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No generic implementation of OrderedDictionary?
There doesn't appear to be a generic implementation of OrderedDictionary (which is in the System.Collections.Specialized namespace) in .NET 3.5. Is there one that I'm missing?
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How to add an empty column to a dataframe?
...umns (single/multiple) to a DF. These columns get inserted in alphabetical order at the end of the DF.
This becomes advantageous compared to simple assignment in cases wherein you want to perform a series of chained operations directly on the returned dataframe.
Consider the same DF sample demonst...
Bash script - variable content as a command to run
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line=$((${RANDOM} % $(wc -l < /etc/passwd)))
sed -n "${line}p" /etc/passwd
just with your file instead.
In this example I used the file /etc/password, using the special variable ${RANDOM} (about which I learned here), and the sed expression you had, onl...
Print all the Spring beans that are loaded
...ble in the container. You can autowire them using @Auwired Environment env etc. stackoverflow.com/a/54863282/1840774
– Velu
Feb 25 '19 at 10:00
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MySQL: Large VARCHAR vs. TEXT?
... If all the columns are short and predictable (ex: MAC address, IMEI, etc... are things that never change) then use CHAR columns and you can make your row size fixed, which should speed things up considerably if using MyISAM, possibly also InnoDb although I am not sure about it.
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Sorting list based on values from another list?
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good solution! But it should be: The list is ordered regarding the first element of the pairs, and the comprehension extracts the 'second' element of the pairs.
– MasterControlProgram
Oct 6 '17 at 14:31
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ActiveMQ or RabbitMQ or ZeroMQ or [closed]
... If no wire protocol assumed: see other answers.
– Fletch
Dec 2 '10 at 10:53
19
Having worked in ...
How to set default value for form field in Symfony2?
... I created a service which generated all the forms, did all the processing etc. This was because the forms were to be used across multiple controllers in multiple environments and whilst the forms were generated / handled in the same way, they were displayed / interacted with differently (e.g. error...
How to pipe list of files returned by find command to cat to view all the files
...command line arguments. Note that file names containing spaces (newlines, etc) will be broken into separate arguments, though.
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Maven parent pom vs modules pom
...configuration as in source control, deployment directories, common plugins etc. (I'm assuming the parent but I've often been bitten by this and they've ended up in each project rather than a common one).
Honestly, I don't know how to not give a general answer here (like "use the level at which ...