大约有 47,000 项符合查询结果(耗时:0.0782秒) [XML]

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What is time_t ultimately a typedef to?

... to migrate your code. Your data will be fine if you store your data as a string, even if it's something simple like: FILE *stream = [stream file pointer that you've opened correctly]; fprintf (stream, "%d\n", (int)time_t); Then just read it back the same way (fread, fscanf, etc. into an int), a...
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Identify if a string is a number

If I have these strings: 25 Answers 25 ...
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Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health

...ass BasicAuthenticationBehavior : IEndpointBehavior { private readonly string _username; private readonly string _password; public BasicAuthenticationBehavior(string username, string password) { this._username = username; this._password = password; } public v...
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Is this object-lifetime-extending-closure a C# compiler bug?

...hod Foo::InstanceMethod Example 2: class Program { static void Main(string[] args) { } class Foo { private Action _field; public void InstanceMethod() { var capturedVariable = Math.Pow(42, 1); _field = () => Foo2.StaticMet...
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Should arrays be used in C++?

..." }, // ... }; This is often preferable to using a vector (and std::string), since it avoids all order of initialization issues; the data is pre-loaded, before any actual code can be executed. Finally, related to the above, the compiler can calculate the actual size of the array from the init...
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What does Ruby have that Python doesn't, and vice versa?

...e up with one here just to explain what I mean. Reverse the words in this string: sentence = "backwards is sentence This" When you think about how you would do it, you'd do the following: Split the sentence up into words Reverse the words Re-join the words back into a string In Ruby, you'd ...
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What's the best way to parse command line arguments? [closed]

...-query', action="store", dest="query", help="query string", default="spam") It pretty much speaks for itself; at processing time, it will accept -q or --query as options, store the argument in an attribute called query and has a default value if you don't specify it. It is...
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C#: Assign same value to multiple variables in single statement

... console everytime the get and set accessor are invoked. static void Main(string[] args) { var accessorSource = new AccessorTest(5); var accessor1 = new AccessorTest(); var accessor2 = new AccessorTest(); accessor1.Value = accessor2.Value = accessorSource.Value; Console.ReadLi...
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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space

...ence between the regex patterns on different browsers with different sized strings. So basically i used jsPerf on Testing in Chrome 65.0.3325 / Windows 10 0.0.0 Testing in Edge 16.16299.0 / Windows 10 0.0.0 The regex patterns i tested were /[\W_]+/g /[^a-z0-9]+/gi /[^a-zA-Z0-9]+/g I load...
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Create a CSV File for a user in PHP

...code I use to optionally encode CSV fields: function maybeEncodeCSVField($string) { if(strpos($string, ',') !== false || strpos($string, '"') !== false || strpos($string, "\n") !== false) { $string = '"' . str_replace('"', '""', $string) . '"'; } return $string; } ...