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How to replace an entire line in a text file by line number
... Useless for the interpreter/compiler maybe, but not for a human reading it. @Kyle's code reads nicely left to right; the idiom you used IMO does not, due to the fact that the verb is before the noun.
– Clayton Stanley
Jun 23 '12 at 1:43
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
...r using the "goto" statement that I'm aware of (some have spoken to this already):
Cleanly exiting a function
Often in a function, you may allocate resources and need to exit in multiple places. Programmers can simplify their code by putting the resource cleanup code at the end of the function, a...
Nodejs Event Loop
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I have been personally reading the source code of node.js & v8.
I went into a similar problem like you when I tried to understand node.js architecture in order to write native modules.
What I am posting here is my understanding of node.js and...
What is a difference between
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So if I read it right, "<? extends E>" requires that "?" is a subclass of "E", and "<? super E>" requires that "E" is a subclass of "?", right?
– El Suscriptor Justiciero
Jun 26 '18 ...
In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
In a Django form, how do I make a field read-only (or disabled)?
26 Answers
26
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How to access class constants in Twig?
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As of 1.12.1 you can read constants from object instances as well:
{% if var == constant('TYPE_PERSON', entity)
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file_put_contents - failed to open stream: Permission denied
...e to create a separate directory for files whose content must be changed.
Reading permissions (4) for a directory means being able to collect all files and directories with their metadata within a directory. Write permissions (2) gives the permission to change the content of the directory. Implying...
How to fix java.net.SocketException: Broken pipe?
...aused by:
most usually, writing to a connection when the other end has already closed it;
less usually, the peer closing the connection without reading all the data that is already pending at his end.
So in both cases you have a poorly defined or implemented application protocol.
There is a thi...
Convert HttpPostedFileBase to byte[]
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As Darin says, you can read from the input stream - but I'd avoid relying on all the data being available in a single go. If you're using .NET 4 this is simple:
MemoryStream target = new MemoryStream();
model.File.InputStream.CopyTo(target);
byte[...
JavaScript REST client Library [closed]
...21,b:42});
// POST /api/rest/foo/ (with data a=21 and b=42)
client.foo.read();
// GET /api/rest/foo/
client.foo.read("42");
// GET /api/rest/foo/42/
client.foo.update("42");
// PUT /api/rest/foo/42/
client.foo.delete("42");
// DELETE /api/rest/foo/42/
//RESULTS USE '$.Deferred'
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