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Query an XDocument for elements by name at any depth
...ement> mails = ((IEnumerable)doc.XPathEvaluate("/emails/emailAddress")).Cast<XElement>();
Note that
var res = doc.XPathEvaluate("/emails/emailAddress");
results either a null pointer, or no results.
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Why do we need the “finally” clause in Python?
...) but it's not a TypeError.
Other control flow statements such as continue and break statements.
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Adding a guideline to the editor in Visual Studio
...line shows up in the Output window too. (Visual Studio 2010 corrects this, and the line only shows up in the code editor window.)
You can also have the guide in multiple columns by listing more than one number after the color specifier:
RGB(230,230,230), 4, 80
Puts a white line at column 4 and c...
Open URL under cursor in Vim with browser
...rom tpope's tweet today
Press gx. You can customize the browser. On Gnome and Mac OS X it's already use gnome-open/open. Generally you can set g:netrw_browsex_viewer to anything you want.
Original answer:
Don't remember where I get this function. There is a bug with hash (#) in the url, but the...
Capturing mobile phone traffic on Wireshark
...
Here are some suggestions:
For Android phones, any network: Root your phone, then install tcpdump on it. This app is a tcpdump wrapper that will install tcpdump and enable you to start captures using a GUI. Tip: You will need to make sure you supply the ri...
How can I inject a property value into a Spring Bean which was configured using annotations?
... </property>
</bean>
When retrieved, this bean can be cast to a java.util.Properties which will contain a property named results.max whose value is read from app.properties. Again, this bean can be dependency injected (as an instance of java.util.Properties) into any class via t...
Are there strongly-typed collections in Objective-C?
... philosophy - for example if you pull the first item out of an NSArray and cast it to an NSNumber but that item was really an NSString, you are screwed...
– jjxtra
Jan 19 '12 at 20:27
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Why isn't the size of an array parameter the same as within main?
...eturns an object of type size_t, so you should print it with %zu (C99), or cast it to int if you use %d like above in your printf calls.
– Alok Singhal
Dec 29 '09 at 15:41
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How to convert enum value to int?
... White,
Green,
Blue,
Purple,
Orange,
Red
}
then:
//cast enum to int
int color = Color.Blue.ordinal();
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What is the best way to test for an empty string in Go?
...t that little extra bit of work. HOWEVER, one thing we used to do in C was cast the left side to a const or put the static string on the left side of the operator to prevent s=="" from becoming s="" which in the C syntax is acceptable... and probably golang too. (see the extended if)
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