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Pointers in C: when to use the ampersand and the asterisk?
I'm just starting out with pointers, and I'm slightly confused. I know & means the address of a variable and that * can be used in front of a pointer variable to get the value of the object that is pointed to by the pointer. But things work differently when you're working with arrays, string...
How to open a specific port such as 9090 in Google Compute Engine
I have 2 Google Compute Engine instances and I want to open port 9090 in both the instances. I think we need to add some firewall rules.
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What do the following phrases mean in C++: zero-, default- and value-initialization?
...thing to realize is that 'value-initialization' is new with the C++ 2003 standard - it doesn't exist in the original 1998 standard (I think it might be the only difference that's more than a clarification). See Kirill V. Lyadvinsky's answer for the definitions straight from the standard.
See this ...
Visual Studio popup: “the operation could not be completed”
...rSolutionFolder\.vs\YourSolutionName\v15\.suo
The .vs folder is hidden, and the .suo files is a file without name, with just the .suo extension.
Explanation
The .suo file contain various information like the opened files list, and some preferences that are not saved in the solution file ...
What is the difference between up-casting and down-casting with respect to class variable
What is the difference between up-casting and down-casting with respect to class variable?
10 Answers
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Navigation Drawer (Google+ vs. YouTube)
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Edit #3:
The Navigation Drawer pattern is officially described in the Android documentation!
Check out the following links:
Design docs can be found here.
Developer docs can be found here.
Edit #2:
Roman Nurik (an Android design engineer at Google) has confirmed that the recommended be...
ADB not recognising Nexus 4 under Windows 7
I'm running on Windows 7, and I've updated all the drivers as it says on the Android developer website regarding using hardware devices. However, Eclipse is still not recognising my Nexus 4 when I try to run the application. The Android device chooser pops up, but it doesn't show anything on the h...
What is LDAP used for?
I know that LDAP is used to provide some information and to help facilitate authorization.
16 Answers
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Regular expression to match numbers with or without commas and decimals in text
I'm trying to locate and replace all numbers in a body of text. I've found a few example regex's, which almost solve the problem, but none are perfect yet. The problem I have is that the numbers in my text may or may not have decimals and commas. For example:
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Nullable Foreign Key bad practice?
...hat bad practice or would you rather work with a link table between Orders and Customers? Although the relationship is 1 to n, a link table would make it n to n. On the other hand, with a link table, I don't have those NULLS anymore...
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