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Scala: write string to file in one statement
...or encoding-safe. If an exception happens in write(), close will never be called, and the file won't be closed. PrintWriter also uses the default system encoding, which is very bad for portability. And finally, this approach generates a separate class specifically for this line (however, given that ...
What is compiler, linker, loader?
...'space', 'tab' and 'new line'.
Therefore this unit of compilation is also called "TOKENIZER". It also removes
the comments, generates symbol table and relocation table entries.
2) Syntactic Analyzer:
This unit check for the syntax in the code. For ex:
{
int a;
int b;
int c;
int d...
How to find all tables that have foreign keys that reference particular table.column and have values
...
This solution will not only display all relations but also the constraint name, which is required in some cases (e.g. drop constraint):
SELECT
CONCAT(table_name, '.', column_name) AS 'foreign key',
CONCAT(referenced_table_name, '.', referenced_column_n...
What’s the best RESTful method to return total number of items in an object?
...ly the most RESTful thing to do if fetch limits are going to be imposed at all.
– Donal Fellows
Sep 15 '10 at 9:06
2
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Curl GET request with json parameter
...
It should really be either 'server:5050/a/c/getName{"param0":"pradeep"}' or "server:5050/a/c/getName{\"param0\":\"pradeep\"}".
– Benjamin W.
May 23 '18 at 14:56
...
Is it safe to delete a NULL pointer?
...ter delete. Setting a pointer to NULL after deleting it masquerades memory allocation errors, which is a very bad thing. A program that is correct does not delete a pointer twice, and a program that does delete a pointer twice should crash.
– Damon
Aug 30 '13 a...
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...he CPU would have to wait on. The register renaming mechanism would essentially be defeated if it wasn't done that way.
This way you can write fast code using 32-bit values in 64-bit mode without having to explicitly break dependencies all the time. Without this behaviour, every single 32-bit instr...
Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
...> < -->
&e link </a>
</body>
Not to mention all the browser-specific parsing for invalid constructs.
Good luck pitting regex against that!
EDIT (Jörg W Mittag): Here is another nice piece of well-formed, valid HTML 4.01:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4...
Converting integer to string in Python
... string is done with the builtin str() function, which basically calls the __str__() method of its parameter.
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Is there a difference between copy initialization and direct initialization?
... expression is initialized to (loosely speaking) in C++17. These objects (called "result objects") are the variables created by a declaration (like a1), artificial objects created when the initialization ends up being discarded, or if an object is needed for reference binding (like, in A_factory_fun...