大约有 11,400 项符合查询结果(耗时:0.0407秒) [XML]
Rotating videos with FFmpeg
I have been trying to figure out how to rotate videos with FFmpeg. I am working with iPhone videos taken in portrait mode. I know how to determine the current degrees of rotation using MediaInfo (excellent library, btw) but I'm stuck on FFmpeg now.
...
How to order by with union in SQL?
Is it possible to order when the data is come from many select and union it together? Such as
8 Answers
...
Change URL parameters
... var newAdditionalURL = "";
var tempArray = url.split("?");
var baseURL = tempArray[0];
var additionalURL = tempArray[1];
var temp = "";
if (additionalURL) {
tempArray = additionalURL.split("&");
for (var i=0; i<tempArray.length; i++){
if(tem...
Thread-safe List property
I want an implementation of List<T> as a property which can be used thread-safely without any doubt.
16 Answers
...
How to define Gradle's home in IDEA?
...rt a Gradle project into IntelliJ, and when I get to the Gradle Home textbox, it is not automatically populated, nor will typing in the path of Gradle Home result in a valid location - I have the GRADLE_USER_HOME environment variable set (to what I think is!) the correct path, and I have been ...
How can I view all historical changes to a file in SVN
I know that I can svn diff -r a:b repo to view the changes between the two specified revisions. What I'd like is a diff for every revision that changed the file. Is such a command available?
...
Filter dict to contain only certain keys?
I've got a dict that has a whole bunch of entries. I'm only interested in a select few of them. Is there an easy way to prune all the other ones out?
...
How do you use the ? : (conditional) operator in JavaScript?
...s called the conditional operator.1
Here is an example of code that could be shortened with the conditional operator:
var userType;
if (userIsYoungerThan18) {
userType = "Minor";
} else {
userType = "Adult";
}
if (userIsYoungerThan21) {
serveDrink("Grape Juice");
} else {
serveDrink("Wine...
Java time-based map/cache with expiring keys [closed]
... .makeComputingMap(
new Function<Key, Graph>() {
public Graph apply(Key key) {
return createExpensiveGraph(key);
}
});
Update:
As of guava 10.0 (released September 28, 2011) many of these MapMaker methods have been deprecated in favour of the new...
MySQL Insert Where query
...or primary key:
If you're trying to insert a new row with ID 1 you should be using:
INSERT INTO Users(id, weight, desiredWeight) VALUES(1, 160, 145);
If you're trying to change the weight/desiredWeight values for an existing row with ID 1 you should be using:
UPDATE Users SET weight = 160, desi...