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How do I convert array of Objects into one Object in JavaScript?
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Use lodash!
const obj = _.keyBy(arrayOfObjects, 'keyName')
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MySQL search and replace some text in a field
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Change table_name and field to match your table name and field in question:
UPDATE table_name SET field = REPLACE(field, 'foo', 'bar') WHERE INSTR(field, 'foo') > 0;
REPLACE (string functions)
INSTR (string functions)
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Purge Kafka Topic
...yi, for kafka v. 0.9.0.0, it says: ubuntu@ip-172-31-21-201:/opt/kafka/kafka_2.10-0.9.0.0-SNAPSHOT$ bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic room-data --config retention.ms=1000 WARNING: Altering topic configuration from this script has been deprecated and may be removed in futu...
With arrays, why is it the case that a[5] == 5[a]?
...ould make some situations associative which presently aren't, e.g. 3U+(UINT_MAX-2L) would equal (3U+UINT_MAX)-2. What would be best, though, is for the language to have add new distinct types for promotable integers and "wrapping" algebraic rings, so that adding 2 to a ring16_t which holds 65535 wo...
LINQ query on a DataTable
...B Version: Dim results = From myRow In myDataTable.AsEnumerable _ Where myRow.Field("RowNo") = 1 _ Select myRow
– Jeff
Jul 29 '09 at 20:46
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iPhone viewWillAppear not firing
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Swift 3: func navigationController(_ navigationController: UINavigationController, willShow viewController: UIViewController, animated: Bool) {} AND func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewControl...
How to randomize (or permute) a dataframe rowwise and columnwise?
... this method will maintain the row.names?
– tumultous_rooster
Nov 30 '13 at 1:19
Any reason for using = over the stand...
How do I programmatically click a link with javascript?
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Note that if the a link has target="_blank" property, the browser's popup blocker will be activated for the new window.
– wonsuc
Feb 26 '19 at 6:11
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Split string into array of character strings
... ^, and ). However, it works as you say it does.
– Ty_
Mar 6 '14 at 2:07
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This is indeed a regex...
Installing specific package versions with pip
I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it:
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