大约有 40,000 项符合查询结果（耗时：0.0581秒） [XML]
How do I specify unique constraint for multiple columns in MySQL?
... I wanted to mark this answer up as it does show you how to create a new table with a unique index where as jonstjohn's answer above tells you how to update an existing table. They do the same thing though just depends on if your creating a new table or updating an existing one. :)
...
Android: install .apk programmatically [duplicate]
...blem. I made mistake in setData(Uri) and setType(String).
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/download/" + "app.apk")), "application/vnd.android.package-archive");
intent.setFlags(Intent.FLAG_ACTIV...
Add icon to submit button in twitter bootstrap 2
...
There is a new way to do this with bootstrap 3:
<button type="button" class="btn btn-default btn-lg">
<span class="glyphicon glyphicon-star"></span> Star
</button>
It's on the bootstrap glyphicons page under...
How to convert TimeStamp to Date in Java?
...
Just make a new Date object with the stamp's getTime() value as a parameter.
Here's an example (I use an example timestamp of the current time):
Timestamp stamp = new Timestamp(System.currentTimeMillis());
Date date = new Date(stamp.ge...
How to convert a byte array to a hex string in Java?
...y();
public static String bytesToHex(byte[] bytes) {
char[] hexChars = new char[bytes.length * 2];
for (int j = 0; j < bytes.length; j++) {
int v = bytes[j] & 0xFF;
hexChars[j * 2] = HEX_ARRAY[v >>> 4];
hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
...
How to get share counts using graph API
...com/?fields=share&id=http://www.google.com . The problem is that these new endpoints are severely rate-limited and it's very hard to use them in production without encountering said limits. If somebody has a different way to do it please let us know.
– njy
...
What's the difference between nohup and ampersand
...l will terminate the sub-command with the hangup signal (kill -SIGHUP <pid>). This can be prevented using nohup, as it catches the signal and ignores it so that it never reaches the actual application.
In case you're using bash, you can use the command shopt | grep hupon to find out whether
...
How to escape indicator characters (i.e. : or - ) in YAML
...oor van de NIROM: Nederlands Indische
Radio Omroep
A pipe preserves newlines, a gt-sign turns all the following lines into one long string.
share
|
improve this answer
|
...
startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult
...(i, 1); instead of getActivity().startActivityForResult(i, 1);
Intent i = new Intent(getActivity(), SecondActivity.class);
i.putExtra("helloString", helloString);
this.startActivityForResult(i, 1);
Activity will send the Activity Result to your Fragment.
...
Using JSON.NET as the default JSON serializer in ASP.NET MVC 3 - is it possible?
...ollerContext context)
{
if (context == null)
throw new ArgumentNullException("context");
var response = context.HttpContext.Response;
response.ContentType = !String.IsNullOrEmpty(ContentType)
? ContentType
: "application/json";
...