大约有 49,000 项符合查询结果（耗时：0.0657秒） [XML]
How to get nice formatting in the Rails console
...
The y method is a handy way to get some pretty YAML output.
y ProductColor.all
Assuming you are in script/console
As jordanpg commented, this answer is outdated. For Rails 3.2+ you need to execute the following code before you can get the y...
How to write a bash script that takes optional input arguments?
...
You could use the default-value syntax:
somecommand ${1:-foo}
The above will, as described in Bash Reference Manual - 3.5.3 Shell Parameter Expansion [emphasis mine]:
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of paramet...
while (1) Vs. for (;;) Is there a speed difference?
...ase, but chances are the code inside of the loop is going to be a few thousand times more expensive than the loop itself anyway, so who cares?
share
|
improve this answer
|
f...
Storing a Map using JPA
...o (in the JPA 2.0 specification)
2.6 - Collections of Embeddable Classes and Basic Types
2.7 Map Collections
10.1.11 - ElementCollection Annotation
11.1.29 MapKeyColumn Annotation
share
|
improv...
Is it possible to disable the network in iOS Simulator?
...in the simulator, just on the device, so I'd like to reproduce the network and connectivity environment in the simulator.
2...
fatal error: Python.h: No such file or directory
... extension file but first I have to generate the output file using the command below:
28 Answers
...
Fit cell width to content
...
I'm not sure if I understand your question, but I'll take a stab at it. JSfiddle of the example.
HTML:
<table style="width: 100%;">
<tr>
<td class="block">this should stretch</td>
<td class="block">this should ...
Drop multiple tables in one shot in mysql
How to drop multiple tables from one single database at one command.
something like,
4 Answers
...
How do I use spaces in the Command Prompt?
How can I use spaces in the Windows Command Line?
11 Answers
11
...
Iteration ng-repeat only X times in AngularJs
...ular comes with a limitTo:limit filter, it support limiting first x items and last x items:
<div ng-repeat="item in items|limitTo:4">{{item}}</div>
share
|
improve this answer
...