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Constructors in JavaScript objects
... name = 'Unknown';
// public (this instance only)
this.get_id = function () { return id; };
this.get_name = function () { return name; };
this.set_name = function (value) {
if (typeof value != 'string')
throw 'Name must be a string';
...
How to count the number of set bits in a 32-bit integer?
... may need to adjust it to work for a particular language (e.g. using uint32_t for C++ and >>> in Java):
int numberOfSetBits(uint32_t i)
{
// Java: use int, and use >>> instead of >>
// C or C++: use uint32_t
i = i - ((i >> 1) & 0x55555555);
i = (...
How to prevent XSS with HTML/PHP?
...e this function is something like this:
echo htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
Google Code University also has these very educational videos on Web Security:
How To Break Web Software - A look at security vulnerabilities in
web software
What Every Engineer Needs to Know About Se...
MAMP Pro 3.05 on Mavericks updated to Yosemite - Apache does not start
...e the file “envvars” located in /Applications/MAMP/Library/bin into “_envvars”
Test Update: It works!
Works for Yosemite release too!
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How to find elements by class
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@pyCthon See answer for @jmunsch, BS now supports class_ which works properly.
– Wernight
Oct 6 '14 at 9:47
30
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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...
I had this issue and the fix was to make sure in tnsnames.ora the SERVICE_NAME is a valid service name in your database. To find out valid service names, you can use the following query in oracle:
select value from v$parameter where name='service_names'
Once I updated tnsnames.ora to:
TEST =
...
Check if PHP session has already started
...om a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
...
Can I install Python windows packages into virtualenvs?
...
Yes, you can. All you need is
easy_install
binary_installer_built_with_distutils.exe
Surprised? It looks like binary installers for Windows made with distutils combine .exe with .zip into one .exe file. Change extension to .zip to see it's a valid zip fil...
Force SSL/https using .htaccess and mod_rewrite
How can I force to SSL/https using .htaccess and mod_rewrite page specific in PHP.
9 Answers
...
Resetting generator object in Python
...to create a second version of your generator:
y = FunctionWithYield()
y, y_backup = tee(y)
for x in y:
print(x)
for x in y_backup:
print(x)
This could be beneficial from memory usage point of view if the original iteration might not process all the items.
...