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How do I rename the android package name? [duplicate]
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You can do this:
Change the package name manually in the manifest file.
Click on your R.java class and the press F6 (Refactor->Move...). It will allow you to move the class to another package, and all references to that class wi...
How to hide command output in Bash
I want to make my Bash scripts more elegant for the end user. How do I hide the output when Bash is executing commands?
7 A...
How do I find the length of an array?
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If you mean a C-style array, then you can do something like:
int a[7];
std::cout << "Length of array = " << (sizeof(a)/sizeof(*a)) << std::endl;
This doesn't work on pointers (i.e. it won't work for either of the following):
int *p = new int[7];...
One SVN repository or many?
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The single vs. multiple issue comes down to personal or organizational preference.
Management of multiple vs. single mainly comes down to access control and maintenance.
Access control for a single repository can be contained in a single file; Multiple repos...
How do I create a unique constraint that also allows nulls?
...te with GUIDs. However, my data contains null values for this columns. How do I create the constraint that allows multiple null values?
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What's the difference between window.location= and window.location.replace()?
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window.location adds an item to your history in that you can (or should be able to) click "Back" and go back to the current page.
window.location.replace replaces the current history item so you can't go back to it.
See window...
IEnumerable vs List - What to Use? How do they work?
I have some doubts over how Enumerators work, and LINQ. Consider these two simple selects:
10 Answers
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How long should SQL email fields be? [duplicate]
...to be arbitrary. However, I was wondering what the "standard" is? How long do you guys make it? (same question for Name field...)
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How do I restrict a float value to only two places after the decimal point in C?
...ing works:
#include <math.h>
float val = 37.777779;
float rounded_down = floorf(val * 100) / 100; /* Result: 37.77 */
float nearest = roundf(val * 100) / 100; /* Result: 37.78 */
float rounded_up = ceilf(val * 100) / 100; /* Result: 37.78 */
Notice that there are three different r...
How to use if - else structure in a batch file?
...ut I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you.
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