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Do you need to dispose of objects and set them to null?
...e collector sees fit. Sometimes, you may need to set an object to null in order to make it go out of scope (such as a static field whose value you no longer need), but overall there is usually no need to set to null.
Regarding disposing objects, I agree with @Andre. If the object is IDisposable i...
Are multiple `.gitignore`s frowned on?
...nce git 1.8.2 (March 2013) you can do a git check-ignore -v -- yourfile in order to see which gitignore run (from which .gitignore file) is applied to 'yourfile', and better understand why said file is ignored.
See "which gitignore rule is ignoring my file?"
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How to merge 2 JSON objects from 2 files using jq?
...f the individual files are sorted by a key, is it possible to preserve the order in the resulting file?
– Leo
Sep 12 '19 at 7:13
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How to version control a record in a database
...O table. Happy days.
Then, I would create a FOO_HISTORY table. This has all the columns of the FOO table. The primary key is the same as FOO plus a RevisionNumber column. There is a foreign key from FOO_HISTORY to FOO. You might also add columns related to the revision such as the UserId and R...
What is the difference between include and extend in Ruby?
... class and then in linked to A class modules if there are some (in reverse order, last included wins).
When we use extend we are adding linkage to a module in object's eigen class.
So if we use A.new.extend(MyMod) we are adding linkage to our module to A's instance eigen class or a' class.
And if w...
Forward host port to docker container
...eady exposed as it is not within Docker.
You do not need the -p option in order to expose ports from container to host. By default, all port are exposed. The -p option allows you to expose a port from the container to the outside of the host.
So, my guess is that you do not need -p at all and it s...
NumPy: function for simultaneous max() and min()
... as the fastest C-compiled library (at least we are talking about the same order of magnitude), which is impressive taking into account that we wrote nothing else than pure Python code, don't you agree? ^^
– Peque
Mar 14 '17 at 8:26
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How do you do a deep copy of an object in .NET? [duplicate]
...deep copy. Its almost the same speed as copying a value struct, and its an order of magnitude faster than (a) reflection or (b) serialization (as described in other answers on this page).
Note that if you use Nested MemberwiseClone for a deep copy, you have to manually implement a ShallowCopy for e...
How to increase scrollback buffer size in tmux?
... A little hickup I ran into. All tmux sessions must be closed in order for this change to take an effect. Coming from GNU screen I assumed each new screen session would source the ~/.tmux.conf but that is not the case. Only when all tmux sessions are closed and new one is opened does the...
How to get a list of installed android applications and pick one to run
...igured it out. Now, I'm working on how can I access those installed app in order to create a shortcut inside my App. Is that possible?
– androidBoomer
Jan 24 '14 at 1:35
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