大约有 40,000 项符合查询结果(耗时:0.0335秒) [XML]
How can I pass a Bitmap object from one activity to another
...mple code.
To store bitmap in a file myImage in internal storage:
public String createImageFromBitmap(Bitmap bitmap) {
String fileName = "myImage";//no .png or .jpg needed
try {
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat...
How to check if an int is a null
...o be able to be null, you need to use Integer instead of int.
Integer id;
String name;
public Integer getId() { return id; }
Besides the statement if(person.equals(null)) can't be true, because if person is null, then a NullPointerException will be thrown. So the correct expression is if (person...
How to render a DateTime in a specific format in ASP.NET MVC 3?
...ender it in a specific format - for example in the format which ToLongDateString() returns?
15 Answers
...
Composer killed while updating
...
DigitalOcean fix that does not require extra memory - activating swap, here is an example for 1gb:
in terminal run below
/bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
/sbin/mkswap /var/swap.1
sudo /sbin/swapon /var/swap.1
The above solution will work un...
Throw an error in a MySQL trigger
...st_ins before insert on trigger_test
for each row
begin
declare msg varchar(128);
if new.id < 0 then
set msg = concat('MyTriggerError: Trying to insert a negative value in trigger_test: ', cast(new.id as char));
signal sqlstate '45000' set message_text = msg;
end if;
e...
How to split a delimited string into an array in awk?
How to split the string when it contains pipe symbols | in it.
I want to split them to be in array.
9 Answers
...
Why does a base64 encoded string have an = sign at the end
...4 encoding in C#, however I have seen several times that when I convert a string into base64, there is an = at the end.
...
Setting environment variables for accessing in PHP when using Apache
...
in xampp on windows the file will be C:\xampp\apache\conf\extra\httpd-vhosts.conf
– Dung
Apr 3 '17 at 19:09
...
Ways to implement data versioning in MongoDB
...Mongoid has built in simple versioning
http://mongoid.org/en/mongoid/docs/extras.html#versioning
mongoid-history is a Ruby plugin that provides a significantly more complicated solution with auditing, undo and redo
https://github.com/aq1018/mongoid-history
...
Instagram how to get my user id from username?
...orking (but its not public endpoint anymore), you must send a request with extra information to that endpoint. (Press F12 to open developer toolbar, then click to Network Tab and trace the request.)
Sorry because I'm too busy. Hope this information help you guys.
Hmm, feel free to give me a down-v...