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Algorithm to find Largest prime factor of a number
...fast if the input number has two factors very close to its square root is known as Fermat factorisation. It makes use of the identity N = (a + b)(a - b) = a^2 - b^2 and is easy to understand and implement. Unfortunately it's not very fast in general.
The best known method for factoring numbers up t...
in a “using” block is a SqlConnection closed on return or exception?
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Did you know you can stack using statements without additional braces? Delete the last brace, then place the using statements next to each other :)
– NickG
Aug 28 '14 at 14:42
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IE8 issue with Twitter Bootstrap 3
...element type had changed. In Bootstrap 2 it was nav. In Bootstrap 3 it's now header. So to fully resolve the problem I had to
<meta http-equiv="X-UA-Compatible" content="IE=edge">
Put this right after I'd loaded my css:
<!--[if lt IE 9]>
<script src="~/Content/compatibili...
How to output MySQL query results in CSV format?
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The negativity is valid.. it might work for you now but it could well bite you in the future when your data includes a tab or a comma etc..
– John Hunt
Apr 30 '14 at 12:44
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How to manage startActivityForResult on Android?
...w Intent();
setResult(Activity.RESULT_CANCELED, returnIntent);
finish();
Now in your FirstActivity class write following code for the onActivityResult() method.
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, result...
How should I use Outlook to send code snippets?
...spell checker to ignore the text with this style.
With this style you can now paste the code as text and select your new style. Outlook will not correct the text and will not perform the spell check on it.
Below is the summary of the style I have defined for emailing the code snippets.
Do not che...
How to make a copy of a file in android?
...d I found the problem was missing permission to write to external storage. now it works fine.
– A S
Feb 16 '12 at 9:51
8
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How to do a regular expression replace in MySQL?
...expression matching in the manner of the REGEXP and RLIKE operators, which now are synonyms for that function. In addition, the REGEXP_INSTR(), REGEXP_REPLACE(), and REGEXP_SUBSTR() functions are available to find match positions and perform substring substitution and extraction, respectively.
SELE...
How to enter a multi-line command
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ah i see what you mean now. so "if" and "foreach" are not actually cmdlets - they are actuall part of the grammar, thus forcing it to look past to the next line. is there then no way to let a user-defined function read a script block from the next...
Java Name Hiding: The Hard Way
...rio, you COULD construct an instance of the class using reflection if you know its fully qualified name.
Java: newInstance of class that has no default constructor
And then invoke the method on the instance.
Or, just invoke the method itself with reflection:
Invoking a static method using reflect...