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What is output buffering?
...n pieces as PHP processes the HTML.
All the fancy stuff we can do with PHP strings, we can now do with our whole HTML page as one variable.
If you've ever encountered the message "Warning: Cannot modify header information - headers already sent by (output)" while setting cookies, you'll be happy to ...
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...
Rails: select unique values from a column
..."models"."rating" FROM "models"
This has the advantages of not using sql strings and not instantiating models
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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...
Deprecated Java HttpClient - How hard can it be?
...
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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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?
...
Find and replace - Add carriage return OR Newline
In the case of following string to be parsed.
5 Answers
5
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How to remove from a map while iterating it?
...r this pattern which is slightly clearer and simpler, at the expense of an extra variable:
for (auto it = m.cbegin(), next_it = it; it != m.cend(); it = next_it)
{
++next_it;
if (must_delete)
{
m.erase(it);
}
}
Advantages of this approach:
the for loop incrementor makes sense as an ...
How to limit the maximum value of a numeric field in a Django model?
...
Here is the best solution if you want some extra flexibility and don't want to change your model field. Just add this custom validator:
#Imports
from django.core.exceptions import ValidationError
class validate_range_or_null(object):
compare = lambda self,...