大约有 2,500 项符合查询结果（耗时：0.0276秒） [XML]
Change column type from string to float in Pandas
...d argument:
>>> pd.to_numeric(s, errors='coerce')
0 1.0
1 2.0
2 4.7
3 NaN
4 10.0
dtype: float64
The third option for errors is just to ignore the operation if an invalid value is encountered:
>>> pd.to_numeric(s, errors='ignore')
# the original Series is returne...
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
...docs, you have done this completely backwards.
Just ask for the 192 MTU in AI2, and start transmitting after you got the event that tells you both sides can handle the 192 size.
1 Like
...
When to use , tag files, composite components and/or custom components?
I started using JSF 2.0 with Facelets recently and got puzzled by new composite components knowing existing <ui:include> and other templating techniques offered by Facelets 1.x.
...
How do I discover memory usage of my application in Android?
...w memory is managed on Android:
Service API changes starting with Android 2.0
Now ActivityManager.getMemoryInfo() is our highest-level API for looking at overall memory usage. This is mostly there to help an application gauge how close the system is coming to having no more memory for background ...
Why Choose Struct Over Class?
...ft Compiler setting is -O -whole-module-optimization:
class version took 2.06 seconds
struct version took 4.17e-08 seconds (50,000,000 times faster)
(I no longer average multiple runs, as variances are very small, under 5%)
Note: the difference is a lot less dramatic without whole module optimi...
What is the bower (and npm) version syntax?
...take any subsequent patch-level changes on the 1.2.x tree, starting with 1.2.0, but less than 1.3.0, you could use:
"angular": "~1.2"
or:
"angular": "~1.2.0"
This also gets you the same results as using the .x syntax:
"angular": "1.2.x"
But, you can use the tilde/~ syntax to be even more sp...
Passing parameters to a Bash function
...ur function after it is declared.
#!/usr/bin/env sh
foo 1 # this will fail because foo has not been declared yet.
foo() {
echo "Parameter #1 is $1"
}
foo 2 # this will work.
Output:
./myScript.sh: line 2: foo: command not found
Parameter #1 is 2
Reference: Advanced Bash-Scripting Guid...
Git - How to use .netrc file on Windows to save user and password
...on Windows?
Yes: You must:
define environment variable %HOME% (pre-Git 2.0, no longer needed with Git 2.0+)
put a _netrc file in %HOME%
If you are using Windows 7/10, in a CMD session, type:
setx HOME %USERPROFILE%
and the %HOME% will be set to 'C:\Users\"username"'.
Go that that folder (cd...
How to send POST request?
...
How to get json result?
– Yohanes AI
Apr 26 '18 at 9:03
13
If you need to send...
jQuery UI Sortable Position
... answered Oct 18 '12 at 19:37
i_ai_a
2,59011 gold badge1818 silver badges1919 bronze badges
...