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How to reset (clear) form through JavaScript?
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This solution does not work now (in 2016). When form has default values for text, password and textarea inputs, you should use elements[i].defaultValue="" instead of elements[i].value="".
– Andrew F.
Aug 14 '16 at ...
Removing X-Powered-By
...or easy prey... having this header when on an old version means the server now gets targeted when previously would have been ignored. It adds to the security threat in a direct way. Even keeping up to date, it could add to the threat in a brief window of time where there is an update that has not be...
How to convert QString to std::string?
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As of Qt 5.0, QString::toStdString() now uses QString::toUtf8() to perform the conversion, so the Unicode properties of the string will not be lost (qt-project.org/doc/qt-5.0/qtcore/qstring.html#toStdString).
– Emile Cormier
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What port is a given program using? [closed]
...believe you need to be in the administrator group to do this, and I don't know what security implications there are on Vista.
I usually add -n as well to make it a little faster, but adding -b can make it quite slow.
Edit: If you need more functionality than netstat provides, vasac suggests that y...
How to update a menu item shown in the ActionBar?
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Option #1: Try invalidateOptionsMenu(). I don't know if this will force an immediate redraw of the action bar or not.
Option #2: See if getActionView() returns anything for the affected MenuItem. It is possible that showAsAction simply automatically creates action views fo...
What is the difference between bool and Boolean types in C#
...h the same question.
There is one minor difference on the MSDN page as of now.
VS2005
Note:
If you require a Boolean variable that can also have a value of null, use bool.
For more information, see Nullable Types (C# Programming Guide).
VS2010
Note:
If you require a Boolean v...
How do you avoid over-populating the PATH Environment Variable in Windows?
I would like to know what are the approaches that you use to manage the executables in your system. For example I have almost everything accessible through the command line, but now I come to the limit of the path string, so i can't add any more dir.
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Where does PostgreSQL store the database?
...ific folder is painful as someone else might have installed it for you and now you do not know the configuration, so following sql helps to save the time. :) Thanks Mike.
– Vishal
Jun 14 '13 at 8:54
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Best way to create an empty object in JSON with PHP?
...w instance will be empty.
.. but, try to keep it safe!
Though you never know when/if the above will change, so if you'd like to be 100% certain that you will always will end up with a {} in your encoded data you could use a hack such as:
json_encode (json_decode ("{}"));
Even though it's tedious ...
sed whole word search and replace
...nside sed for matching whole words
\bmyWord\b
\<myWord\>
Hear me now and believe me later, this ugly syntax is what you need to use:
/[[:<:]]myWord[[:>:]]/
So, for example, to replace mint with minty for whole words only:
sed "s/[[:<:]]mint[[:>:]]/minty/g"
Source: re_fo...