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Why does Razor _layout.cshtml have a leading underscore in file name?
...ving standard files never shared is essential as with current *.config, APP_Code and APP_Data directories. But this logic should sit in a config file somewhere (machine config as default) so it can be overridden. Also these default names of common pages should be configurable (Layout/Error/etc...).
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用App Inventor 2做扫描仪App？从拍照到展示，手把手教你搭一套完整相机功...
...位址赋值给Image1.图片
核心积木拼法如下：
当 按钮_拍照.被点击 执行
调用 Camera1.拍照()
当 Camera1.拍摄完成(图像位址) 执行
设 图像_预览.图片 为 图像位址
设 标签_状态.文本 为 "照片已拍...
How to create an array containing 1…N
...y from(), with an object with a length property:
Array.from({length: 10}, (_, i) => i + 1)
//=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
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How do you create nested dict in Python?
...he following:
d = {} # can use defaultdict(dict) instead
for row in file_map:
# derive row key from something
# when using defaultdict, we can skip the next step creating a dictionary on row_key
d[row_key] = {}
for idx, col in enumerate(row):
d[row_key][idx] = col
Ac...
Find a value in an array of objects in Javascript [duplicate]
...
You can loop over the array and test for that property:
function search(nameKey, myArray){
for (var i=0; i < myArray.length; i++) {
if (myArray[i].name === nameKey) {
return myArray[i];
}
}
}
var array = [
{ name...
iPad/iPhone hover problem causes the user to double click a link
...
Haven't tested this fully but since iOS fires touch events, this could work, assuming you are in a jQuery setting.
$('a').on('click touchend', function(e) {
var el = $(this);
var link = el.attr('href');
window.location =...
Exit codes in Python
... if you read 0, it returned without an error. The idea is to have standard tests. If the code xyz.py did not encounter any error, it SHOULD return 0!
– Bruno von Paris
Oct 15 '12 at 9:20
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ElasticSearch: Unassigned Shards, how to fix?
...enable shard allocation.
# v0.90.x and earlier
curl -XPUT 'localhost:9200/_settings' -d '{
"index.routing.allocation.disable_allocation": false
}'
# v1.0+
curl -XPUT 'localhost:9200/_cluster/settings' -d '{
"transient" : {
"cluster.routing.allocation.enable" : "all"
}
}'
Elas...
Why should I care about lightweight vs. annotated tags?
...e only other thing I can think of is some sort of stamp of approval from a test suite. Have a look at git.git's tags: they all just say something like "Git 1.7.3 rc1"; all we really care about is Junio Hamano's name on them.
However, for less obviously named tags, the message could become much more...
Flask-SQLalchemy update a row's information
...itself. Then, db.session.commit().
For example:
admin = User.query.filter_by(username='admin').first()
admin.email = 'my_new_email@example.com'
db.session.commit()
user = User.query.get(5)
user.name = 'New Name'
db.session.commit()
Flask-SQLAlchemy is based on SQLAlchemy, so be sure to check ou...