大约有 47,000 项符合查询结果（耗时：0.0438秒） [XML]
Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
... out that this answer is slightly misleading. When extracting ints or std::strings or similar, the EOF bit is set when you extract the one right before the end and the extraction hits the end. You do not need to read again. The reason it doesn't get set when reading from files is because there's an ...
How to find unused images in an Xcode project?
...ed with @2x they will list as unused. You can get rid of that by adding an extra if-statement: if [[ "$name" != @2x ]]; then
– Sten
Jul 3 '13 at 9:49
3
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Split array into chunks
...
The array.slice method can extract a slice from the beginning, middle, or end of an array for whatever purposes you require, without changing the original array.
var i,j,temparray,chunk = 10;
for (i=0,j=array.length; i<j; i+=chunk) {
temparray ...
How do I clone a Django model instance object and save it to the database?
...harm. I thought about the model_to_dict solution below, but it requires an extra step and it would have the same issue with the through relations, which I have to deal manually anyway so it has no major impact for me.
– Anderson Santos
Aug 18 '16 at 14:18
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What's the yield keyword in JavaScript?
...n
You have this end }) which you need to keep track of everywhere
All this extra function (err, result) jargon
Not exactly clear that you're doing this to assign a value to result
On the other hand, with yield, all of this can be done in one line with the help of the nice co-routine framework.
fu...
How to check the version before installing a package using apt-get?
...ing dependency tree
Reading state information... Done
The following extra packages will be installed:
libjemalloc1 redis-tools
The following NEW packages will be installed:
libjemalloc1 redis-server redis-tools
0 upgraded, 3 newly installed, 0 to remove and 3 not upgraded.
Inst libjemallo...
RandomForestClassifier vs ExtraTreesClassifier in scikit learn
Can anyone explain the difference between the RandomForestClassifier and ExtraTreesClassifier in scikit learn. I've spent a good bit of time reading the paper:
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Get all directories within directory nodejs
....10.0+
We can use the new withFileTypes option of readdirSync to skip the extra lstatSync call:
const { readdirSync } = require('fs')
const getDirectories = source =>
readdirSync(source, { withFileTypes: true })
.filter(dirent => dirent.isDirectory())
.map(dirent => dirent.name...
How to get the first five character of a String
I have read this question to get first char of the string. Is there a way to get the first n number of characters from a string in C#?
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What is Node.js? [closed]
... the client and server, and (c) re-use my own and others' JS libraries for string handling ...etc.
– Antony Quinn
Mar 20 '12 at 11:57
4
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