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How to get a property value based on the name
... .Single(pi => pi.Name == propertyName)
.GetValue(car, null);
}
And then:
string makeValue = (string)car.GetPropertyValue("Make");
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Copy files from one directory into an existing directory
...irectory, not the directory itself. This method also includes hidden files and folders.
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Add disabled attribute to input element using Javascript
I have an input box and I want it to be disabled and at the same time hide it to avoid problems when porting my form.
7 Ans...
insert a NOT NULL column to an existing table
...Null-able column, then update your table column with valid not null values and finally ALTER column to set NOT NULL constraint:
ALTER TABLE MY_TABLE ADD STAGE INT NULL
GO
UPDATE MY_TABLE SET <a valid not null values for your column>
GO
ALTER TABLE MY_TABLE ALTER COLUMN STAGE INT NOT NULL
GO
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dyld: Library not loaded … Reason: Image not found
...libSystem.B.dylib (compatibility version 1.0.0, current version 169.3.0)
and for each libboost_xxx.dylib, do:
$ install_name_tool -change @executable_path/libboost_something.dylib /opt/local/lib/libboost_something.dylib exefile
and finally verify using otool again:
$ otool -L exefile
exefile:
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System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()
In Java, what are the performance and resource implications of using
8 Answers
8
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How to Apply global font to whole HTML document
I have a HTML page which includes some text and formatting. I want to make it have the same font-family and the same text-size ignoring all inner formatting of text.
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How do I change the background color with JavaScript?
...it as if it was initiated by the server, you would have to poll the server and then change the color accordingly.
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How to determine if a number is odd in JavaScript
...is will return 0 or 1 (or NaN if you feed it something that isn't a number and can't be coerced into one), which will work fine for most situations. But if you want a real true or false: return (num % 2) == 1;
– T.J. Crowder
Feb 16 '11 at 12:20
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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
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I think this is very nice and short
<img src="imagenotfound.gif" alt="Image not found" onerror="this.src='imagefound.gif';" />
But, be careful. The user's browser will be stuck in an endless loop if the onerror image itself generates an error...