大约有 16,000 项符合查询结果(耗时:0.0230秒) [XML]
创业公司倒闭大潮 教你正确烧钱速度? - 资讯 - 清泛网 - 专注C/C++及内核技术
...:月净现金消耗量只有10万,却希望融600-800万。我第一个问题就会问:
“老兄,请问如果你每月只烧10万,到底为什么你要融这么多钱?”
不管他们背地里在想什么,我最后听到的答案通常是:因为我办得到。
但“我办得到...
node.js hash string?
...t the issue with : sha256("\xac"), "\xd1", "\xb9", "\xe2", "\xbb", "\x93", etc...
Other languages (like PHP, Python, Perl...) and my solution with .update(data, "binary") :
sha1("\xac") //39527c59247a39d18ad48b9947ea738396a3bc47
Nodejs by default (without binary) :
sha1("\xac") //f50eb35d94f1...
使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...
use admin
db.shutdownServer()
有任何关于MongoDB/TokuMX方面的问题,欢迎回复评论。集群 TokuMX MongoDB
For..In loops in JavaScript - key value pairs
...rget is array you'll get a lot of methods alerted, e.g. indexOf, push, pop,etc.)
share
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App Launcher 应用启动器扩展:用于启动其他应用程序的强大工具,支持独立...
...
2.2 (2021-05-12)
解决了Android 10设备和小米设备的问题(见说明)添加属性:CanDrawOverlays、CanLaunchFromBackground、CurrentLanguage、IsXiaomi、Manufacturer、PermissionDelay、VersionName、VersionSDK添加方法:CheckBackgroundLaunchPermission、LaunchAppF...
Python + Django page redirect
... patterns('',
(r'^one/$', redirect_to, {'url': '/another/'}),
#etc...
)
There is more in the generic views documentation.
Credit - Carles Barrobés.
Update #2: Django 1.3+
In Django 1.5 redirect_to no longer exists and has been replaced by RedirectView. Credit to Yonatan
from django...
MySQL vs MongoDB 1000 reads
... to perform:
One index lookup on the collection (assuming the entity is fetched by id)
Retrieve the contents of one database page (the actual binary json document)
So a b-tree lookup, and a binary page read. Log(n) + 1 IOs. If the indexes can reside entirely in memory, then 1 IO.
In MySQL with ...
“Variable” variables in Javascript?
... array could be defined automatically via an input, database query, event, etc.
elements.forEach( (element) => {
elementIds[element] = document.getElementById(element);
});
This example declares variable variables (keys in elementIds) based on the ID of each element,...
ImageView 扩展:图片查看器扩展,支持缩放、双击缩放和动画缩放 · App In...
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手势识别
图片加载
常见问题
Q: 如何设置初始缩放比例?
Q: 支持哪些图片格式?
Q: 如何处理图片加载失败?
Q: 缩放操作会影响性能吗?
Q: 可以同时使...
What is the difference between the | and || or operators?
... know what that is. It's used in conditional statements such as if, while, etc.
condition1 || condition2
Evaluates to true if either condition1 OR condition2 is true.
| is the bitwise OR operator. It's used to operate on two numbers. You look at each bit of each number individually and, if one o...
