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Set select option 'selected', by value
...easier way that doesn't require you to go into the options tag:
$("div.id_100 select").val("val2");
Check out the this jQuery method.
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What is the official “preferred” way to install pip and virtualenv systemwide?
...ng/index.html
If not :
Update (from the release notes):
Beginning with v1.5.1, pip does not require setuptools prior to running get-pip.py. Additionally, if setuptools (or distribute) is not already installed, get-pip.py will install setuptools for you.
I now run the regular:
curl --silent --...
Max size of an iOS application
...ize the file’s size as much as possible, keeping in mind that there is a 100 MB limit for over-the-air downloads.
This information can be found at iTunes Connect Developer Guide: Submitting the App to App Review.
As of February 12, 2015
(iOS only) App Size
iOS App binary files can be as large a...
Check if a user has scrolled to the bottom
... if($(window).scrollTop() + $(window).height() > $(document).height() - 100) {
alert("near bottom!");
}
});
You can test that version here, just adjust that 100 to whatever pixel from the bottom you want to trigger on.
...
Convert Elixir string to integer or float
...o_integer works nicely but String.to_float is tougher:
iex()> "1 2 3 10 100" |> String.split |> Enum.map(&String.to_integer/1)
[1, 2, 3, 10, 100]
iex()> "1.0 1 3 10 100" |> String.split |> Enum.map(&String.to_float/1)
** (ArgumentError) argument error
:erlang.binary_to...
How do I manage conflicts with git submodules?
...ubmodule, when you merge changes from master git does not know which ref - v1.0 or v1.1 - should be kept and tracked by the one.one branch of supery.
If that is the case, then you need to select the ref that you want and commit that change to resolve the conflict. Which is exactly what you are doin...
Python list directory, subdirectory, and files
...allFiles+=[os.path.join(folder,file)]
return allFiles
for i in range(100): files = listFiles1("src") # warm up
start = time.time()
for i in range(100): files = listFiles1("src") # listdir
print("Time taken: %.2fs"%(time.time()-start)) # 0.28s
start = time.time()
for i in range(100): files = ...
jQuery - Trigger event when an element is removed from the DOM
...st checked, it is already built-in in current version of JQuery:
jQuery - v1.9.1
jQuery UI - v1.10.2
$("#myDiv").on("remove", function () {
alert("Element was removed");
})
Important: This is functionality of Jquery UI script (not JQuery), so you have to load both scripts (jquery and jquery...
Reducing MongoDB database file size
...the extra disk space will actually be released to the OS.
UPDATE: as of v1.9+ there is a compact command.
This command will perform a compaction "in-line". It will still need some extra space, but not as much.
MongoDB compresses the files by:
copying the files to a new location
looping thro...
How to add text inside the doughnut chart using Chart.js?
...Config.sidePadding || 20;
var sidePaddingCalculated = (sidePadding / 100) * (chart.innerRadius * 2)
// Start with a base font of 30px
ctx.font = "30px " + fontStyle;
// Get the width of the string and also the width of the element minus 10 to give it 5px side padding
v...