大约有 40,000 项符合查询结果（耗时：0.0500秒） [XML]
How to add a primary key to a MySQL table?
...
How to get a first place to new 'id' column
– TipVisor
Mar 23 at 15:59
add a comment
|
...
Where do I set my company name?
When creating new source files xcode adds comments with your name and company name.
14 Answers
...
How can I convert an image into a Base64 string?
...tmapFactory.decodeFile("/path/to/image.jpg");
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.JPEG, 100, baos); // bm is the bitmap object
byte[] b = baos.toByteArray();
* Update *
If you're using an older SDK library (because you want it to work on pho...
Returning IEnumerable vs. IQueryable
...rver profiler....
When we run the following code:
MarketDevEntities db = new MarketDevEntities();
IEnumerable<WebLog> first = db.WebLogs;
var second = first.Where(c => c.DurationSeconds > 10);
var third = second.Where(c => c.WebLogID > 100);
var result = third.Where(c => c.Em...
Android: ProgressDialog.show() crashes with getApplicationContext
...actually done being built. This is going to be a hack, but try launching a new Thread in a few hundred milliseconds (IIRC: 300-400 seemed to work for me, but you'll need to tinker) that opens your ProgressDialog and starts anything else you needed (eg. network IO). Something like this:
@Override
pu...
View more than one project/solution in Visual Studio
I am new to visual studio and I am experimenting around with some Windows Services. I have created two solutions and I would like to view both of them at once. Without having to click file->recent projects to switch back and forth.
...
Renaming a branch in GitHub
...cessary:
git push origin :name_of_the_old_branch_on_github
git push origin new_name_of_the_branch_that_is_local
Dissecting the commands a bit, the git push command is essentially:
git push <remote> <local_branch>:<remote_branch>
So doing a push with no local_branch specified esse...
How do you version your database schema? [closed]
...he migration script runs whenever the production code is updated and after new installs.
When I would like to drop something, I do it by removing them from the database install script and the migration script so these obsolete schema elements will be gradually phased out in new installs. With the d...
Creation timestamp and last update timestamp with Hibernate and MySQL
...e Date updated;
@PrePersist
protected void onCreate() {
created = new Date();
}
@PreUpdate
protected void onUpdate() {
updated = new Date();
}
}
or you can use the @EntityListener annotation on the class and place the event code in an external class.
...
How can I show dots (“…”) in a span with hidden overflow?
...
answered Jul 11 '12 at 5:51
sandeepsandeep
83.4k2323 gold badges127127 silver badges149149 bronze badges
...