大约有 40,000 项符合查询结果（耗时：0.0481秒） [XML]
What is the proper way to use the node.js postgresql module?
...hen opening up a 1-off client to kill some
hung stuff or in command line scripts.
One very helpful thing is to centralize all access to your database in your app to one file. Don't litter pg.connect calls or new clients throughout. Have a file like db.js that looks something like this:
module....
How do I empty an array in JavaScript?
...o 0. Some have argued that this may not work in all implementations of JavaScript, but it turns out that this is not the case. It also works when using "strict mode" in ECMAScript 5 because the length property of an array is a read/write property.
Method 3 (as suggested by Anthony)
A.splice(0,A.le...
How do I install Python OpenCV through Conda?
...s like this...
Before:
C:\Users\Johnny\Anaconda;C:\Users\Johnny\Anaconda\Scripts
After:
C:\Users\Johnny\Anaconda;C:\Users\Johnny\Anaconda\Scripts;%OPENCV_DIR%\bin
This is it we are done! FFMPEG is ready to be used!
Test to confirm
We need to test whether we can now do these in Anaconda (via...
Search for one value in any column of any table inside a database
...
I found a fairly robust solution at https://gallery.technet.microsoft.com/scriptcenter/c0c57332-8624-48c0-b4c3-5b31fe641c58 , which I thought was worth pointing out. It searches columns of these types: varchar, char, nvarchar, nchar, text. It works great and supports specific table-searching as w...
Practical non-image based CAPTCHA approaches?
...Overflow. This is necessary to prevent bots, spammers, and other malicious scripted activity. We only want human beings to post or edit things here!
...
What is the difference between application server and web server?
...d to serve static content, though most Web Servers have plugins to support scripting languages like Perl, PHP, ASP, JSP etc. through which these servers can generate dynamic HTTP content.
Most of the application servers have Web Server as integral part of them, that means App Server can do whatever...
Case insensitive searching in Oracle
...e outside of SQLPLUS, like in the shell environment. For example in a Perl script using DBD::Oracle, you can write $ENV{NLS_SORT} = 'BINARY_CI'; $ENV{NLS_COMP} = 'LINGUISTIC'; before calling ` DBI->connect`.
– mivk
Feb 8 '17 at 12:22
...
SQL Server - where is “sys.functions”?
...CLR function types: 'AF', 'FS', and 'FT'. See sys.objects "type" column description here: msdn.microsoft.com/en-us/library/ms190324.aspx
– Triynko
Aug 21 '11 at 6:28
4
...
Asking the user for input until they give a valid response
...ne most of the time, but if the user enters invalid data enough times, the script will terminate with a RuntimeError: maximum recursion depth exceeded. You may think "no fool would make 1000 mistakes in a row", but you're underestimating the ingenuity of fools!
...
Android ADB device offline, can't issue commands
...
Yes, I use linux. android is a shell script under ./sdk/tools/ that kicks off the android SDK Manager java app. There must be a comparable script in the Windows SDK tarball.
– dturvene
Nov 8 '13 at 22:29
...