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How to get names of classes inside a jar file?
...ava classes contained inside a jar file at /path/to/jar/file.jar.
List<String> classNames = new ArrayList<String>();
ZipInputStream zip = new ZipInputStream(new FileInputStream("/path/to/jar/file.jar"));
for (ZipEntry entry = zip.getNextEntry(); entry != null; entry = zip.getNextEntry()...
Join an Array in Objective-C
I'm looking for a method of turning a NSMutableArray into a string. Is there anything on a par with this Ruby array method?
...
How to find out if an item is present in a std::vector?
...
In C++11 you can use any_of. For example if it is a vector<string> v; then:
if (any_of(v.begin(), v.end(), bind(equal_to<string>(), _1, item)))
do_this();
else
do_that();
Alternatively, use a lambda:
if (any_of(v.begin(), v.end(), [&](const std::string& ele...
System.Security.SecurityException when writing to Event Log
...ministrator.
A common example for a C# Program logging into EventLog is:
string sSource;
string sLog;
string sEvent;
sSource = "dotNET Sample App";
sLog = "Application";
sEvent = "Sample Event";
if (!EventLog.SourceExists(sSource))
EventLog.CreateEventSource(sSource, sLog);
EventLog.WriteEn...
Is there a foreach loop in Go?
...t with a "range" clause iterates through all entries
of an array, slice, string or map, or values received on a channel.
For each entry it assigns iteration values to corresponding iteration
variables and then executes the block.
As an example:
for index, element := range someSlice {
//...
Cannot overwrite model once compiled Mongoose
...se');
var Schema = mongoose.Schema;
var userSchema = new Schema({
name:String,
email:String,
password:String,
phone:Number,
_enabled:Boolean
});
module.exports = mongoose.model('users', userSchema);
check.js
var mongoose = require('mongoose');
var User = require('./user_...
Why do people still use primitive types in Java?
...ry objects", he posts the following code example:
public static void main(String[] args) {
Long sum = 0L; // uses Long, not long
for (long i = 0; i <= Integer.MAX_VALUE; i++) {
sum += i;
}
System.out.println(sum);
}
and it takes 43 seconds to run. Taking the Long into t...
What is Python used for? [closed]
... the integer 5. Later, a = "hello" makes the variable name a to refer to a string containing "hello". Static typed languages would have you declare int a and then a = 5, but assigning a = "hello" would have been a compile time error. On one hand, this makes everything more unpredictable (you don't k...
Handle ModelState Validation in ASP.NET Web API
...BaseApiController or something like that
var errors = new List<string>();
foreach (var state in ModelState)
{
foreach (var error in state.Value.Errors)
{
errors.Add(error.ErrorMessage);
}
}
return Requ...
How should I validate an e-mail address?
... ")+"
);
You can use function
private boolean checkEmail(String email) {
return EMAIL_ADDRESS_PATTERN.matcher(email).matches();
}
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