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Check if a path represents a file or a folder
I need a valid method to check if a String represents a path for file or a directory. What are valid directory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder?
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What is the use of having destructor as private?
...you don't want to delete main class through the pointer to class that adds extra functionality to the main.
In the example below I don't want GuiWindow to be deleted through a HandlerHolder pointer.
class Handler
{
public:
virtual void onClose() = 0;
protected:
virtual ~Handler();
};
clas...
Deprecated Java HttpClient - How hard can it be?
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Try jcabi-http, which is a fluent Java HTTP client, for example:
String html = new JdkRequest("https://www.google.com")
.header(HttpHeaders.ACCEPT, MediaType.TEXT_HTML)
.fetch()
.as(HttpResponse.class)
.assertStatus(HttpURLConnection.HTTP_OK)
.body();
Check also this blog post:...
Splitting a string into chunks of a certain size
Suppose I had a string:
36 Answers
36
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“static const” vs “#define” vs “enum”
...ironment for space to a concern. That said, neither enum nor #define uses extra space, per se. The value will appear in the object code as part of the instructions rather than being allocated storage in the data segment or in heap or on the stack. You'll have some space allocated for the static c...
Find and replace - Add carriage return OR Newline
In the case of following string to be parsed.
5 Answers
5
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Are there legitimate uses for JavaScript's “with” statement?
... to use with instead. The real problem is that even with a with as a let, extra care still has to be taken because of inherited properties of an object on the prototype chain. For example, var toString = function () { return "Hello"; }; with ({"test":1}) { console.log(toString()); };. In the scop...
Simulating group_concat MySQL function in Microsoft SQL Server 2005?
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SQL Server 2017 does introduce a new aggregate function
STRING_AGG ( expression, separator).
Concatenates the values of string expressions and places separator
values between them. The separator is not added at the end of string.
The concatenated elements can be ordered by...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
...n the .NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
14 Answers
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How to handle multiple heterogeneous inputs with Logstash?
...? And then again, in the if statememt, if the tags were an array or single string, then both IF's would work. So logically this is incorrect, but maybe logstash has a different logic inside if's
– meso_2600
Oct 28 '18 at 18:06
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