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MFC Telnet Application（mfc telnet 端口，代码实现、不调用telnet.exe） ...
...s, end the last string you typed with an ENTER, and press ESC to send it), then press the ESC key to send the data you typed in. Wait for the response from the server.
This one provides an example output of a whois query on port 43:
In case of getting disconnected, press CTRL+R to redial conne...
ClickTools 拓展：为布局、标签等没有点击事件的组件添加点击事件 - App In...
...08px] IMPORTANT
If you register button or another clickable components then the built in .Click event will not work
See here[color=var(--primary-high-or-secondary-low)][backcolor=var(--blend-primary-secondary-5)]
Anke:
if a component has been registered, the original .Click event (e.g. Butto...
How do I get the directory from a file's full path?
...
If you are working with a FileInfo object, then there is an easy way to extract a string representation of the directory's full path via the DirectoryName property.
Description of the FileInfo.DirectoryName Property via MSDN:
Gets a string representing the direc...
Disable password authentication for SSH [closed]
...onfig
# Change to no to disable tunnelled clear text passwords
#PasswordAuthentication no
Uncomment the second line, and, if needed, change yes to no.
Then run
service ssh restart
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A regular expression to exclude a word/string
...e end of any other word. i.e. if you add 'a' as one off the ignored words, then any word that ends in a is ignored
– singmotor
Apr 10 '17 at 15:19
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POST data to a URL in PHP
...uestion. If your level of understanding is below the level of the answer, then do some more research. Does he also need to explain that the $url has a $ because in php that's how you indicate a variable? Where do you draw the line? "... not to get more questions" is not the attitude of someone t...
How can I prevent SQL injection in PHP?
If user input is inserted without modification into an SQL query, then the application becomes vulnerable to SQL injection , like in the following example:
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WARN Could not determine content-length of response body. Set content-length of the response or set
...of Webrick.
you can use "Thin" instead.
Add this to Gemfile
gem 'thin'
then rails s will use thin instead of Webrick, and the warn will disappear.
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How do cache lines work?
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If cache lines are 64 bytes wide, then they correspond to blocks of memory which start on addresses that are divisible by 64. The least significant 6 bits of any address are an offset into the cache line.
So for any given byte, the cache line which has to b...
Set value to NULL in MySQL
...l = "INSERT INTO .... VALUES ($val)";
if you put 'NULL' into your query, then you're just inserting a 4-character string. Without the quotes, NULL is the actual null value.
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