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java: (String[])List.toArray() gives ClassCastException
...time and so it can't determine what type of array to create.
use
toArray(new String[v2.size()]);
which allocates the right kind of array (String[] and of the right size)
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base64 encoded images in email signatures
...rt/alternative, multipart/related example as an mbox file (save as windows newline format and put a blank line at the end. And, use no extension or the .mbs extension):
From
From: from@example.com
To: to@example.com
Subject: HTML Messages with Embedded Pic in Signature
MIME-Version: 1.0
Content-Ty...
Difference in make_shared and normal shared_ptr in C++
...pace necessary for both the control block and the data. In the other case, new Obj("foo") invokes a heap-allocation for the managed data and the std::shared_ptr constructor performs another one for the control block.
For further information, check out the implementation notes at cppreference.
Upda...
Parsing JSON using Json.net
...blic int y { get; set; }
}
public class Foo
{
public Foo() { objects = new List<SubObject>(); }
public string displayFieldName { get; set; }
public NameTypePair fieldAliases { get; set; }
public PositionType positionType { get; set; }
public Ref reference { get; set; }
...
Why do we have to specify FromBody and FromUri?
...mitive types (int, bool, double, and so forth), plus TimeSpan, DateTime, Guid, decimal, and string, plus any type with a type converter that can convert from a string.
For complex types, Web API tries to read the value from the message body, using a media-type formatter.
So, if you want to overrid...
Upload files with HTTPWebrequest (multipart/form-data)
...rite(headerbytes, 0, headerbytes.Length);
FileStream fileStream = new FileStream(file, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[4096];
int bytesRead = 0;
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0) {
rs.Write(buff...
How to force the browser to reload cached CSS/JS files?
..., but when you make any changes to your CSS the browser will see this as a new URL, so it won't use the cached copy.
This can also work with images, favicons, and JavaScript. Basically anything that is not dynamically generated.
...
Javascript parseInt() with leading zeros
... answered Jan 6 '12 at 19:34
WayneWayne
55.3k1313 gold badges120120 silver badges118118 bronze badges
...
limiting java ssl debug logging
... you are not setting it properly and, if so, you should definitively ask a new question so we can help you out :)
– Alfabravo
Jul 26 '18 at 23:15
...
Delete last commit in bitbucket
... mercurial:
hg backout <REV>
EDIT:
The revert operation creates a new commit that does the opposite than the reverted commit (e.g. if the original commit added a line, the revert commit deletes that line), effectively removing the changes of the undesired commit without rewriting the reposi...