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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...
Why is there no Tree class in .NET?
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Beware that elements are un-ordered this way
– Sebastian
Aug 2 '16 at 10:15
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How to @link to a Enum Value using Javadoc
... I like @see but sometimes you need special cases. For example, my orders have an isWithdrawn() method, and I specifically say @return true if the status of this order is equal to OrderStatus#WITHDRAWN, false otherwise
– corsiKa
Oct 3 '13 at 17:21
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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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CSS Child vs Descendant selectors
...e green, but ghi will have red background color.
IMPORTANT: If you change order of the rules to:
div>span{background:green}
div span{background:red}
All letters will have red background, because descendant selector selects child's too.
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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...
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...
Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
...event
$().click(); //fires all click event handlers for this element, in order bound
You can view a listing including these shortcuts here.
As for the difference, .trigger() triggers the event handler (but not the default action most of the time, e.g. placing the cursor at the right spot in a c...
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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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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