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Shall we always use [unowned self] inside closure in Swift
...ous network request
If you are making an asynchronous network request you do want the closure to retain self for when the request finishes. That object may have otherwise been deallocated but you still want to be able to handle the request finishing.
When to use unowned self or weak self
The only...
How do I create a directory from within Emacs?
How exactly can I create a new directory using Emacs? What commands do I use? (If possible, please provide an example)
6 An...
Query an XDocument for elements by name at any depth
I have an XDocument object. I want to query for elements with a particular name at any depth using LINQ. When I use Descendants("element_name") , I only get elements that are direct children of the current level. What I'm looking for is the equivalent of "//element_name" in XPath...should I ju...
Android: How do I prevent the soft keyboard from pushing my view up?
...
You can simply switch your Activity's windowSoftInputModeflag to adjustPan in your AndroidMainfest.xml file inside your activity tag.
Check the official documentation for more info.
<activity
...
android:windowSoftInputMode="adjustPan">
</activity>...
UITableView set to static cells. Is it possible to hide some of the cells programmatically?
...DataAnimated:YES];
Note to always use only (reloadDataAnimated:YES/NO)
(dont call [self.tableView reloadData] directly)
This doesn't use the hacky solution with setting height to 0 and allows you to animate the change and hide whole sections
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How to create a loop in bash that is waiting for a webserver to respond?
...il $(curl --output /dev/null --silent --head --fail http://myhost:myport); do
printf '.'
sleep 5
done
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How to do a safe join pathname in ruby?
My Rails development environment is Windows-based, and my production environment is Linux-based.
2 Answers
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
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I do this:
<% some_local = default_value if local_assigns[:some_local].nil? %>
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Easiest way to copy a single file from host to Vagrant guest?
...a file from the host machine to the guest machine.
Vagrant.configure("2") do |config|
# ... other configuration
config.vm.provision "file", source: "~/.gitconfig", destination: ".gitconfig"
end
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Is it better to specify source files with GLOB or each file individually in CMake?
...al ways to specify the source files for a target.
One is to use globbing ( documentation ), for example:
5 Answers
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