大约有 48,000 项符合查询结果（耗时：0.0534秒） [XML]
How do I pass a variable by reference?
...ight, but if you rebind the reference in the method, the outer scope will know nothing about it, and after you're done, the outer reference will still point at the original object.
If you pass an immutable object to a method, you still can't rebind the outer reference, and you can't even mutate the...
Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
...
UPDATE: Amazon now supports gzip compression, so this is no longer needed. Amazon Announcement
Original answer:
The answer is to gzip the CSS and JavaScript files. Yes, you read that right.
gzip -9 production.min.css
This will produce...
How do I measure time elapsed in Java? [duplicate]
... to use in order to accomplish this in Java?
The short answer is a long. Now, more on how to measure...
System.currentTimeMillis()
The "traditional" way to do this is indeed to use System.currentTimeMillis():
long startTime = System.currentTimeMillis();
// ... do something ...
long estimatedTim...
How to check if an app is installed from a web-page on an iPhone?
...
As far as I know you can not, from a browser, check if an app is installed or not.
But you can try redirecting the phone to the app, and if nothing happens redirect the phone to a specified page, like this:
setTimeout(function () { wind...
Function that creates a timestamp in c#
...
//Find unix timestamp (seconds since 01/01/1970)
long ticks = DateTime.UtcNow.Ticks - DateTime.Parse("01/01/1970 00:00:00").Ticks;
ticks /= 10000000; //Convert windows ticks to seconds
timestamp = ticks.ToString();
Adjusting the denominator allows you to choose your level of precision
...
Writing data into CSV file in C#
...
Y'all be happy to know I've update the answer to do things the right way
– Johan
Aug 14 '17 at 8:50
3
...
Replace None with NaN in pandas dataframe
...
pd.np.nan now gives FutureWarning: The pandas.np module is deprecated and will be removed from pandas in a future version. Import numpy directly instead.
– Alex Povel
Jun 22 at 17:14
...
Aborting a stash pop in Git
...apply:
git merge-recursive stash@{0}: -- $(git write-tree) stash@{0}^1
Now you will be left with just the non-stash changes. They will be in the index. You can use git reset to unstage your changes if you like.
Given that your original git stash apply failed I assume the reverse might also fa...
Limit a stream by a predicate
... gotten a much bigger performamce boost, without bothering the developers. Now that is automagical parallelism done right.
– Aleksandr Dubinsky
Dec 25 '13 at 20:24
...
Could not find method compile() for arguments Gradle
Looked around for this solution for much too long now, and I'm not sure if I missed it or just misstyped something, but my Gradle script will not compile. I am migrating to Gradle, and am very new with it. I am very used to using Maven for dependency management, but Gradle seems best me for now. Fro...