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ASP.NET web.config: configSource vs. file attributes
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Using the Configuration.AppSettings.Settings.Add API will result in all settings being merged back into the main .config on a Configuration.Save call.
since .NET 1.1
Exception is not thrown if file does not exist.
configSource attribute
can apply to most sections of a configuration file, ...
How to get child element by class name?
...amesPoulose, it wouldn't. Consider having an element set to two classes: small and bigger. thatElement.className would return a String that equals "small bigger". If you're looking for a class called big saying myElement.className.indexOf("big") will produce something unequal to negative 1 despite t...
Equivalent of “throw” in R
...them. If the columns don't exist, I want the function to stop and to stop all functions depending on it.
5 Answers
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Difference between setUp() and setUpBeforeClass()
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So let's assume you had three tests in your class, the order of method calls would be:
setUpBeforeClass()
(Test class first instance constructed and the following methods called on it)
setUp()
test1()
tearDown()
(Test class second instance constructed and the following methods ...
In PHP, what is a closure and why does it use the “use” identifier?
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This is how PHP expresses a closure. This is not evil at all and in fact it is quite powerful and useful.
Basically what this means is that you are allowing the anonymous function to "capture" local variables (in this case, $tax and a reference to $total) outside of it scope and...
Creating a BLOB from a Base64 string in JavaScript
...performance can be improved a little by processing the byteCharacters in smaller slices, rather than all at once. In my rough testing 512 bytes seems to be a good slice size. This gives us the following function.
const b64toBlob = (b64Data, contentType='', sliceSize=512) => {
const byteCharact...
MySQL InnoDB not releasing disk space after deleting data rows from table
... 2M data rows. When I deleted data rows from the table, it did not release allocated disk space. Nor did the size of the ibdata1 file reduce after running the optimize table command.
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Comparing arrays in JUnit assertions, concise built-in way?
...dResult, result );
If this method is not available, you may have accidentally imported the Assert class from junit.framework.
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How to remove focus without setting focus to another control?
I like my UIs to be intuitive; each screen should naturally and unobtrusively guide the user on to the next step in the app. Barring that, I strive to make things as confusing and confounding as possible.
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Is XSLT worth it? [closed]
...is can lead to "unfortunate moments" when novices design code, then frantically search the web for hints how to implement functions they assumed would just be there and didn't give themselves time to write.
Functional language.
One way to get procedural behaviour, by the way, is to chain multiple ...