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What regular expression will match valid international phone numbers?
...he plus with the international access code for the country you are dialing from.
Note that this DOES NOT take into account national number plan rules - specifically, it allows zeros and ones in locations that national number plans may not allow and also allows number lengths greater than the nation...
How to ignore the first line of data when processing CSV data?
I am asking Python to print the minimum number from a column of CSV data, but the top row is the column number, and I don't want Python to take the top row into account. How can I make sure Python ignores the first line?
...
Using the rJava package on Win7 64 bit with R
...windows-i586.exe and jdk-8u172-windows-x64.exe and then the binary package from CRAN:
install.packages("rJava")
The binary package from CRAN should pick up on the jvm by itself. Experts only: to build rJava from source, you need the --merge-multiarch flag:
install.packages('rJava', type = 'sour...
Difference between CLOB and BLOB from DB2 and Oracle Perspective?
...tackoverflow.com%2fquestions%2f21570751%2fdifference-between-clob-and-blob-from-db2-and-oracle-perspective%23new-answer', 'question_page');
}
);
Post as a guest
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How to randomize (shuffle) a JavaScript array?
...It picks a random element for each original array element, and excludes it from the next draw, like picking randomly from a deck of cards.
This clever exclusion swaps the picked element with the current one, then picks the next random element from the remainder, looping backwards for optimal effici...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...umber of cache lines in your cache. L is always power of 2.
The six comes from fact that 2^6 == 64 bytes is standard size of cache line.
Now what does this mean? Well it means that if I have address X and address Y and
(X >> 6) - (Y >> 6) is divisible by L (i.e. some large power of 2)...
Pros and cons of Java rules engines [closed]
...and Drools?
Use a rule engine if you need to separate the business rules from the application logic. The Does Your Project Need a Rule Engine article has a good example:
For example, a typical storefront
system might involve code to calculate
a discount:
if (product.quantity > 100 &...
Can't install Ruby under Lion with RVM – GCC issues
...nt versions of XCode you need to install the command-line tools separately from the XCode menu -> Preferences -> Downloads -> Components. This is a pre-requisite for doing any compiling with XCode on the command-line, not just Ruby.
Note 2: If something doesn't work after following the ste...
Include CSS,javascript file in Yii Framework
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should I call this from the controller of from the view?
– user1077220
Jun 15 '12 at 9:07
3
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Array versus List: When to use which?
...tually no collections are ever mutated. That is; collections are retrieved from the database or constructed from some source, but further processing is always done by recreating a new collection (e.g. map/filter etc). Even where conceptual mutation is necessary, it tends to be simplest to just gener...