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Erasing elements from a vector
...ent multiple times and I need to clear all of them. My code is something like this:
5 Answers
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Check if an element is present in an array [duplicate]
The function I am using now to check this is the following:
9 Answers
9
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How to create a DataTable in C# and how to add rows?
...= new DataTable();
dt.Clear();
dt.Columns.Add("Name");
dt.Columns.Add("Marks");
DataRow _ravi = dt.NewRow();
_ravi["Name"] = "ravi";
_ravi["Marks"] = "500";
dt.Rows.Add(_ravi);
To see the structure, or rather I'd rephrase it as schema, you can export it to an XML file by doing the following.
To ...
Fastest way to check if a file exist using standard C++/C++11/C?
I would like to find the fastest way to check if a file exist in standard C++11, C++, or C. I have thousands of files and before doing something on them I need to check if all of them exist. What can I write instead of /* SOMETHING */ in the following function?
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UILabel with text of two different colors
I want to display a string like this in a UILabel :
20 Answers
20
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In Ruby how do I generate a long string of repeated text?
What is the best way to generate a long string quickly in ruby? This works, but is very slow:
2 Answers
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Test if remote TCP port is open from a shell script
I'm looking for a quick and simple method for properly testing if a given TCP port is open on a remote server, from inside a Shell script.
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How do I use boolean variables in Perl?
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Alan Haggai AlaviAlan Haggai Alavi
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Why does Git tell me “No such remote 'origin'” when I try to push to origin?
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Two problems:
1 - You never told Git to start tracking any file
You write that you ran
git init
git commit -m "first commit"
and that, at that stage, you got
nothing added to commit but untracked files present (use "git add" to track).
Git is telling you that you neve...
Is it safe to assume a GUID will always be unique?
I know there is a minute possibility of a clash but if I generated a batch of 1000 GUIDs (for example), would it be safe to assume they're all unique to save testing each one?
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