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Check if $_POST exists
I'm trying to check whether a $_POST exists and if it does, print it inside another string, if not, don't print at all.
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What is the function of the push / pop instructions used on registers in x86 assembly?
When reading about assembler I often come across people writing that they push a certain register of the processor and pop it again later to restore it's previous state.
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grep using a character vector with multiple patterns
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In addition to @Marek's comment about not including fixed==TRUE, you also need to not have the spaces in your regular expression. It should be "A1|A9|A6".
You also mention that there are lots of patterns. Assuming that they ar...
What techniques can be used to speed up C++ compilation times?
...and here, also known as an opaque pointer or handle classes. Not only does it speed up compilation, it also increases exception safety when combined with a non-throwing swap function. The Pimpl idiom lets you reduce the dependencies between headers and reduces the amount of recompilation that needs ...
Embedded MongoDB when running integration tests
...doodle.embed.process.runtime.Network;
import java.util.Date;
import org.junit.After;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
public class EmbeddedMongoTest
{
private static final String DATABASE_NAME = "embedded";
private MongodExecutable mongodExe...
Exit codes in Python
I got a message saying script xyz.py returned exit code 0 . What does this mean?
13 Answers
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android edittext onchange listener
I know a little bit about TextWatcher but that fires on every character you enter. I want a listener that fires whenever the user finishes editing. Is it possible? Also in TextWatcher I get an instance of Editable but I need an instance of EditText . How do I get that?
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What does “@” mean in Windows batch scripts
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It means not to output the respective command. Compare the following two batch files:
@echo foo
and
echo foo
The former has only foo as output while the latter prints
H:\Stuff>echo foo
foo
(here, at least). As ca...
How to get folder path for ClickOnce application
I need to write a file in the same folder where a console ClickOnce .application (executable file) resides. The folder where it launches from.
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How do you install Boost on MacOS?
...follow
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edited Mar 16 '16 at 3:13
Honest Abe
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