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How to avoid warning when introducing NAs by coercion
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Is Java Regex Thread Safe?
...= email_pattern.matcher(email);
return matcher.matches();
}
}
see http://zoomicon.wordpress.com/2012/06/01/validating-e-mails-using-regular-expressions-in-java/ (near the end) regarding the RegEx pattern used above for validating e-mails (in case it doesn't fit ones needs for e-mail validat...
Programmatically get the version number of a DLL
... "Version number: " + myFileVersionInfo.FileVersion);
From: http://msdn.microsoft.com/en-us/library/system.diagnostics.fileversioninfo.fileversion.aspx
original source
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Using R to download zipped data file, extract, and import data
...ple, but this is simpler) looks like
temp <- tempfile()
download.file("http://www.newcl.org/data/zipfiles/a1.zip",temp)
data <- read.table(unz(temp, "a1.dat"))
unlink(temp)
Compressed (.z) or gzipped (.gz) or bzip2ed (.bz2) files are just the file and those you can read directly from a conn...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...the max heap size can be higher, approaching 4G on many Solaris systems.
(http://www.oracle.com/technetwork/java/hotspotfaq-138619.html#gc_heap_32bit)
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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
...pty : str;
// then concatenate that string array
(MSDN mentions it, too: http://msdn.microsoft.com/en-us/library/k9c94ey1.aspx)
On the other hand, ToString() is an instance method, which you cannot call on null (what type should be used for null?).
...
Get file version in PowerShell
...($_).FileVersion }
Or even nicer as a script: https://jtruher3.wordpress.com/2006/05/14/powershell-and-file-version-information/
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How to write a cron that will run a script every day at midnight?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
node.js require all files in a folder?
...r; if there is one, it uses that, and if there isn't, it fails. See github.com/christkv/node-mongodb-native for a real-world example of this: There's an index.js in the root directory that requires ./lib/mongodb, a directory; ./lib/mongodb/index.js' makes everything else in that directory available....
How to add images in select list?
... iconselect.js; Icon/image select (combobox, dropdown)
Demo and download; http://bug7a.github.io/iconselect.js/
HTML usage;
<div id="my-icon-select"></div>
Javascript usage;
var iconSelect;
window.onload = function(){
iconSelect = new IconSelect("my-icon-select"...