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Ways to iterate over a list in Java
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The three forms of looping are nearly identical. The enhanced for loop:
for (E element : list) {
. . .
}
is, according to the Java Language Specification, identical in effect to the explicit use of an iterator with a traditional...
How to colorize diff on the command line?
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Indeed. In Zsh, a command of the form =(...) is replaced with the name of a file containing its output.
– Johnsyweb
May 5 '15 at 23:07
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How can I upload files asynchronously?
...ugins and after some research I came up with the solution.
The HTML:
<form enctype="multipart/form-data">
<input name="file" type="file" />
<input type="button" value="Upload" />
</form>
<progress></progress>
First, you can do some validation if you wa...
How to change row color in datagridview?
...n't have to traverse every row, only those that get painted (so it will perform much better on large amount of data:
Attach to the event
this.dataGridView1.RowPrePaint
+= new System.Windows.Forms.DataGridViewRowPrePaintEventHandler(
this.dataGridView1_RowPrePaint);
The event code
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String representation of an Enum
...ivate readonly int value;
public static readonly AuthenticationMethod FORMS = new AuthenticationMethod (1, "FORMS");
public static readonly AuthenticationMethod WINDOWSAUTHENTICATION = new AuthenticationMethod (2, "WINDOWS");
public static readonly AuthenticationMethod SINGLESIGNON = ne...
How to get form field's id in Django?
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This doesn't work for every form field.
For instance {{ form.address.auto_id }} works while {{ form.address.auto_name }} will not.
However you can use {{ form.address.html_name }} to get the equivalent answer.
Here are the docs
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How to write “Html.BeginForm” in Razor
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The following code works fine:
@using (Html.BeginForm("Upload", "Upload", FormMethod.Post,
new { enctype = "multipart/form-data" }))
{
@Html.ValidationSummary(true)
<fieldset>
Select a file <input type="file" n...
How to define object in array in Mongoose schema correctly with 2d geo index
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@DpGeek if you are declaring array in that format you can not update the array field directly. To update the array directly I used {lat : String,lng : String} subschema. If you do not want that facility then trk : { type : Array , "default" : [] } will be the best oth...
is not JSON serializable
...t_queryset() and replace them with dicts using model_to_dict:
from django.forms.models import model_to_dict
data = self.get_queryset()
for item in data:
item['product'] = model_to_dict(item['product'])
return HttpResponse(json.simplejson.dumps(data), mimetype="application/json")
Hope that h...
The bare minimum needed to write a MSMQ sample application
... of the queue to the console, in the body of the output loop, add "message.Formatter = new XmlMessageFormatter(new String[] { "System.String,mscorlib" });Console.Write(message.Body.ToString());". As MSMQ passes things around as serialized objects, you have to tell it how to deserialize the objects i...