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What is a PDB file?
...is necessary for the file and line numbers to be present in the StackTrace string. I included the PDB file in the executable folder and now all is fine.
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Invalid postback or callback argument. Event validation is enabled using '
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The problem is that ASP.NET does not get to know about this extra or removed listitem.
You got an number of options (listed below):
Disable eventvalidation (bad idea, because you lose a little of security that come with very little cost).
Use ASP.NET Ajax UpdatePanel. (Put the listb...
What is the instanceof operator in JavaScript?
...an example taken directly from Mozilla's developer site:
var color1 = new String("green");
color1 instanceof String; // returns true
var color2 = "coral"; //no type specified
color2 instanceof String; // returns false (color2 is not a String object)
One thing worth mentioning is instanceof evalua...
Managing constructors with many parameters in Java
... Consider the following example
public class StudentBuilder
{
private String _name;
private int _age = 14; // this has a default
private String _motto = ""; // most students don't have one
public StudentBuilder() { }
public Student buildStudent()
{
return new ...
How do I use arrays in C++?
...int i = 0; i < n; ++i)
{
delete[] p[i];
}
delete[] p; // note the extra delete[] !
And here is how it looks like in memory:
+---+---+---+---+---+
| | | | | |
+---+---+---+---+---+
^
| +---+---+---+---+
| | | ...
MongoDB with redis
...fit from the flexibility of MongoDB for main persistent data, and from the extra features provided by Redis (low latency, item expiration, queues, pub/sub, atomic blocks, etc ...). It is indeed a good combination.
Please note you should never run a Redis and MongoDB server on the same machine. Mong...
Unable to open project… cannot be opened because the project file cannot be parsed
...h branch and simply removing the merge markers wasn't enough; I had to add extra lines to the project.pbxproj file in order to maintain correct formatting.
So, if you're running into parsing issues after you thought you'd resolved all you're merge conflicts, you might want to take a closer look at ...
Table Header Views in StoryBoards
...heightForHeaderInSection:(NSInteger)section code otherwise I'd end up with extra space above the header view itself. Also, in order for this header to "stick" at the top of the table view, I had to implement viewForHeaderInSection:(NSInteger)section and return this view.
– ozz
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FirstOrDefault: Default value other than null
...ception when I'm working with collections:
public class Foo
{
public string Bar{get; set;}
}
void Main()
{
var list = new List<Foo>();
//before C# 6.0
string barCSharp5 = list.DefaultIfEmpty(new Foo()).FirstOrDefault().Bar;
//C# 6.0 or later
var barCSharp6 = list.Firs...
Can't Find Theme.AppCompat.Light for New Android ActionBar Support
...
You need to do next:
File->Import (android-sdk\extras\android\support\v7). Choose "AppCompat"
Project-> properties->Android. In the section library "Add" and choose "AppCompat"
That is all!
Note: if you are using "android:showAsAction" in menu item, you ...