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Execute a command line binary with Node.js
... use child_process.exec:
const { exec } = require('child_process');
exec('cat *.js bad_file | wc -l', (err, stdout, stderr) => {
if (err) {
// node couldn't execute the command
return;
}
// the *entire* stdout and stderr (buffered)
console.log(`stdout: ${stdout}`);
console.log...
What is “missing” in the Visual Studio 2008 Express Editions?
...Integration
Spy++
Team Explorer Integration
Team Foundation Server Client Access License
Visual Studio 2008 Image Library
Add-Ins/Macro Security options
Visual Studio Settings
Class Designer
Encapsulate Field Refactoring
Extract Interface Refactoring
Promote Local Variable to Parameter Refactoring
R...
How to create Java gradle project
...2016-11-22 15:19:54 UTC
Revision: 83b485b914fd4f335ad0e66af9d14aad458d2cc5
Groovy: 2.4.7
Ant: Apache Ant(TM) version 1.9.6 compiled on June 29 2015
JVM: 1.8.0_112 (Oracle Corporation 25.112-b15)
OS: Windows 10 10.0 amd64
On windows 10 with Java Version:
C:...
To find whether a column exists in data frame or not
...eck is "d", you can use the %in% operator:
if("d" %in% colnames(dat))
{
cat("Yep, it's in there!\n");
}
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How to reset a timer in C#?
...
@Matthew: See msdn.microsoft.com/en-us/magazine/cc164015.aspx for a discussion of the various timer classes and when using them is appropriate. In general, though, Forms.Timer should only be used with a GUI. However, besides Forms.Timer and Threading.Timer there is also ...
Hide options in a select list using jQuery
...y expecting variable interpolation. Try this:
$("#edit-field-service-sub-cat-value option[value=" + title + "]").hide();
Note that this will probably break in various hideous ways if title contains jQuery selector metacharacters.
...
How to check if smtp is working from commandline (Linux) [closed]
...
[root@piwik-dev tmp]# mail -v root@localhost
Subject: Test
Hello world
Cc: <Ctrl+D>
root@localhost... Connecting to [127.0.0.1] via relay...
220 piwik-dev.example.com ESMTP Sendmail 8.13.8/8.13.8; Thu, 23 Aug 2012 10:49:40 -0400
>>> EHLO piwik-dev.example.com
250-piwik-dev.examp...
Can you make valid Makefiles without tab characters?
...rt of the syntax of Makefiles. All command lines (the lines beginning with cc in our example) must start with tabs. After he made his change, line 2 didn’t, hence the error.
“So what?” you ask, “What’s wrong with that?”
There is nothing wrong with it, by itself. It’s just tha...
“You have mail” message in terminal, os X [closed]
...) made a change to the OS X system to start presenting Terminal bash notifications. Prior to that, it appears Wordpress had attempted to use the Local Mail system to send a message. The message bounced, due to it having an invalid Recipient address. The bounced message then ended up in the local sys...
Tricks to manage the available memory in an R session
...s(Mayo, 4) +
rcs(PrCr.rat, 3) + rbc.cat * Sex,
data = subset(set1HLI, gdlab2 & HIVfinal == "Negative",
select = c("surv.yr", "death", "PrCr.rat", "Mayo",
"age", "Sex", "nsmkr", "rbc.c...