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How to prevent XSS with HTML/PHP?
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Basically you need to use the function htmlspecialchars() whenever you want to output something to the browser that came from the user input.
The correct way to use this function is something like this:
echo htmlspecialchars($st...
Java 8 Distinct by property
...ey(Person::getName))
Note that if the stream is ordered and is run in parallel, this will preserve an arbitrary element from among the duplicates, instead of the first one, as distinct() does.
(This is essentially the same as my answer to this question: Java Lambda Stream Distinct() on arbitrary ...
How to find a Java Memory Leak
... supposed to be able to find the root reference ( ref ) or whatever it is called. Basically, I can tell that there are several hundred megabytes of hash table entries ([java.util.HashMap$Entry or something like that), but maps are used all over the place... Is there some way to search for large maps...
How to disable GCC warnings for a few lines of code
...n GCC and Clang.
Consider the following Makefile
CPPFLAGS:=-std=c11 -W -Wall -pedantic -Werror
.PHONY: all
all: puts
for building the following puts.c source code
#include <stdio.h>
int main(int argc, const char *argv[])
{
while (*++argv) puts(*argv);
return 0;
}
It will not c...
How does #include work in C++? [duplicate]
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It is basically a header file that also includes every standard library and STL include file. The only purpose I can see for it would be for testing and education.
Se e.g. GCC 4.8.0 /bits/stdc++.h source.
Using it would include a lot ...
Python: Check if one dictionary is a subset of another larger dictionary
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Convert to item pairs and check for containment.
all(item in superset.items() for item in subset.items())
Optimization is left as an exercise for the reader.
share
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impr...
How do I remove a submodule?
...e about one or more submodules and wants to have it populated on the next call to "git submodule update".
But currently there is no easy way they can tell git they do not care about a submodule anymore and wants to get rid of the local work tree (unless the user knows a lot about submodule interna...
How to fix “Headers already sent” error in PHP
...ders must be invoked before any output is made.
summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying the HTTP header are:
header / header_remove
session_start / session_regenerate_id
se...
Convert ArrayList to String[] array [duplicate]
...yped array can be of any size (new String[1] is valid), but if it is too small then the JVM will resize it on it's own.
– dhackner
Apr 6 '12 at 7:41
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How do you use version control with Access development?
...an Access solution. It has a good amount of VBA, a number of queries, a small amount of tables, and a few forms for data entry & report generation. It's an ideal candidate for Access.
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