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So, JSONP or CORS? [closed]
... the more "modern" solution and JSONP is more of a hack, turning data into scripts to bypass cross-domain restrictions. CORS does however, typically require more server-side configuration.
If you're using jQuery, I'm not sure where you're coming up with the idea that CORS is "much more friendly to ...
Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
I've seen Bash scripts test for a non-zero length string in two different ways. Most scripts use the -n option:
6 Answers...
grep a tab in UNIX
... ctrl-V is not useful if you want to copy-paste (from your notes or a script). Better use an explicit solution that has a visible '\t' , literal TABs (i.e. the ones that look like whitespace) are often converted to SPC when copypasting ...
– plijnzaad
Mar ...
How do I clear only a few specific objects from the workspace?
...n can be used to remove all the variables apart from "data". Here is the script:
0->data
1->data_1
2->data_2
3->data_3
#check variables in workspace
ls()
rm(list=setdiff(ls(), "data"))
#check remaining variables in workspace after deletion
ls()
#note: if you just use rm(list) then R ...
How do I turn a C# object into a JSON string in .NET?
...
You could use the JavaScriptSerializer class (add reference to System.Web.Extensions):
using System.Web.Script.Serialization;
var json = new JavaScriptSerializer().Serialize(obj);
A full example:
using System;
using System.Web.Script.Seria...
Tomcat: How to find out running tomcat version
...
Try parsing or executing the Tomcat_home/bin directory and look for
a script named version.sh or version.bat depending on your
operating system.
Execute the script ./version.sh or version.bat
If there are no version.bat or version.sh then
use a tool to unzipping JAR files (\tomcat\server\lib\...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...102 Sep 17 15:21 includes
drwxr-xr-x 4 schacon staff 136 Sep 17 15:21 scripts
drwxr-xr-x 4 schacon staff 136 Sep 17 15:21 src
$ cd DbConnector/
$ ls
$
其中有 DbConnector 目录，不过是空的。 你必须运行两个命令：git submodule init 用来初始化本地配置文...
Really Cheap Command-Line Option Parsing in Ruby
...but it's still falsey, so it works just fine for throwaway tools and quick scripts.
One caveat pointed out by FelipeC in the comments in "How to do really cheap command-line option parsing in Ruby", is that your shell might not support the 3-token shebang; you may need to replace /usr/bin/env ruby ...
Share cookie between subdomain and domain
....com to share cookies.
See also:
www vs no-www and cookies
cookies test script to try it out
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Limit number of characters allowed in form input text field
...
Add the following to the header:
<script language="javascript" type="text/javascript">
function limitText(limitField, limitNum) {
if (limitField.value.length > limitNum) {
limitField.value = limitField.value.substring(0, limitNum);
}
}
&...