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How do you use the ? : (conditional) operator in JavaScript?
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This is a one-line shorthand for an if-else statement. It's called the conditional operator.1
Here is an example of code that could be shortened with the conditional operator:
var userType;
if (userIsYoungerThan18) {
userType = "Minor";
} else {
userType = "Adult";
}
if (userIsY...
Get a list of resources from classpath directory
I am looking for a way to get a list of all resource names from a given classpath directory, something like a method List<String> getResourceNames (String directoryName) .
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SQLite error 'attempt to write a readonly database' during insert?
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Also, SELinux (if installed) must not be enforcing. Took me a day and a half to figure that one out.
– Steve V.
Dec 19 '10 at 8:31
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onclick open window and specific size
...@IdhamChoudry Just remove the width/height properties and it will automatically take all the available space. I believe setting width=100vw, height=100vh would work too.
– Vadorequest
Mar 14 '17 at 10:44
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How to interpolate variables in strings in JavaScript, without concatenation?
I know in PHP we can do something like this:
16 Answers
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
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来自中文网文档：https://www.fun123.cn/reference/iot/ble.html
可以获得到广播数据吗?可以获...
Deleting Row in SQLite in Android
...ike prepared statements in SQLite? I have used this id=? kinda syntax with PHP before and it seems very similar to that.
– GeekWithGlasses
Nov 12 '18 at 7:00
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比尔盖茨“未来生活预言”的科技豪宅（图） - 资讯 - 清泛网 - 专注C/C++及内核技术
...、中东石油大王，俄罗斯能源寡头……只要是钱能解决的问题，以上这些人都能解决。但世界上总也一些事是无法用钱来解决的，比如说知识，比如说艺术。
比尔·盖茨最自豪的还是他的私人图书馆，这是一座圆顶建筑，...
How can I close a buffer without closing the window?
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I messed with this a bit and finally came up with:
:bp | sp | bn | bd
Here's the copy/paste version for key mapping:
:bp<bar>sp<bar>bn<bar>bd<CR>
I've tested it a fair bit and it works consistently in various conditions. When ...
How can one see the structure of a table in SQLite? [duplicate]
...m_todo_index ON alarms(todo);
Note also that SQLite saves the schema and all information about tables in the database itself, in a magic table named sqlite_master, and it's also possible to execute normal SQL queries against that table. For example, the documentation link above shows how to derive...