大约有 15,000 项符合查询结果(耗时:0.0266秒) [XML]
How to make UIButton's text alignment center? Using IB
...
This will make exactly what you were expecting:
Objective-C:
[myButton.titleLabel setTextAlignment:UITextAlignmentCenter];
For iOS 6 or higher it's
[myButton.titleLabel setTextAlignment: NSTextAlignmentCenter];
as explained in tyle...
iOS application: how to clear notifications?
...an I remove a notification for my application in the Notification Center next time the application opens?
12 Answers
...
PostgreSQL error 'Could not connect to server: No such file or directory'
...he first time I used it, but had this issue after a restart. So, can you explain why this worked?
– Dan Williams
Mar 16 '15 at 22:08
...
Is there a performance difference between i++ and ++i in C?
...
Executive summary: No.
i++ could potentially be slower than ++i, since the old value of i
might need to be saved for later use, but in practice all modern
compilers will optimize this away.
We can demonstrate this by lookin...
Add Bootstrap Glyphicon to Input Box
How can I add a glyphicon to a text type input box? For example I want to have 'icon-user' in a username input, something like this:
...
Apache shows PHP code instead of executing it
... /etc/apache2/) to see if you find a file named php. I don't remember the extension but I think it's .so.
Also check in /var/log/apache2/error.log to see if you have any other errors.
share
|
impro...
What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
...verall, there
are now five options for the /platform C# compiler switch: x86,
Itanium, x64, anycpu, and anycpu32bitpreferred). When using the "Prefer 32-Bit"
flavor of AnyCPU, the semantics are as follows:
If the process runs on a 32-bit Windows system, it runs as a 32-bit process. IL ...
What does %w(array) mean?
...h as square brackets %w[...], curly braces %w{...} or even something like exclamation marks %w!...!. All of these have the same behavior (returning an array).
– ryanb
Aug 13 '09 at 21:40
...
How to programmatically round corners and set random background colors
...UE);
}
Also, you can define the padding within your tags_rounded_corners.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<corners android:radius="4dp" />
<padding
android:top="2dp"
android:left="2dp"
...
get list of pandas dataframe columns based on data type
..."))
>>> df
A B C D E
0 1 2.3456 c d 78
[1 rows x 5 columns]
>>> df.dtypes
A int64
B float64
C object
D object
E int64
dtype: object
>>> g = df.columns.to_series().groupby(df.dtypes).groups
>>> g
{dtype('int64'): ['A', 'E'], ...
