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Regular expression to match numbers with or without commas and decimals in text
...decimal part
#Pass: (1), (0.1)
#Fail: (1.00), (0.1000)
^\d+(\.\d*[1-9])?$
Now that that's out of the way, most of the following is meant as commentary on how complex regex can get if you try to be clever with it, and why you should seek alternatives. Read at your own risk.
This is a very common ta...
is there an virtual environment for node.js?
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Tested and confirmed now. npm install replaced npm bundle as of NPM 1.0, I believe.
– Marnen Laibow-Koser
Feb 11 '12 at 19:01
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Custom ImageView with drop shadow
Okay, I've been reading and searching around, and am now banging my head against the wall trying to figure this out. Here's what I have so far:
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How do I move an existing Git submodule within a Git repository?
...nts this answer refers to the steps needed with older versions of git. Git now has native support for moving submodules:
Since git 1.8.5, git mv old/submod new/submod works as expected and does all the plumbing for you. You might want to use git 1.9.3 or newer, because it includes fixes for sub...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...og{base a} (A (a-1)/a +1). If I use the example of a = 10 and K = 192, I know that N = 2.23804… . This tells me that K lies at the beginning of the third space since it is a little greater than two.
The next step is to find exactly how far in the current space we are. To find this, subtract fr...
How to change the order of DataFrame columns?
... with a list of the columns, rearranged as needed.
This is what you have now:
In [6]: df
Out[6]:
0 1 2 3 4 mean
0 0.445598 0.173835 0.343415 0.682252 0.582616 0.445543
1 0.881592 0.696942 0.702232 0.696724 0.373551 0.670208
2 0.662527 ...
How do I set the time zone of MySQL?
... this answer.
To get the current timezone offset as TIME
SELECT TIMEDIFF(NOW(), UTC_TIMESTAMP);
It will return 02:00:00 if your timezone is +2:00.
To get the current UNIX timestamp:
SELECT UNIX_TIMESTAMP();
SELECT UNIX_TIMESTAMP(NOW());
To get the timestamp column as a UNIX timestamp
SELECT...
How to remove constraints from my MySQL table?
...column to other tables columns. Mine had a standard name given to it. Also now I now that you can drop foreign keys safetely without the column itself being dropped
– Lealo
Aug 18 '17 at 0:35
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What is the `sensor` parameter for in the Google Places API?
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Edit: The sensor parameter is no longer required, and will now be ignored if it's used.
The parameter doesn't impact the results. It's a parameter that Google is required to collect for Google's data providers who charge differently based on whether the request uses a sensor or not....
How to let PHP to create subdomain automatically for each user?
...to my index.php file. So if I go to
http://fred.mywebsite.com/album/Dance/now
I get back
http://fred.mywebsite.com/index.php?uri=album/Dance/now&hostName=fred.mywebsite.com
Then in my index.php code i just explode my username off of the hostName. This gives me nice pretty SEO URLs.
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