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Difference between fold and reduce?
...he same thing but takes an extra parameter. Is there a legitimate reason for these two functions to exist or they are there to accommodate people with different backgrounds? (E.g.: String and string in C#)
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Setting default permissions for newly created files and sub-directories under a directory in Linux?
... are configured with per-user groups by default.
I don't know of a way to force the permissions you want if the user's umask is too strong.
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What's the difference between detaching a Fragment and removing it?
In the Android docs for a FragmentTransaction I noticed two very similar methods: detach and remove . The descriptions over there don't seem to provide much insight about when to use each, and from what I can tell they appear to be the same.
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How to disable HTML links
...rs will support it:
a.disabled {
pointer-events: none;
}
It's what, for example, Bootstrap 3.x does. Currently (2016) it's well supported only by Chrome, FireFox and Opera (19+). Internet Explorer started to support this from version 11 but not for links however it's available in an outer ele...
What does SynchronizationContext do?
...ationContext does not necessarily represent a specific thread; it can also forward invocation of the delegates passed to it to any of several threads (e.g. to a ThreadPool worker thread), or (at least in theory) to a specific CPU core, or even to another network host. Where your delegates end up run...
What is a “thread” (really)?
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A thread is an independent set of values for the processor registers (for a single core). Since this includes the Instruction Pointer (aka Program Counter), it controls what executes in what order. It also includes the Stack Pointer, which had better point to a un...
What does “Mass Assignment” mean in Laravel?
...u can use fillable to protect which fields you want this to actually allow for updating.
You can also block all fields from being mass-assignable by doing this:
protected $guarded = ['*'];
Let's say in your user table you have a field that is user_type and that can have values of user / admin
O...
How do I reference an existing branch from an issue in GitHub?
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@jonasfj The Github URL for a branch is static though - it's always /user/repo/tree/branch-name (or /user/repo/commits/branch-name depending on what you want to view)
– GMA
Sep 30 '15 at 13:39
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Handling Touch Event in UILabel and hooking it up to an IBAction
...ecognizer is not the same as touch up inside, and loses human interface conformance and accessibility.
– user246672
Jun 23 '16 at 1:09
1
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Emulating a do-while loop in Bash
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Two simple solutions:
Execute your code once before the while loop
actions() {
check_if_file_present
# Do other stuff
}
actions #1st execution
while [ current_time <= $cutoff ]; do
actions # Loop execution
done
Or:
while : ; do
actions
[[ current_t...