大约有 2,000 项符合查询结果（耗时：0.0257秒） [XML]
How to change color in circular progress bar?
...minateTint property. Like:
android:indeterminateTint="@android:color/holo_orange_dark"
To support pre-API 21 devices:
mProgressSpin.getIndeterminateDrawable()
.setColorFilter(ContextCompat.getColor(this, R.color.colorPrimary), PorterDuff.Mode.SRC_IN );
...
Smart pointers: who owns the object? [closed]
...on of objects are predictable (RAII is your friend, again).
In this model, raw pointers are freely circulating and mostly not dangerous (but if the developer is smart enough, he/she will use references instead whenever possible).
raw pointers
std::auto_ptr
boost::scoped_ptr
Smart Pointed C++ Model...
Limiting the number of records from mysqldump?
...ault to and advise "id" for PK-columns, since it is redundant to say users.user_id instead of just users.id.
– Andreas Bergström
Nov 23 '17 at 8:50
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Adb Devices can't find my phone [closed]
...
I have a ZTE Crescent phone (Orange San Francisco II).
When I connect the phone to the USB a disk shows up in OS X named 'ZTE_USB_Driver'.
Running adb devices displays no connected devices. But after I eject the 'ZTE_USB_Driver' disk from OS X, and run...
What is the difference between sed and awk? [closed]
...the past 10 years might reveal that people who tend to buy apples also buy oranges or something similar.
– Steam
Aug 20 '13 at 19:56
1
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how to permit an array with strong parameters
...y
params.require(:question).permit(:question_details, :question_content, :user_id, :accepted_answer_id, :province_id, :city, :category_ids => [])
Works perfectly now!
(IMPORTANT: As @Lenart notes in the comments, the array declarations must be at the end of the attributes list, otherwise you'...
Apply formula to the entire column
...t's take this as an example:
String array in column "A": {apple, banana, orange, ..., avocado}
You want to substitute the char of "a" to "x" to have: {xpple, bxnxnx,
orxnge, ..., xvocado}
To apply this formula on the entire column (array) in a clean an elegant way, you can do:
=ARRAYFORMULA(SUB...
Why can't I use background image and color together?
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display: inline-block;
}
<div class="box" style="background-color:orange"></div>
<div class="box" style="background-color:green"></div>
<div class="box" style="background-color:blue"></div>
...
delete_all vs destroy_all?
...l
You can do :
u = User.find_by_name('JohnBoy')
UsageIndex.destroy_all "user_id = #{u.id}"
The result is one query to destroy all the associated records
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Encoding URL query parameters in Java
...ods to encode the query, fragment, path parts etc. - but don't expose the "raw" encoding. This is unfortunate as fragment and query are allowed to encode space to +, so we don't want to use them. Path is encoded properly but is "normalized" first so we can't use it for 'generic' encoding either.
Be...