大约有 30,000 项符合查询结果（耗时：0.0372秒） [XML]
FFmpeg: How to split video efficiently?
...nd
real 0m59.410s
user 0m5.577s
sys 0m3.939s
I tested a SD & HD file, after a few runs & a little maths.
Two commands SD 0m53.94 #2 wins
One command SD 0m49.63
Two commands SD 0m55.00
One command SD 0m52.26 #1 wins
Two commands SD 0m58.60 #2 wins
One command SD 0m58.61
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Loop code for each file in a directory [duplicate]
I have a directory of pictures that I want to loop through and do some file calculations on. It might just be lack of sleep, but how would I use PHP to look in a given directory, and loop through each file using some sort of for loop?
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JavaScript validation for empty input field
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<script type="text/javascript">
function validateForm() {
var a = document.forms["Form"]["answer_a"].value;
var b = document.forms["Form"]["answer_b"].value;
var c = document.forms["Form"]["answer_c"].value;
var d = document.forms["Form"]["answer_d"...
How do you perform a left outer join using linq extension methods
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For a (left outer) join of a table Bar with a table Foo on Foo.Foo_Id = Bar.Foo_Id in lambda notation:
var qry = Foo.GroupJoin(
Bar,
foo => foo.Foo_Id,
bar => bar.Foo_Id,
(x,y) => new { Foo = x, Bars = y })
.SelectMany(
x =...
In Clojure 1.3, How to read and write a file
I'd like to know the "recommended" way of reading and writing a file in clojure 1.3 .
6 Answers
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How to insert a text at the beginning of a file?
So far I've been able to find how to add a line at the beginning of a file but that's not exactly what I want. I'll show it on a example
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Gitignore not working
My .gitignore file isn't working for some reason, and no amount of Googling has been able to fix it. Here is what I have:
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How to create a release signed apk file using Gradle?
I would like to have my Gradle build to create a release signed apk file using Gradle.
31 Answers
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How can I lock a file using java (if possible)
I have a Java process that opens a file using a FileReader. How can I prevent another (Java) process from opening this file, or at least notify that second process that the file is already opened? Does this automatically make the second process get an exception if the file is open (which solves my p...
How to select different app.config for several build configurations
...pp.config. This is why I was thinking to have a separate second app.config file that will hold the settings for CI server.
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