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How do I bind a WPF DataGrid to a variable number of columns?
...ableColumnsPropertyChanged: 1. Check dataGrid for null before accessing it and throw an exception with good explanation about binding only to DataGrid. 2. Check e.OldValue for null and unsubscribe from CollectionChanged event to prevent memory leaks. Just for your convince.
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In Java, what is the best way to determine the size of an object?
...f data, but I want to make sure that I don't read in too many rows of data and cause OutOfMemoryError s. Each row translates into an object. Is there an easy way to find out the size of that object programmatically? Is there a reference that defines how large primitive types and object reference...
possibly undefined macro: AC_MSG_ERROR
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I had this same issue and found that pkg-config package was missing.
After installing the package, everything generated correctly.
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What is the use of having destructor as private?
...en "friend"ed) responsible for counting the number of references to itself and delete it when the number hits zero. A private dtor would prevent anybody else from deleting it when there were still references to it.
For another instance, what if you have an object that has a manager (or itself) tha...
target input by type and name (selector)
...cument.getElementsByClassName method which will be used to select elements and be much faster than selecting by the name attribute
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Git On Custom SSH Port
...'t do the same when doing a git clone. I am using gitolite so I clone commands look like:
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Is it possible to group projects in Eclipse?
...rs working sets. You can reduce the projects shown in the Package Explorer and other places to whichever projects you defined into the working set. You can also show the union of various sets, and similar gymnastics.
You can define/edit/delete working sets from the little triangle dropdown menu on ...
Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
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- @panidarapu and @Don Jones: Depending on the amount of memory, and how this script is used, it could be dangerous to allow the change in memory usage in this way. Don, in your case, you can likely break the feed down into smaller chunks ...
Getting the current Fragment instance in the viewpager
...dText:
Fragment page = getSupportFragmentManager().findFragmentByTag("android:switcher:" + R.id.pager + ":" + ViewPager.getCurrentItem());
// based on the current position you can then cast the page to the correct
// class and call the method:
if (ViewPager.getCurrentItem() == 0...
How can I convert a string to a number in Perl?
I have a string which holds a decimal value in it and I need to convert that string into a floating point variable. So an example of the string I have is "5.45" and I want a floating point equivalent so I can add .1 to it. I have searched around the internet, but I only see how to convert a string t...