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jQuery form serialize - empty string
...
You have to give the input element a name. E.g.:
<form id="form1" action="/Home/Test1" method="post" name="down">
<div id="div2">
<input id="input1" type="text" value="2" name="foo"/>
</div>
</form>
will give you in the alert box f...
How to take backup of a single table in a MySQL database?
...You can use easily to dump selected tables using MYSQLWorkbench tool ,individually or group of tables at one dump then import it as follow: also u can add host information if u are running it in your local by adding -h IP.ADDRESS.NUMBER after-u username
mysql -u root -p databasename < dumpfileFO...
How to center the content inside a linear layout?
I'm trying to center an ImageView inside a LinearLayout horizontally and vertically, but I just can't do it.
The main reason why I'm not using a RelativeLayout for that is because I need the layout_weight (my Activity consists of four columns that should be equally divided, and also respon...
Is there a MySQL option/feature to track history of changes to records?
...he business requirement is "I want to audit the changes to the data - who did what and when?", you can usually use audit tables (as per the trigger example Keethanjan posted). I'm not a huge fan of triggers, but it has the great benefit of being relatively painless to implement - your existing code ...
Posting a File and Associated Data to a RESTful WebService preferably as JSON
This is probably going to be a stupid question but I'm having one of those nights. In an application I am developing RESTful API and we want the client to send data as JSON. Part of this application requires the client to upload a file (usually an image) as well as information about the image.
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A circular reference was detected while serializing an object of type 'SubSonic.Schema .DatabaseColu
... new {
Result = (from obj in db.Things select new {Id = obj.Id, Name = obj.Name})
}
, JsonRequestBehavior.AllowGet
);
}
It could also be the following in case you don't want the objects inside a Result property:
public JsonResult getJso...
How to delete a record in Django models?
...re are a couple of ways:
To delete it directly:
SomeModel.objects.filter(id=id).delete()
To delete it from an instance:
instance = SomeModel.objects.get(id=id)
instance.delete()
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When a 'blur' event occurs, how can I find out which element focus went *to*?
...ev.explicitOriginalTarget||document.activeElement;
document.getElementById("focused").value =
target ? target.id||target.tagName||target : '';
}
...
<button id="btn1" onblur="showBlur(event)">Button 1</button>
<button id="btn2" onblur="showBlur(event)">Button 2</butt...
How can I use Spring Security without sessions?
...y 3 with Java Config, you can use HttpSecurity.sessionManagement():
@Override
protected void configure(final HttpSecurity http) throws Exception {
http
.sessionManagement()
.sessionCreationPolicy(SessionCreationPolicy.STATELESS);
}
...
Checkbox for nullable boolean
...ticking
@model bool?
@Html.CheckBox("", Model.GetValueOrDefault())
inside.
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