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Create nice column output in python

... Since Python 2.6+, you can use a format string in the following way to set the columns to a minimum of 20 characters and align text to right. table_data = [ ['a', 'b', 'c'], ['aaaaaaaaaa', 'b', 'c'], ['a', 'bbbbbbbbbb', 'c'] ] for row in table_data: ...
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Bash: infinite sleep (infinite blocking)

...ented in a separate answer. To summarize: infinity is converted in C from "string" to a double. Then that double is truncated to the maximum values allowed timespec, which means a very large amount of seconds (architecture-dependant) but, in theory, finite. – jp48 ...
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Date query with ISODate in mongodb doesn't seem to work

... The mongo shell provides various methods to return the date, either as a string or as a Date object: Date() method which returns the current date as a string. new Date() constructor which returns a Date object using the ISODate() wrapper. ISODate() constructor which returns a Date obje...
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How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?

...f hash table and trie have the same complexity on query, O(k) for k length string why should we go for hash? could you please explain? – Sazzad Hissain Khan Feb 12 '18 at 4:00 ...
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Comparing Dates in Oracle SQL

... 31-DEC-95 isn't a string, nor is 20-JUN-94. They're numbers with some extra stuff added on the end. This should be '31-DEC-95' or '20-JUN-94' - note the single quote, '. This will enable you to do a string comparison. However, you're not doin...
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How to split a long regular expression into multiple lines in JavaScript?

... You could convert it to a string and create the expression by calling new RegExp(): var myRE = new RegExp (['^(([^<>()[\]\\.,;:\\s@\"]+(\\.[^<>(),[\]\\.,;:\\s@\"]+)*)', '|(\\".+\\"))@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\....
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How do I display an alert dialog on Android?

...ismissed when a dialog button is clicked. .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // Continue with delete operation } }) // A null listener allows the button t...
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Checking if a blob exists in Azure Storage

...asy as: public static bool BlobExistsOnCloud(CloudBlobClient client, string containerName, string key) { return client.GetContainerReference(containerName) .GetBlockBlobReference(key) .Exists(); } ...
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Difference between Python's Generators and Iterators

...iterables are the built-in tuples, lists, dictionaries, sets, frozen sets, strings, byte strings, byte arrays, ranges and memoryviews: >>> all(isinstance(element, collections.Iterable) for element in ( (), [], {}, set(), frozenset(), '', b'', bytearray(), range(0), memoryview(b''))...
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How does a PreparedStatement avoid or prevent SQL injection?

...he final form query that is constructed using PreparedStatements will be a string or otherwise? 10 Answers ...