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Can I apply the required attribute to fields in HTML5?
...value="" on the first entry - if there is no value attribute or a value on all options the required fail to trigger because the select returns an actual value
– mplungjan
May 18 '11 at 18:39
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What is the best way to profile javascript execution? [closed]
...e building a lot of javascript code and you want to determine what are actually the bottlenecks in the code. At first I want to see profile stats of every javascript function and execution time. Next would be including DOM functions. This combined with actions that slows things down like operation o...
SQL Server add auto increment primary key to existing table
... ADD CONSTRAINT PK_YourTable
PRIMARY KEY(ID)
or if you prefer to do all in one step:
ALTER TABLE dbo.YourTable
ADD ID INT IDENTITY
CONSTRAINT PK_YourTable PRIMARY KEY CLUSTERED
share
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Preventing form resubmission
... browser has for inspecting outgoing HTTP requests and check out the HTTP calls. You should see the first one (posting the form data) happening with the POST method, returning HTTP code 301 with Location header pointing to itself, and then immediately you should be seeing another HTTP query to the s...
Sending a mail from a linux shell script
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If you're not sure how to install/configure and you're on Ubuntu: sudo apt-get install mailutils and select Internet site: Mail is sent and received directly using SMTP..
– user1717828
Dec 15 '17 at 17:48
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How to change the Text color of Menu item in Android?
... I am still completely unable to change the text color. My overall theme textcolor just takes preference. Any help? None of these answers work.
– David P
Jun 21 '17 at 7:26
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Function overloading in Javascript - Best practices
...rings("one",2,true); // result = one2true
This particular example is actually more elegant in javascript than C#. Parameters which are not specified are 'undefined' in javascript, which evaluates to false in an if statement. However, the function definition does not convey the information that p2...
Get value when selected ng-option changes
...same problem.
I needed to pass both the id and the name into my model but all the orthodox solutions had me make code on the controller to handle the change.
I macgyvered my way out of it using a filter.
<select
ng-model="selected_id"
ng-options="o.id as o.name for o in opti...
Error message 'Unable to load one or more of the requested types. Retrieve the LoaderExceptions prop
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This error has no true magic bullet answer. The key is to have all the information to understand the problem. Most likely a dynamically loaded assembly is missing a referenced assembly. That assembly needs to be in the bin directory of your application.
Use this code to determine wha...
Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
... I am getting an error. I have recently been doing some .so builds and installed Clang not to long ago, but have successfully compiled since both of those events, so not sure what has changed. I used the GUI Software Manager to remove and then install gcc again, but the results are the same:
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