大约有 40,000 项符合查询结果（耗时：0.0587秒） [XML]
E731 do not assign a lambda expression, use a def
... I don't see how it's worse. The traceback is still going to include the errant line number and source file. One might say "f" whereas the other says "lambda". Maybe the lambda error is easier to scan because it's not a single-character function name, or a poorly-named long name?
...
PHP and MySQL - how to avoid password in source code? [duplicate]
...ess file or web server config. Personally I like to keep that configs and include files OUT of the DOCUMENT_ROOT. Using Apache Magic (my term, not a piece of software) you can hide an entire Code Igniter project without exposing any files to being downloaded directly.
– Chron...
Can I create a One-Time-Use Function in a Script or Stored Procedure?
... whereas temp variables can be used throughout a script. Other differences include: (1) CTEs cannot house the same logic that an SP can, (2) CTEs cannot accept variables. A CTE is just syntactic sugar to allow you to more easily build nested table expressions for use in a statement. Even then they c...
Fetch frame count with ffmpeg
...ful to not always expect perfect output from these status lines. They can include error messages like here:
frame= 24 fps= 24 q=-1.0 size= 0kB time=1.42 bitrate= 0.3kbits/s
frame= 41 fps= 26 q=-1.0 size= 0kB time=2.41 bitrate= 0.2kbits/s
[h264 @ 0x1013000]Cannot parallel...
Unit test, NUnit or Visual studio?
...ion updates - MS-Test has only one per VS version.
Many integrated runners including Resharper and TestDriven.NET
Expected exception message assertion - can be done using attribute in NUnit but must be done using Try-Catch in MS-Test
[TestCase]! NUnit allows for parameter-ized tests.
...
Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...g.bytedeco.javacpp.*;
import org.bytedeco.javacpp.annotation.*;
@Platform(include = "Dot.h", compiler = "fastfpu")
public class Dot {
static { Loader.load(); }
static float[] a = new float[50], b = new float[50];
static float dot() {
float sum = 0;
for (int i = 0; i <...
Why does the JVM still not support tail-call optimization?
...gure out if your JIT does this.
Naturally, since this is an IBM paper, it includes a plug:
I ran this program with a couple of
the Java SDKs, and the results were
surprising. Running on Sun's Hotspot
JVM for version 1.3 reveals that
Hotspot doesn't perform the
transformation. At defau...
Python exit commands - why so many and when should each be used?
...quit() or Ctrl-Z plus Return to exit
>>>
This functionality was included to help people who do not know Python. After all, one of the most likely things a newbie will try to exit Python is typing in quit.
Nevertheless, quit should not be used in production code. This is because it only...
How to use dashes in HTML-5 data-* attributes in ASP.NET MVC
... even easier than everything suggested above.
Data attributes in MVC which include dashes (-) are catered for with the use of underscore (_).
<%= Html.ActionLink("« Previous", "Search",
new { keyword = Model.Keyword, page = Model.currPage - 1},
new { @class = "prev", data_details = "Some Deta...
Table header to stay fixed at the top when user scrolls it out of view with jQuery
...ntents of the table. If you have a row with big content the entire column, including the header will grow. If you clone just the thead you lose that information and you don't get the desired effect. See Yzmir Ramirez's comment on the accepted answer. This is the only way I found that works without ...