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How to run a background task in a servlet based web application?
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I would suggest using a library like quartz in order to run the task at regular intervals. What does the servlet really do ? It sends you a report ?
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Should we pass a shared_ptr by reference or by value?
... slightly slower than plain old increment/decrement code, but is needed in order to be thread safe. Beyond that, the two methods are the same for most intents and purposes.
– Evan Teran
Jul 29 '10 at 2:02
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Java String - See if a string contains only numbers and not letters
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In order to simply check the string that it contains only ALPHABETS use the following code :
if (text.matches("[a-zA-Z]+"){
// your operations
}
In order to simply check the string that it contains only NUMBER use the foll...
How can I echo HTML in PHP?
...al to do all your necessary data processing before displaying any data, in order to separate logic and presentation.
The data display itself could be at the bottom of the same PHP file or you could include a separate PHP file consisting of mostly HTML.
I prefer this compact style:
<?php
/*...
Is it possible to implement dynamic getters/setters in JavaScript?
...rop];
},
set: function(prop,value){
this[prop] = value;
}
}
In order to use it the properties should be passed as strings.
So here is an example of how it works:
//To set a property
obj.set('myProperty','myValue');
//To get a property
var myVar = obj.get('myProperty');
Edit:
An impro...
Getting a structural type with an anonymous class's methods from a macro
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to use NSURLConnection to connect with SSL for an untrusted cert?
...poses it is highly recommended that you do not change application logic in order disable the built in certificate validation provided by the NSURLConnection APIs. If the application is released to the public without removing this logic, it will be susceptible to man-in-the-middle attacks.
The reco...
How do I use sudo to redirect output to a location I don't have permission to write to?
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You'll want to do 'sudo -E ...' in order to use variables in the shelled out command (when using this in a script, for instance).
– Urhixidur
Feb 14 '14 at 21:28
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Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?
... This plugin is good, but the original size must have enough resolution in order to keep a good quality for the asset. I guess it is better asking the designer for xxxhdpi assets initially and then scale them down.
– narko
Jul 25 '16 at 20:16
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What is a build tool?
... builds. In this case we schedule the builds to run for a specific time in order to build the changes. All the previous uncommitted changes from the last build are built during this build process. This is practiced when we want to check in multiple times but do not want a build every time we check i...