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Garbage collector in Android
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@ThomasPornin - On the other hand, as an application programmer, you know something that the OS does not know: times at which your app is now going to make a major change in how it uses memory, and that it would be less disruptive to the user experience to take a pause ...
Homebrew: List only installed top level formulas
...ive us a list of formulae which are not dependencies of other formulae:
$ cat brew-root-formulae.sh
#!/bin/sh
brew deps --installed | \
awk -F'[: ]+' \
'{
packages[$1]++
for (i = 2; i <= NF; i++)
dependencies[$i]++
}
END {
for (package in pack...
What is the easiest way to duplicate an activerecord record?
... suppose you have a task scheduled for a certain date and you want to duplicate it to another date. The actual attributes of the task aren't important, so:
old_task = Task.find(task_id)
new_task = Task.new(old_task.attributes.merge({:scheduled_on => some_new_date}))
will create a new task wit...
External VS2013 build error “error MSB4019: The imported project was not found”
...>
</PropertyGroup>
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<Import Project="$(VSToolsPath)\WebApplications\Microsoft.WebApplication.targets" Condition="'$(VSToolsPath)' != ''" />
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Calling startActivity() from outside of an Activity?
... Beware, you need this on Android 9+ also, see this answer for clarifications
– Vadim Kotov
Jan 22 at 9:15
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How to get the parents of a merge commit in git?
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git cat-file -p 3706454 is the same but even shorter :)
– sabgenton
Nov 13 '13 at 4:58
1
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How to delete a stash created with git stash create?
... is 2 weeks later).
Older stashes are saved in the refs/stash reflog (try cat .git/logs/refs/stash), and can be deleted with git stash drop stash@{n}, where n is the number shown by git stash list.
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How do I fetch lines before/after the grep result in bash?
... trailing output context.
grep -i "my_regex" -C 10
Example
user@box:~$ cat out
line 1
line 2
line 3
line 4
line 5 my_regex
line 6
line 7
line 8
line 9
user@box:~$
Normal grep
user@box:~$ grep my_regex out
line 5 my_regex
user@box:~$
Grep exact matching lines and 2 lines after
user@box:~...
Disable building workspace process in Eclipse
...le interrupt by saving its intermediate state and resuming on the next invocation.
In practice this is hard to implement so the most common boundary is when we check for interrupt before/after calling each builder in the chain.
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contenteditable change events
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what is this delete event?
– James Cat
Nov 10 '17 at 11:30
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