大约有 11,643 项符合查询结果（耗时：0.0455秒） [XML]
Java 8 Stream and operation on arrays
...o convert an array into a Java 8 stream which can then be used for summing etc.
int sum = Arrays.stream(myIntArray)
.sum();
Multiplying two arrays is a little more difficult because I can't think of a way to get the value AND the index at the same time as a Stream operation. Th...
Using Django time/date widgets in custom form
...e AdminDateWidget / AdminTimeWidget / AdminSplitDateTime (replace 'mydate' etc with the proper field names from your model):
from django import forms
from my_app.models import Product
from django.contrib.admin import widgets
class ProductForm(forms.ModelForm)...
How to prevent long words from breaking my div?
... but display:table on other elements is fine. It will be as quirky (and stretchy) as old-school tables:
div.breaking {
display: table-cell;
}
overflow and white-space: pre-wrap answers below are good too.
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Debugging iframes with Chrome developer tools
...o be broken in chrome 30.0.1599.101 - any attempts to use code, variables, etc are still from the parent context after choosing an iframe
– Kevin
Nov 14 '13 at 0:55
3
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How to install packages offline?
...einstalled there too (e.g. say if you depend on PIL, then libpng, libjpeg, etc must be preinstalled).
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Find the max of two or more columns with pandas
...stant, and is due to internal overhead (indexing alignment, handling NaNs, etc).
The graph was generated using perfplot. Benchmarking code, for reference:
import pandas as pd
import perfplot
np.random.seed(0)
df_ = pd.DataFrame(np.random.randn(5, 1000))
perfplot.show(
setup=lambda n: pd.conc...
What's the difference between ng-model and ng-bind
...nts. This directive is very useful for updating the blocks like div, span, etc. with inner HTML content.
This example would help you to understand.
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How to use cURL to send Cookies?
...etwork tab. Copy -> Copy as cURL.
It will contain all headers, cookies, etc..
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How to use auto-layout to move other views when a view is hidden?
...ignable subclass of UILabel (to ensure consistency in colour, font, insets etc.) and I have implemented something like the following:
override func intrinsicContentSize() -> CGSize {
if hidden {
return CGSizeZero
} else {
return super.intrinsicContentSize()
}
}
This...
How to set caret(cursor) position in contenteditable element (div)?
...haracter of the second line of text, you'd do the following:
function setCaret() {
var el = document.getElementById("editable")
var range = document.createRange()
var sel = window.getSelection()
range.setStart(el.childNodes[2], 5)
range.collapse(true)
sel.remove...