大约有 30,000 项符合查询结果（耗时：0.0352秒） [XML]
How do I get the coordinates of a mouse click on a canvas element?
...
@JulianMann Thanks for the info. I've updated this answer based on more current support. Looks like you can get away with offsetX/Y almost universally now.
– mafafu
Jul 6 '16 at 18:47
...
How do I bind to list of checkbox values with AngularJS?
...ally
- Use `ng-checked="fruit.selected"` to have the checkbox checked based on some angular expression
(no two-way-data-binding)
- Use `ng-model="fruit.selected"` to utilize two-way-data-binding. Note that `.selected`
is arbitrary. The property name could be anything and will b...
Detect application heap size in Android
... to 32:
maxMemory: 33554432
getMemoryClass: 32
With VM Heap Size set to 64:
maxMemory: 67108864
getMemoryClass: 32
In addition to the above, I tested on a Novo7 Paladin tablet running Ice Cream Sandwich.
This was essentially a stock version of ICS, except that I've rooted the tablet through...
Download multiple files with a single action
...t has a great example. stuk.github.io/jszip
– Netsi1964
Sep 26 '15 at 7:03
A third way is to encapsulate the files int...
Equation (expression) parser with precedence?
...ample code that you can just run bison on and get your desired C code that demonstrates this four function calculator:
http://www.gnu.org/software/bison/manual/html_node/Infix-Calc.html
Look at the generated code, and see that this is not as easy as it sounds. Also, the advantages of using a tool ...
dropping infinite values from dataframes in pandas?
...
Use (fast and simple):
df = df[np.isfinite(df).all(1)]
This answer is based on DougR's answer in an other question.
Here an example code:
import pandas as pd
import numpy as np
df=pd.DataFrame([1,2,3,np.nan,4,np.inf,5,-np.inf,6])
print('Input:\n',df,sep='')
df = df[np.isfinite(df).all(1)]
prin...
Hidden Features of C#? [closed]
...
64
A quick profile test shows that dummy-subscribed event handler without null test takes roughly 2x the time of unsubscribed event handler wi...
How to properly import a selfsigned certificate into Java keystore that is available to all Java app
...00% sure you know which JRE or JDK is being used to run your program. On a 64 bit Windows 7 there could be quite a few JREs. Process Explorer can help you with this or you can use: System.out.println(System.getProperty("java.home"));
Copy the file JAVA_HOME\lib\security\cacerts to another folder.
In...
Fixed width buttons with Bootstrap
...rently if I have 2 buttons, "Save" and "Download", the button size changes based on content.
12 Answers
...
What is the MySQL VARCHAR max size?
...
As per the online docs, there is a 64K row limit and you can work out the row size by using:
row length = 1
+ (sum of column lengths)
+ (number of NULL columns + delete_flag + 7)/8
+ (number of variable-length columns)
...