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Repeating characters in VIM insert mode
...this sequence works:
Ctrl+o 80i- Esc
Ctrl+o is used to issue normal commands without leaving INSERT mode,
80 the repetition,
i to insert,
- the character you want to insert,
Esc to leave INSERT mode.
Another one without EVER leaving INSERT mode:
Ctrl+o :norm 8ia Return
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Get element from within an iFrame
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var innerDoc = iframe.contentDocument || iframe.contentWindow.document;
and the first valid inner doc will be returned.
Once you get the inner doc, you can just access its internals the same way as you would access any element on your current page. (innerDoc.getElementById...etc.)
IMPORTANT: Ma...
Best approach to converting Boolean object to string in java
... not null you can use third option which is
String str3 = b.toString();
and its code looks like
public String toString() {
return value ? "true" : "false";
}
If you want to be null-safe use String.valueOf(b) which code looks like
public static String valueOf(Object obj) {
return (ob...
Formatting text in a TextBlock
...can help you, for the simplest formatting options you can use Bold, Italic and Underline:
<TextBlock>
Sample text with <Bold>bold</Bold>, <Italic>italic</Italic> and <Underline>underlined</Underline> words.
</TextBlock>
I think it is worth not...
Rails and PostgreSQL: Role postgres does not exist
I have installed PostgreSQL on my Mac OS Lion, and am working on a rails app. I use RVM to keep everything separate from my other Rails apps.
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BLE 低功耗蓝牙调试助手：扫描、连接、读写、订阅通知（附 .aia 源码） · ...
...伴侣或编译安装到手机，首次扫描时允许「附近设备」（Android 12+）或「位置信息」权限。
扫描：点「开始扫描」，15 秒后自动停止。附近设备按信号强弱排序，没有名字的显示为「（未命名设备）」。
中途验证：列表里应...
Dynamic instantiation from string name of a class in dynamically imported module?
...tlib.import_module will load the .py file into a pyc if needed as well as handle the complete module.name.pathing.to.get.to.the class. __import__ will not do either of these things, in a django environment (not tested outside of this)
– James
Mar 11 '17 at 2:05...
how to use #ifdef with an OR condition?
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Like this
#if defined(LINUX) || defined(ANDROID)
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Get table names using SELECT statement in MySQL
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@MuriloGarcia information_schema is part of the SQL standard. Postgres has it as well. For SQLite, you look in sqlite_master
– peterchaula
Jan 7 '17 at 12:55
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No provider for “framework:jasmine”! (Resolving: framework:jasmine)
When I run the command grunt I get the following warning:
6 Answers
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