapp/templatetags/js.py
from django.utils.safestring import mark_safe
from django.template import Library
import json
register = Library()
@register.filter(is_safe=True)
def js(obj):
return mark_safe(json.dumps(obj))
This template filters converts variable to ...
Suppress deprecated import warning in Java
...enting an interface with a deprecated method (such as the getUnicodeStream(String columnLabel) in java.sql.ResultSet) then you will not get rid of deprecation warnings just by using the annotation @SuppressWarnings( "deprecation" ), unless you also annotate the same new method with the @Deprecated a...
How to replace DOM element in place using Javascript?
...nced usage
You can pass multiple values (or use spread operator ...).
Any string value will be added as a text element.
Examples:
// Initially [child1, target, child3]
target.replaceWith(span, "foo") // [child1, span, "foo", child3]
const list = ["bar", span]
target.replaceWith(...list, "fiz...
How to call another controller Action From a controller in Mvc
...ther class member:
var result = new ControllerB().FileUploadMsgView("some string");
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Failed to load c++ bson extension
... This is not a solution. With the same result you can just remove strings which prints error. This error appears because of native c++ plugin for bson not found and in this case js realization will be used anyway.
– Alendorff
May 19 '15 at 0:38
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What does the NS prefix mean?
...r the original proprietary term
for the OpenStep framework, NeXTSTEP): NSString, NSArray, etc.
Foundation Kit, or more commonly simply Foundation, first appeared in
OpenStep. On Mac OS X, it is based on Core Foundation. Foundation is a
generic object-oriented library providing string and ...
Stop an input field in a form from being submitted
...seems that the form fields are being submitted to the server with an empty string for the name. I inspected the post data using WebScarab and found that the data is being sent. For now I guess I will have to disable the fields to prevent them from being submitted.
– kldavis4
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