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Measure execution time for a Java method [duplicate]
...th System.currentTimeMillis()
class TimeTest1 {
public static void main(String[] args) {
long startTime = System.currentTimeMillis();
long total = 0;
for (int i = 0; i < 10000000; i++) {
total += i;
}
long stopTime = System.currentTimeMillis();
l...
req.body empty on posts
...er parameters:
Content-Type: application/json
Also, be sure to wrap any strings used as keys/values in your JSON payload in double quotes.
The body-parser package will parse multi-line raw JSON payloads just fine.
{
"foo": "bar"
}
Tested in Chrome v37 and v41 with the Postman v0.8.4.13 e...
MySQL and GROUP_CONCAT() maximum length
...g GROUP_CONCAT() in a MySQL query to convert multiple rows into a single string.
However, the maximum length of the result of this function is 1024 characters.
...
Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
...explanation but in some cases you might want to get 'nothing' in the query string when the ckecbox is not checked - so the default behaviour. Is this possible using the Html helper or do I have to simply use the <input> tag.
– Maksymilian Majer
Jun 21 '10...
OAuth secrets in mobile apps
When using the OAuth protocol, you need a secret string obtained from the service you want to delegate to. If you are doing this in a web app, you can simply store the secret in your data base or on the file system, but what is the best way to handle it in a mobile app (or a desktop app for that mat...
How can I recursively find all files in current and subfolders based on wildcard matching?
...y wildcard matching.
For example, to find all files with case insensitive string "foo" in the filename:
~$ find . -print | grep -i foo
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EF5: Cannot attach the file ‘{0}' as database '{1}'
...to use local server:
I changed the DataSource attribute in the connection string from:
Data Source=(LocalDb)\v11.0;blah
To:
Data Source=.\SQLEXPRESS;blah
Another solution is login to LocalDb via SQL Management Studio, and try to delete that database:
However it didn't work for me, when I t...
Covariance and contravariance real world example
...ariance in Generics on MSDN.
Classes:
public class Person
{
public string Name { get; set; }
}
public class Teacher : Person { }
public class MailingList
{
public void Add(IEnumerable<out Person> people) { ... }
}
public class School
{
public IEnumerable<Teacher> Get...
How do I convert an HttpRequestBase into an HttpRequest object?
...te list of restricted headers.
*/
private static readonly string[] RestrictedHeaders = new string[] { "Accept", "Connection", "Content-Length", "Content-Type", "Date", "Expect", "Host", "If-Modified-Since", "Range", "Referer", "Transfer-Encoding", "User-Agent", "Proxy-Connection" };...
Batch: Remove file extension
... by the search,
this modifier expands to the empty string.
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