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Add text to Existing PDF using Python
...ly .mergePage(*text*.getPage(0)) for each page you want the text added to, then use output.addPage() to add the modified pages to a new document
This works well for simple text additions. See PyPDF's sample for watermarking a document.
Here is some code to answer the question below:
packet = St...
How to get ALL child controls of a Windows Forms form of a specific type (Button/Textbox)?
...'s another option for you. I tested it by creating a sample application, I then put a GroupBox and a GroupBox inside the initial GroupBox. Inside the nested GroupBox I put 3 TextBox controls and a button. This is the code I used (even includes the recursion you were looking for)
public IEnumerable&...
Sql Server string to date conversion
...
no worries, here: techonthenet.com/oracle/functions/to_date.php Obviously it has to be a consistent format that you the developer specify, but vastly more flexible than the handful of format masks MS gives you, which results in painful custom parsin...
Why are all fields in an interface implicitly static and final?
...plementations can change value of fields if they are not defined as final. Then they would become a part of the implementation. An interface is a pure specification without any implementation.
Reason for being static
If they are static, then they belong to the interface, and not the object, nor th...
Pickle or json?
... dict object whose keys are of the type str and values are int s and then recover it . Something like this:
7 Answers...
Difference between addSubview and insertSubview in UIView class
...
1.addSubview add subview in array then add in View'slayer
- (void)addSubview:(UIView *)subview
{
[_subviews addObject:subview];
[_layer addSublayer:subview.layer];
}
}
2.While insertSubview add your view as subview then call
[_layer insertSublaye...
Compare two objects' properties to find differences?
...
The fastest way I've found is to convert the sets to dictionaries first, then diff 'em. Here's a generic approach:
static IEnumerable<T> DictionaryDiff<K, T>(Dictionary<K, T> d1, Dictionary<K, T> d2)
{
return from x in d1 where !d2.ContainsKey(x.Key) select x.Value;
...
How do I have an enum bound combobox with custom string formatting for enum values?
... public NicenessComboBoxItem(HowNice howNice) { Value = howNice; }
}
And then just add instances of this class to your combo box's Items collection and set these properties:
comboBox.ValueMember = "Value";
comboBox.DisplayMember = "Description";
...
How to merge two arrays in JavaScript and de-duplicate items
...a[j])
a.splice(j--, 1);
}
}
return a;
};
Then, to use it:
var array1 = ["Vijendra","Singh"];
var array2 = ["Singh", "Shakya"];
// Merges both arrays and gets unique items
var array3 = array1.concat(array2).unique();
This will also preserve the order of the arrays ...
MySQL: Insert record if not exists in table
... can do: create a UNIQUE INDEX on the field which should be unique (name), then use either:
normal INSERT (and handle the error if the name already exists)
INSERT IGNORE (which will fail silently cause a warning (instead of error) if name already exists)
INSERT ... ON DUPLICATE KEY UPDATE (which w...