大约有 25,300 项符合查询结果（耗时：0.0451秒） [XML]
“Eliminate render-blocking CSS in above-the-fold content”
...ghts to try and improve my site's performance, and so far it's proven extremely successful. Things like deferring scripts worked beautifully, since I already had an in-house version of jQuery's .ready() to defer scripts until the page had loaded fully, all I had to do was inline that particular fu...
Rails: How does the respond_to block work?
...
I am new to Ruby and got stuck at this same code. The parts that I got hung up on were a little more fundamental than some of the answers I found here. This may or may not help someone.
respond_to is a method on the superclass ActionController.
it takes a block, w...
varbinary to string on SQL Server
...
"Converting a varbinary to a varchar" can mean different things.
If the varbinary is the binary representation of a string in SQL Server (for example returned by casting to varbinary directly or from the DecryptByPassPhrase or DECOMPRESS functions) you can just CAST...
when using AlertDialog.Builder with EditText, the Soft Keyboard doesn't pop
...ialog.Builder in order to create an input box, with EditText as the input method.
12 Answers
...
How to assign text size in sp value using java code
...y. It's easily done as follows: SCREEN_DENSITY = getResources().getDisplayMetrics().density; yourView.setTextSize(TypedValue.COMPLEX_UNIT_SP, (desiredTextHeightInSP / SCREEN_DENSITY);
– PeteH
Sep 13 '14 at 23:50
...
Detect if a page has a vertical scrollbar?
I just want some simple JQ/JS to check if the current page/window (not a particular element) has a vertical scrollbar.
13 A...
Launch Bootstrap Modal on page load
I don't know javascript at all. The bootstrap documentation says to
18 Answers
18
...
Android Studio with Google Play Services
...ces-maps:6.5.87'
}
You can find the complete dependency list here
Some side notes:
Use the latest play services library version. If it's an old version, android studio will highlight it. As of today (February 5th is 6.5.87) but you can check the latest version at Gradle Please
After a m...
Eclipse returns error message “Java was started but returned exit code = 1”
...
The error message points to a problem with your Java version. Do you have a JDK installed?
Try adding the following (noting the new line):
/!\ make sure, that the -vm option occurs before the -vmargs command.
Everything after -...
Is there a way for non-root processes to bind to “privileged” ports on Linux?
It's very annoying to have this limitation on my development box, when there won't ever be any users other than me.
23 Answ...