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Calculate the median of a billion numbers
... Probably too late if this had been an interview, but never mind:
Machine 1 shall be called the "control machine", and for the sake of argument either it starts with all the data, and sends it in equal parcels to the other 99 machines, or else the data starts evenly distributed between the machines...
How to access array elements in a Django template?
... access individual elements of the array in the array (e.g. arr[0] , arr[1] ) etc. instead of looping through the whole array.
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In jQuery, how do I get the value of a radio button when they all have the same name?
...your code, jQuery just looks for the first instance of an input with name q12_3, which in this case has a value of 1. You want an input with name q12_3 that is :checked.
$("#submit").click(() => {
const val = $('input[name=q12_3]:checked').val();
alert(val);
});
<script src="https...
Why does Java switch on contiguous ints appear to run faster with added cases?
...ogram logic. Part of this code involves multiplying double variables by 10 raised to arbitrary non-negative int exponent s. One fast way (edit: but not the fastest possible, see Update 2 below) to get the multiplied value is to switch on the exponent :
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Delete the first three rows of a dataframe in pandas
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281
Use iloc:
df = df.iloc[3:]
will give you a new df without the first three rows.
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Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
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answered Aug 28 '14 at 14:19
AdnanAdnan
1,95422 gold badges2525 silver badges2626 bronze badges
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Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...ninc/DbConnector
Cloning into 'DbConnector'...
remote: Counting objects: 11, done.
remote: Compressing objects: 100% (10/10), done.
remote: Total 11 (delta 0), reused 11 (delta 0)
Unpacking objects: 100% (11/11), done.
Checking connectivity... done.
默认情况下，子模块会将子...
What is the right way to POST multipart/form-data using curl?
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The following syntax fixes it for you:
curl -v -F key1=value1 -F upload=@localfilename URL
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How to JSON serialize sets?
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121
JSON notation has only a handful of native datatypes (objects, arrays, strings, numbers, boole...
How to do multiple arguments to map function where one remains the same in python?
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