大约有 30,000 项符合查询结果(耗时:0.0407秒) [XML]
FFMPEG (libx264) “height not divisible by 2”
... is:
-vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Command:
ffmpeg -r 24 -i frame_%05d.jpg -vcodec libx264 -y -an video.mp4 -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Basically, .h264 needs even dimensions so this filter will:
Divide the original height and width by 2
Round it up to the nearest pixel
Multipl...
Getting the name of the currently executing method
...me util:
public class MethodNameTest {
private static final int CLIENT_CODE_STACK_INDEX;
static {
// Finds out the index of "this code" in the returned stack trace - funny but it differs in JDK 1.5 and 1.6
int i = 0;
for (StackTraceElement ste : Thread.currentThread...
Inspect attached event handlers for any DOM element
...andlers are shown in the stock HTML inspector.
– ivan_pozdeev
Dec 5 '15 at 12:12
add a commen...
Git SSH error: “Connect to host: Bad file number”
... that works for me:
Error message:
ssh -v git@github.com
OpenSSH_5.8p1, OpenSSL 1.0.0d 8 Feb 2011
debug1: Connecting to github.com [207.97.227.239] port 22.
debug1: connect to address 207.97.227.239 port 22: Connection timed out
ssh: connect to host github.com port 22: Connect...
Having a UITextField in a UITableViewCell
...ontents of the UITextField on the editingDidEnd event, set it up like so: [_field addTarget:self action:@selector(editingEnded:) forControlEvents:UIControlEventEditingDidEnd];.
– Corey Larson
Jul 19 '11 at 0:57
...
What's the best manner of implementing a social activity stream? [closed]
...
I have created such system and I took this approach:
Database table with the following columns: id, userId, type, data, time.
userId is the user who generated the activity
type is the type of the activity (i.e. Wrote blog post, added photo, commented on user's photo)
data is a se...
iPhone UIView Animation Best Practice
...method is discouraged in iPhone OS 4.0 and later. You should use the block-based animation methods instead.
Eg of Block-based Animation based on Tom's Comment
[UIView transitionWithView:mysuperview
duration:0.75
options:UIViewAnimationTransitionFlipFromRight
...
Is it possible to include one CSS file in another?
...
Yes:
@import url("base.css");
Note:
The @import rule must precede all other rules (except @charset).
Additional @import statements require additional server requests. As an alternative, concatenate all CSS into one file to avoid multiple H...
How do I restore a missing IIS Express SSL Certificate?
...ut the MSI file where Control Panel expects it to be. However, there is a _package.json file in that same directory, and it contains the URL of the MSI file. You may either run that manually or copy it to where Control Panel expects it.
– Chris R. Donnelly
J...
How to study design patterns? [closed]
... edited Jul 1 '18 at 11:35
AZ_
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answered Apr 19 '13 at 16:34
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