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Best way to reverse a string

...or (int i = 0; i < length; i++) { sb.Append(Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65)))); } return sb.ToString(); } static void Main(string[] args) { int[] lengths = new int[] ...
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How to remove a column from an existing table?

...he real challenge is finding all foreign keys. You can do this by querying system tables or using third party tools such as ApexSQL Search (free) or Red Gate Dependency tracker (premium but more features). There a whole thread on foreign keys here ...
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How to get ASCII value of string in C#

... From MSDN string value = "9quali52ty3"; // Convert the string into a byte[]. byte[] asciiBytes = Encoding.ASCII.GetBytes(value); You now have an array of the ASCII value of the bytes. I got the following: 57 113 117 97 108 105 53 50 116 121 51 ...
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How do I sort strings alphabetically while accounting for value when a string is numeric?

... if (IsNumeric1 && IsNumeric2) { var i1 = Convert.ToInt32(s1); var i2 = Convert.ToInt32(s2); if (i1 > i2) { return S1GreaterThanS2; } if (i1 < i2) { return...
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how to convert an RGB image to numpy array?

I have an RGB image. I want to convert it to numpy array. I did the following 12 Answers ...
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Is there an easy way to check the .NET Framework version?

... 'v3.5' which needs to be trimmed off before conversion double Framework = Convert.ToDouble(version_names[version_names.Length - 1].Remove(0, 1), CultureInfo.InvariantCulture); int SP = Convert.ToInt32(installed_versions.OpenSubKey(version_names[version_names.Length - 1]).GetValue("SP", 0)); For ....
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Android: android.content.res.Resources$NotFoundException: String resource ID #0x5

...he error in setText() method Solution is simple put your Integer value by converting into string type as textview.setText(Integer.toString(integer_value)); share | improve this answer |...
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How can I unit test Arduino code?

...ctical testing on your ultimate target hardware. I am trying to make a point about optimizing your development feedback cycle by eliminating your target hardware from your most mundane and frequent tests. The units under test are assumed to be much smaller than the whole project. The purpo...
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What is an existential type?

...r bottoms. Since an existential is a pair, an existential argument can be converted to a universal one via currying. (∃b. F(b)) -> Int is the same as: ∀b. (F(b) -> Int) The former is a rank-2 existential. This leads to the following useful property: Every existentially quantifie...
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What is the preferred/idiomatic way to insert into a map?

...l require an additional call to std::pair template constructor in order to convert to value_type (ie : adding const to first_type) std::pair<int, int> will also require an additional call to the template constructor of std::pair in order to convert the parameter to value_type (ie : adding cons...