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is node.js' console.log asynchronous?
...teStream(fd);
} else if (binding.isStdoutBlocking()) { // a file?
stdout = new fs.WriteStream(null, {fd: fd});
} else {
stdout = new net.Stream(fd); // a stream?
// For example: node foo.js > ...
How do I list loaded plugins in Vim?
...tMate style. The added benefit is that it shows plugin commands, mappings, files, and other bits and pieces.
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What is the closest thing Windows has to fork()?
...eter must be a handle of the SEC_IMAGE section object created on
the EXE file before calling ZwCreateProcess().
Though note that Corinna Vinschen indicates that Cygwin found using ZwCreateProcess() still unreliable:
Iker Arizmendi wrote:
> Because the Cygwin project relied solely on...
jQuery/JavaScript: accessing contents of an iframe
...iframe_page.php
<?php
$URL = "http://external.com";
$domain = file_get_contents($URL);
echo $domain;
?>
Then something like this:
display_page.html
<html>
<head>
<title>Test</title>
</head>
<script type="text/javascript" src="http://ajax...
Possible to perform cross-database queries with PostgreSQL?
...appers for other popular data sources. At this time, only postgres_fdw and file_fdw are part of the official Postgres distribution.
For Postgres versions before 9.3
Versions this old are no longer supported, but if you need to do this in a pre-2013 Postgres installation, there is a function called...
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...
console.log(channel + ": " + message);
});
...put that in a pubsub.js file and run node pubsub.js
in redis-cli:
redis> publish pubsub "Hello Wonky!"
(integer) 1
which should display: pubsub: Hello Wonky! in the terminal running node!
Congrats!
Additional 4/23/2013: I also want to make n...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...本存成一个文件，用如下命令行来运行。>lua file.lua复制代码
或是像shell一样运行：chenhao-air:lua chenhao$ cat hello.lua
#!/usr/local/bin/lua
print("Hello, World")
chenhao-air:lua chenhao$ chmod +x hello.lua
chenhao-air:test chenhao$ ./hello.lua
Hel...
What is an Intent in Android?
...t like "take picture", you declare an intent filter in your app's manifest file.
If you want to fire off an intent to do something, like pop up the dialer, you fire off an intent saying you will.
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How to detect online/offline event cross-browser?
...well in Firefox and Opera with the
Work Offline option in the File menu.
Pulling the ethernet cable doesn't seem to trigger it.
Later Google Chrome and Safari seem to trigger it well
*/
window.addEventListener("online", isOnline, false);
w...
Subset of rows containing NA (missing) values in a chosen column of a data frame
We have a data frame from a CSV file. The data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data.
...