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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];...
Determine if an element has a CSS class with jQuery
...g representing the class you are checking, and it returns a boolean (so it doesn't support chaining like most jQuery methods).
Note: If you pass a className argument that contains whitespace, it will be matched literally against the collection's elements' className string. So if, for instance, you ...
git recover deleted file where no commit was made after the delete
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The output tells you what you need to do. git reset HEAD cc.properties etc.
This will unstage the rm operation. After that, running a git status again will tell you that you need to do a git checkout -- cc.properties to get the file back.
Update:
I have this ...
How stable is the git plugin for eclipse?
... both with itself and with the canonical C based implementation, but that doesn't mean it won't generate a corrupt object." (from the README)
– jcollum
Jan 18 '13 at 0:38
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How do I disable form resizing for users? [duplicate]
How do I disable form resizing for users? Which property is used?
7 Answers
7
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How do you run CMD.exe under the Local System Account?
...g Vista and I would like to manually complete the same operations as my Windows Service. Since the Windows Service is running under the Local System Account, I would like to emulate this same behavior. Basically, I would like to run CMD.EXE under the Local System Account.
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Measure and Benchmark Time for Ruby Methods
...n by the method and the time taken for database access and redis access. I do not want to write Benchmark.measure before every statement. Does the ruby interpreter gives us any hooks for doing this ?
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What are the differences between WCF and ASMX web services?
...e. Check it out.
Another comparison of ASMX and WCF can be found here - I don't 100% agree with all the points there, but it might give you an idea.
WCF is basically "ASMX on stereoids" - it can be all that ASMX could - plus a lot more!.
ASMX is:
easy and simple to write and configure
only avai...
How do I show the schema of a table in a MySQL database?
...in for table description.
explain [db_name.]table_name;
See official doc
Will give output like:
+----------+-------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+----------+-------------+------+-----+---------+-------+
| id | int(10) ...
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...