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instantiate a class from a variable in PHP?
...ped up in a Factory pattern.
See Namespaces and dynamic language features for further details.
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Numpy - add row to array
...ulation you work against the good work Numpy does in pre-allocating memory for your existing array A. Clearly for small problem like in this answer this isn't a problem, but it can be more troubling for large data.
– dtlussier
Dec 15 '11 at 16:59
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Using $_POST to get select option value from HTML
...OST['taskOption'];.
Make sure to check if it exists in the $_POST array before proceeding though.
<form method="post" action="process.php">
<select name="taskOption">
<option value="first">First</option>
<option value="second">Second</option>
<o...
SQL Server Escape an Underscore
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T-SQL Reference for LIKE:
You can use the wildcard pattern matching characters as literal characters. To use a wildcard character as a literal character, enclose the wildcard character in brackets. The following table shows several examp...
Is there a way to pass optional parameters to a function?
...ether a caller supplied an optional parameter.
First, you can use special formal parameter syntax *. If the function definition has a formal parameter preceded by a single *, then Python populates that parameter with any positional parameters that aren't matched by preceding formal parameters (as a...
How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...ee functions so you can break at them, not the source: you have to hit run for that so that dynamic libraries get loaded. For source, google it and find: stackoverflow.com/questions/10000335/… :-)
– Ciro Santilli 郝海东冠状病六四事件法轮功
Nov 13...
undefined reference to boost::system::system_category() when compiling
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I am using a g++ Makefile for the compilation. Where does one usually put such flags?
– user1049697
Mar 15 '12 at 17:09
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How do I best silence a warning about unused variables?
I have a cross platform application and in a few of my functions not all the values passed to functions are utilised. Hence I get a warning from GCC telling me that there are unused variables.
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What is the command to list the available avdnames
...rs
echo "Available Emulators
----------------------------------------"
N=1
for DEVICE in ${DEVICES[@]}
do
echo "$N) $DEVICE"
let N=$N+1
done
# Request an emulator to start
read -p "
Choose an emulator: " num
# If the input is valid, launch our emulator on a separate PID and exit
if [ $num -lt ...
Add Text on Image using PIL
...ation that loads an Image and when the user clicks it, a text area appears for this Image (using jquery ), where user can write some text on the Image. Which should be added on Image.
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