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How to update npm
I'm trying to install mean.io boilerplate. It fails when running sudo npm install -g meanio@latest . Prior to failing it notes that it 'wants' npm version 1.4.x, whereas I have 1.2.18 installed. So I tried updating npm to the latest; several ways. Last of which was...
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How do you calculate log base 2 in Java for integers?
... = pow(base, pow);
if (pow != log(x, base))
System.out.println(String.format("error at %d^%d", base, pow));
if(pow!=0 && (pow-1) != log(x-1, base))
System.out.println(String.format("error at %d^%d-1", base, pow));
}
public static void main(String[] args) {
for (i...
How to detect Windows 64-bit platform with .NET?
...ntion = CallingConvention.Winapi)]
public extern static IntPtr LoadLibrary(string libraryName);
[DllImport("kernel32", SetLastError = true, CallingConvention = CallingConvention.Winapi)]
public extern static IntPtr GetProcAddress(IntPtr hwnd, string procedureName);
private delegate bool IsWow64Pro...
Setting HTTP headers
...is now:
func saveHandler(w http.ResponseWriter, r *http.Request) {
// allow cross domain AJAX requests
w.Header().Set("Access-Control-Allow-Origin", "*")
}
Maybe this will help someone as caffeine deprived as myself sometime :)
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Delete all files in directory (but not directory) - one liner solution
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public class DeleteFile {
public static void main(String[] args) {
String path="D:\test";
File file = new File(path);
File[] files = file.listFiles();
for (File f:files)
{if (f.isFile() && f.exists)
{ f.delete()...
Reference: Comparing PHP's print and echo
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evaluates its single argument e and type-casts the resulting value to a string s. (Thus, print e is equivalent to print (string) e.)
Streams the string s to the output buffer (which eventually will be streamed to the standard output).
Evaluates to the integer 1.
Differences at the bytecode leve...
SQL WITH clause example [duplicate]
...roduced by Oracle in the Oracle 9i release 2 database. The SQL WITH clause allows you to give a sub-query block a name (a process also called sub-query refactoring), which can be referenced in several places within the main SQL query. The name assigned to the sub-query is treated as though it was an...
How to merge images in command line? [closed]
...g lots of PNGs means to decode them (to a pixmap) for the operation and finally encode them again. If you want to extend an existing sprite very often, then maybe keeping the decoded pixmap versions can speed up things. See my answer for doing it using the PNM tools to achieve this operation. But...
What is the difference between MySQL, MySQLi and PDO? [closed]
...ocedural style and the OO one with mysqli.
– Patrick Allaert
Jun 19 '10 at 9:31
@Patrick, thanks. I've corrected this...
Why am I getting error for apple-touch-icon-precomposed.png
...means the configured web document-root directory, e.g. in Apache 2.4 it usually /var/www/htdocs
– Hgehlhausen
Dec 14 '16 at 19:40
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