大约有 44,000 项符合查询结果(耗时:0.0990秒) [XML]
Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
...he primitive type from the getter. Ex:
private Integer num;
public void setNum(Integer i) {
this.num = i;
}
public int getNum() {
return this.num;
}
But in most cases you will want to return the wrapper class.
So either set your DB column to not allow nulls, or use a wrapper ...
How do you install ssh-copy-id on a Mac?
I am having trouble trying to install ssh-copy-id on my Mac. I have tried to follow https://github.com/beautifulcode/ssh-copy-id-for-OSX but every time I run ssh-copy-id it gives me errors. Any ideas on how to get ssh-copy-id to install?
...
remove objects from array by object property
... i++) {
var obj = arrayOfObjects[i];
if (listToDelete.indexOf(obj.id) !== -1) {
arrayOfObjects.splice(i, 1);
}
}
All you need to do to fix the bug is decrement i for the next time around, then (and looping backwards is also an option):
for (var i = 0; i < arrayOfObjects.le...
How to break a line of chained methods in Python?
...l parenthesis:
subkeyword = (
Session.query(Subkeyword.subkeyword_id, Subkeyword.subkeyword_word)
.filter_by(subkeyword_company_id=self.e_company_id)
.filter_by(subkeyword_word=subkeyword_word)
.filter_by(subkeyword_active=True)
.one()
)
...
GCM with PHP (Google Cloud Messaging)
...
This code will send a GCM message to multiple registration IDs via PHP CURL.
// Payload data you want to send to Android device(s)
// (it will be accessible via intent extras)
$data = array('message' => 'Hello World!');
// The recipient registration tokens for this notifica...
How do I get Windows to go as fast as Linux for compiling C++?
...ss to Windows source code, it is rarely taken advantage of). Look at this selection of Unix-related performance papers: http://www.eecs.harvard.edu/margo/papers/ or look up the history of papers by Osterhaus, Henry Spencer, or others. Heck, one of the biggest (and most enjoyable to watch) debates i...
Android read text raw resource file
...ered Apr 15 '11 at 11:22
VovodroidVovodroid
1,66922 gold badges1010 silver badges22 bronze badges
...
In CSS what is the difference between “.” and “#” when declaring a set of styles?
...yles for an element and what are the semantics that come into play when deciding which one to use?
9 Answers
...
View/edit ID3 data for MP3 files
What's a quick and easy way to view and edit ID3 tags (artist, album, etc.) using C#?
6 Answers
...
Show and hide a View with a slide up/down animation
I have a LinearLayout that I want to show or hide with an Animation that pushes the layout upwards or downwards whenever I change its visibility.
...