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In log4j, does checking isDebugEnabled before logging improve performance?
...t's more efficient when the log event is disabled because the log level is set high. See the section titled "The need for conditional logging" in my answer here.
– erickson
Jul 24 '13 at 17:42
...
What is the difference between Cloud, Grid and Cluster? [closed]
...a large collection as machines connected by a private network and offers a set of services to users, it acts as a sort of supercomputer by sharing processing power across the machines. Source: Tenenbaum, Andrew.
Cluster: A cluster is different from those two. Clusters are two or more computers who ...
How can I prevent SQL injection in PHP?
...nd pg_execute() for PostgreSQL). PDO is the universal option.
Correctly setting up the connection
Note that when using PDO to access a MySQL database real prepared statements are not used by default. To fix this you have to disable the emulation of prepared statements. An example of creating a c...
Is proprietary code legally safe on bitbucket or github? [closed]
...the Service. Your profile and materials uploaded remain yours. However, by setting your pages to be viewed publicly, you agree to allow others to view your Content. By setting your repositories to be viewed publicly, you agree to allow others to view and fork your repositories.
As noted in the Bit...
How to pass variable from jade template file to a script file?
...mpting to pass an object into a template via an express route (akin to OPs setup). Then I wanted to pass that object into a function I was calling via a script tag in a pug template. Though lagginreflex's answer got me close, I ended up with the following:
script.
var data = JSON.parse('!{JSON....
Converting a Date object to a calendar object [duplicate]
...dar toCalendar(Date date){
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal;
}
Everything else you are doing is both wrong and unnecessary.
BTW, Java Naming conventions suggest that method names start with a lower case letter, so it should be: dateToCalendar or toCalend...
Get Image Height and Width as integer values?
...
getimagesize('image.jpg')
function works only if allow_url_fopen is set to 1 or On inside php.ini file on the server,
if it is not enabled, one should use
ini_set('allow_url_fopen',1);
on top of the file where getimagesize() function is used.
...
Image width/height as an attribute or in CSS? [duplicate]
...rgins. If you have a fixed element for example with top/bottom/left/right set to zero and you stick an image in it you want to center wrapped in a div, then in order to center that div with auto margins, you MUST specify a CSS width/height, because specifying an HTML attribute width/height has no e...
React.js: onChange event for contentEditable
... this as my render function.
var handleChange = function(event){
this.setState({html: event.target.value});
}.bind(this);
return (<ContentEditable html={this.state.html} onChange={handleChange} />);
jsbin
Which uses this simple wrapper around contentEditable.
var ContentEditable = Re...
Launching Google Maps Directions via an intent on Android
...hich package you want to use. Before the startActivity() add this: intent.setClassName("com.google.android.apps.maps", "com.google.android.maps.MapsActivity");
– Jeremy Logan
Jun 27 '11 at 17:45
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