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Trying to embed newline in a variable in bash [duplicate]
... This doesn't actually embed newlines, it embeds \n, which the echo -e converts to newlines as it prints. Depending on your actual goal, this may or may not do the trick.
– Gordon Davisson
Feb 4 '12 at 17:52
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...lues. As I iterate over the data set, I need to detect such missing values and handle them in special ways.
2 Answers
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Internal Error 500 Apache, but nothing in the logs?
...in windows and then upload it to the server without the line endings being converted you will get this error.
in perl if you forget
print "content-type: text/html\r\n\r\n";
you will get this error
There are many reasons for it. so please first check your error log and then provide some more in...
Cordova: start specific iOS emulator image
... '--stdout', logPath,
'--exit'];
return spawn('ios-sim', simArgs);
}
convert iPhone-4s, 7.1 to valid argument com.apple.CoreSimulator.SimDeviceType.iPhone-4s, 7.1 for ios-sim.
share
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improve ...
Compare dates in MySQL
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That is SQL Server syntax for converting a date to a string. In MySQL you can use the DATE function to extract the date from a datetime:
SELECT *
FROM players
WHERE DATE(us_reg_date) BETWEEN '2000-07-05' AND '2011-11-10'
But if you want to take advanta...
JPA - Returning an auto generated id after persist()
I'm using JPA (EclipseLink) and Spring. Say I have a simple entity with an auto-generated ID:
7 Answers
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Creating an empty bitmap and drawing though canvas in Android
I'd like to create an empty bitmap and set a canvas to that bitmap and then draw any shape on the bitmap.
2 Answers
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How do I force git to use LF instead of CR+LF under windows?
... out as whatever it is in the repo – hopefully LF (\n). Any CRLF will be converted to just LF on checkin.
With an existing repo that you have already checked out – that has the correct line endings in the repo but not your working copy – you can run the following commands to fix it:
git rm -...
How to center align the cells of a UICollectionView?
I am currently using UICollectionView for the user interface grid, and it works fine. However, I'd like to be enable horizontal scrolling. The grid supports 8 items per page and when the total number of items are, say 4, this is how the items should be arranged with horizontal scroll direction ena...
Is it possible to use argsort in descending order?
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If you negate an array, the lowest elements become the highest elements and vice-versa. Therefore, the indices of the n highest elements are:
(-avgDists).argsort()[:n]
Another way to reason about this, as mentioned in the comments, is to observe that the big elements are coming last in the ar...