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Create Windows service from executable
...otation marks around the actual exe path, and a space after the binPath=.
More information on the sc command can be found in Microsoft KB251192.
Note that it will not work for just any executable: the executable must be a Windows Service (i.e. implement ServiceMain). When registering a non-servic...
Understanding recursion [closed]
...Why, yes, recursion can be replaced with iteration, but often recursion is more elegant.
Let's talk about trees. In computer science, a tree is a structure made up of nodes, where each node has some number of children that are also nodes, or null. A binary tree is a tree made of nodes that have exa...
Converting a List to a comma separated string
... it allocates one string per element. Using a StringBuilder would be much more efficient.
– Steven Sudit
Oct 6 '09 at 23:49
3
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Python way of printing: with 'format' or percent form? [duplicate]
... dictionaries correctly. As the new
:ref:string-formatting syntax is more flexible and handles tuples and
dictionaries naturally, it is recommended for new code. However, there
are no current plans to deprecate printf-style formatting.
...
How to retrieve all keys (or values) from a std::map and put them into a vector?
...unctionality away from the call site. Which can make maintenance a little more difficult.
I'm not sure if your goal is to get the keys into a vector or print them to cout so I'm doing both. You may try something like this:
std::map<int, int> m;
std::vector<int> key, value;
for(std::map...
How to get the containing form of an input?
...ut fields is supported by IE 4.0+, Firefox 1.0+, Opera 9.0+, which is even more browsers that jQuery guarantees, so you should stick to this.
If this were a different type of element (not an <input>), you could find the closest parent with closest:
var $form = $(element).closest('form');
ale...
What's the difference between echo, print, and print_r in PHP?
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print and echo are more or less the same; they are both language constructs that display strings. The differences are subtle: print has a return value of 1 so it can be used in expressions whereas echo has a void return type; echo can take mult...
How to compare UIColors?
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Good point Zoul, might be more useful to point to a solution not just the problem though =D
– pfrank
May 2 '14 at 20:29
11
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How do I debug Node.js applications?
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How to check if a column exists in a SQL Server table?
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A more concise version
IF COL_LENGTH('table_name','column_name') IS NULL
BEGIN
/* Column does not exist or caller does not have permission to view the object */
END
The point about permissions on viewing metadata applies to ...