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Uses for Optional
... so, I'm pretty happy with the new API changes. One area I'm still not confident in is when to use Optional . I seem to swing between wanting to use it everywhere something may be null , and nowhere at all.
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Is there a way to “autosign” commits in Git with a GPG key?
...number of commits being signed. It may be convenient to use an agent to avoid typing your GPG passphrase several times.
That config is usually set per repo (you don't need to sign your private experimental local repos):
cd /path/to/repo/needing/gpg/signature
git config commit.gpgsign true
You...
Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
...set the content for the activity, you should be using setContentView(layoutId). If you're trying to add a new view to an existing ViewGroup, you should probably just pass the parent and let the inflater attach the new view.
– Coeffect
Oct 21 '14 at 17:20
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Repeat command automatically in Linux
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watch also has the unfortunate side effect of clearing the screen, so sometimes the loop is useful. Which to use depends on the desired format of the output.
– William Pursell
Nov 27 '12 at 21:53
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How to center icon and text in a android button with width set to “fill parent”
I want to have an Android Button with icon+text centered inside it. I'm using the drawableLeft attribute to set the image, this works well if the button has a width of "wrap_content" but I need to stretch to max width so I use width "fill_parent" . This moves my icon straight to the left of the b...
React ignores 'for' attribute of the label element
...label element (as returned by document.createElement, document.getElementById, etc) you'd access its for property as label.htmlFor.
– Sophie Alpert
Apr 1 '14 at 17:17
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When to use a key/value store such as Redis instead/along side of a SQL database?
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I did a quick Google search with that tutorial site URL and came across this as a top hit - slideshare.net/dvirsky/introduction-to-redis-version-2
– Paul
Nov 19 '13 at 15:19
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Change URL and redirect using jQuery
... not have an option for this, nor should it have one. This is perfectly valid javascript and there is no reason for jQuery to provide wrapper functions for this.
jQuery is just a library on top of javascript, even if you use jQuery you can still use normal javascript.
Btw window.location is not a ...
Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
29
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How can I get the length of text entered in a textbox using jQuery?
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If your textbox has an id attribute of "mytextbox", then you can get the length like this:
var myLength = $("#mytextbox").val().length;
$("#mytextbox") finds the textbox by its id.
.val() gets the value of the input element entered by the user,...