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Check for column name in a SqlDataReader object
...false positives to the profiler of # exceptions thrown and god help anyone setting their debugger to break on exceptions thrown.
GetSchemaTable() is also another suggestion in many answers. This would not be a preffered way of checking for a field's existance as it is not implemented in all version...
CSS: How to position two elements on top of each other, without specifying a height?
...
I had to set
Container_height = Element1_height = Element2_height
.Container {
position: relative;
}
.ElementOne, .Container ,.ElementTwo{
width: 283px;
height: 71px;
}
.ElementOne {
position:absolute;
}
.Element...
UIStatusBarStyle PreferredStatusBarStyle does not work on iOS 7
In my iPhone application built with Xcode 5 for iOS 7 I set UIViewControllerBasedStatusBarAppearance=YES in info.plist , and in my ViewController I have this code:
...
Why does Javascript's regex.exec() not always return the same value? [duplicate]
...the end of the last match.
When no more matches are found, the index is reset to 0 automatically.
To reset it manually, set the lastIndex property.
reg.lastIndex = 0;
This can be a very useful feature. You can start the evaluation at any point in the string if desired, or if in a loop, you ...
No “pull” in Git Gui?
...emote location from where you want to pull the changes, and also origin is set as the name in git gui from Remote > Add > in remote details name was written as origin, else make necessary changes as require for <remote> name
– John
Jul 8 '19 at 6:37...
swift case falling through
...I realized that commenting out the case makes it part of the default cases set, so: /*case "two",*/ default: has the effect I'm looking for.
– Zack Morris
Feb 5 '16 at 19:48
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How can I check if an argument is defined when starting/calling a batch file?
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The check for whether a commandline argument has been set can be [%1]==[], but, as Dave Costa points out, "%1"=="" will also work.
I also fixed a syntax error in the usage echo to escape the greater-than and less-than signs. In addition, the exit needs a /B argument otherwise C...
How to make an introduction page with Doxygen
...AINPAGE. So make sure to add your index file, e.g. README.md, to INPUT and set it as this option's value:
INPUT += README.md
USE_MDFILE_AS_MAINPAGE = README.md
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What is C# analog of C++ std::pair?
...st = first;
this.Second = second;
}
public T First { get; set; }
public U Second { get; set; }
};
And use it like this:
Pair<String, int> pair = new Pair<String, int>("test", 2);
Console.WriteLine(pair.First);
Console.WriteLine(pair.Second);
This outputs:
test
...
Python 3.x rounding behavior
...t rounding and the rint() family of functions still obey the rounding mode setting, which defaults to round ties to even.
– Wlerin
Nov 22 '15 at 21:41
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