大约有 40,000 项符合查询结果（耗时：0.0502秒） [XML]
How can I check for Python version in a program that uses new language features?
...
Try
import platform
platform.python_version()
Should give you a string like "2.3.1". If this is not exactly waht you want there is a rich set of data available through the "platform" build-in. What you want should be in there somewhere.
...
What is an idiomatic way of representing enums in Go?
...
A very simple way to create an object that starts to look and feel like a string enum in Python would be:
package main
import (
"fmt"
)
var Colors = newColorRegistry()
func newColorRegistry() *colorRegistry {
return &colorRegistry{
Red: "red",
Green: "green",
...
Determine project root from a running node.js application
...re('path');
var globalRoot = __dirname; //(you may have to do some substring processing if the first script you run is not in the project root, since __dirname refers to the directory that the file is in for which __dirname is called in.)
//compare the last directory in the globalRoot path...
How to read contacts on Android 2.0
...ts.CONTENT_URI,null, null, null, null);
while (cursor.moveToNext()) {
String contactId = cursor.getString(cursor.getColumnIndex(
ContactsContract.Contacts._ID));
String hasPhone = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER));
if (Boolean.parseB...
How to get result of console.trace() as string in javascript with chrome or firefox?
...ole.trace() outputs its result on console.
I want to get the results as string and save them to a file.
I don't define names for functions and I also can not get their names with callee.caller.name .
...
Underscore: sortBy() based on multiple attributes
...s solution ended up using the second one since my attributes could be both strings and numbers. So there doesn't seem to be a simple native way to sort arrays?
– Christian R
May 11 '13 at 11:00
...
When is it acceptable to call GC.Collect?
...h to be posted here for example), that shows the difference between looped string concatenation and StringBuilder.
If I need something precise, then this would be two completely independent tests - but often this is enough if we just want to minimize (or normalize) the GC during the tests to get a ...
Servlet for serving static content
...tRequest wrapped = new HttpServletRequestWrapper(req) {
public String getServletPath() { return ""; }
};
rd.forward(wrapped, resp);
}
}
share
|
improve this answer
...
Finding Variable Type in JavaScript
...
Use typeof:
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"
So you can do:
if(typeof bar === 'number') {
//whatever
}
Be careful though if you define these primitives with their object wrappers (which you should never ...
Converting string to Date and DateTime
If I have a PHP string in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and then a DateTime in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot.
...