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How can I check if an element exists in the visible DOM?
...to the original question).
That's as simple as using any of the browser's selecting method, and checking it for a truthy value (generally).
For example, if my element had an id of "find-me", I could simply use...
var elementExists = document.getElementById("find-me");
This is specified to eithe...
What rules does Pandas use to generate a view vs a copy?
I'm confused about the rules Pandas uses when deciding that a selection from a dataframe is a copy of the original dataframe, or a view on the original.
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Recursive file search using PowerShell
...-ChildItem -Recurse -Path path/with/wildc*rds/ -Include file.*).fullname | Select -First 1
Now for the important stuff:
To search only for files/directories do not use -File or -Directory (see below why). Instead use this for files:
Get-ChildItem -Recurse -Path ./path*/ -Include name* | where {$...
Capture key press (or keydown) event on DIV element
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+1 tabindex is the key point here to make the div 'selectable'. JQuery not necessary, the same thing works with Angular as well as (I suppose) with plain javascript events.
– Jukka Dahlbom
Feb 12 '14 at 10:57
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Detect backspace in empty UITextField
...ss UITextField and implement canPerformAction:withSender: to return NO for select: and selectAll: actions when the text is equal to the string @"\u200B".
– ma11hew28
Oct 19 '11 at 21:56
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Android: ListView elements with multiple clickable buttons
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For future readers:
To select manually the buttons with the trackball use:
myListView.setItemsCanFocus(true);
And to disable the focus on the whole list items:
myListView.setFocusable(false);
myListView.setFocusableInTouchMode(false);
myListVie...
Bulk package updates using Conda
Is there a way (using conda update) that I can list outdated packages and select or bulk update (compatible) packages in Anaconda?
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How to call a function from a string stored in a variable?
...wanted to have the same code be able to call lighten or darken rather than select it out with logic. This may be the result of my stubbornness to not just use if-else or to change the code calling this method.
$lightdark="lighten"; // or optionally can be darken
$color="fcc"; // a hex color
$perc...
Express res.sendfile throwing forbidden error
.... good catch. I didn't notice this small difference. I also wonder if the selected answer works not because it uses .sendfile but because it relies on something else completely (path). Thanks for pointing this out.
– tenor528
Feb 10 '16 at 15:53
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Difference between make and build in Android Studio
...the source files that have been modified since the last compilation in the selected module as well as in all the modules it depends on recursively.
Rebuild Project All the source files in the project are recompiled. This may be necessary when the classpath entries have changed, for example, SDK...