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TCPClient TCP客户端扩展：连接TCP服务器进行文本消息通信 · App Inventor 2 中文网
...、ISO-8859-1、UTF-16BE、UTF-16LE、UTF-16。
字符集US-ASCII Charset_USASCII
US-ASCII 字符集常量。
字符集UTF-8 Charset_UTF8
UTF-8 字符集常量。
字符集ISO-Latin-1 Charset_ISO_Latin_1
ISO-8859-1 字符集常量。
字符集UTF-16BE Charset_UTF16BE
UTF-16BE 字符...
How to add 'ON DELETE CASCADE' in ALTER TABLE statement
...t instead of modify constraint.
Now this is the command:
ALTER TABLE child_table_name
ADD CONSTRAINT fk_name
FOREIGN KEY (child_column_name)
REFERENCES parent_table_name(parent_column_name)
ON DELETE CASCADE;
s...
How to find my Subversion server version number?
...ion in a FAQ:
http://code.google.com/p/support/wiki/SubversionFAQ#What_version_of_Subversion_do_you_use?
If another custom SVN servers
TBD
Please edit to finish this answer
For CLIENT (not the original question):
svn --version
...
How do I install the OpenSSL libraries on Ubuntu?
...struction stackoverflow.com/a/49578644/7315276
– ɛIc_ↄIз
Apr 10 '19 at 8:54
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show 3 more comments
...
What is the use of making constructor private in a class?
...tor (C++):
Iterator Container::begin() { return Iterator(this->beginPtr_); }
// Iterator(pointer_type p) constructor is private,
// and Container is a friend of Iterator.
share
|
improve th...
How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
...rks.. so I am guessing you dont need .NET 4.5
– alpha_989
Mar 9 '18 at 18:17
...
How to build query string with Javascript
...ues from the form ..
it's not perfect but it fits my needs.
function form_params( form )
{
var params = new Array()
var length = form.elements.length
for( var i = 0; i < length; i++ )
{
element = form.elements[i]
if(element.tagName == 'TEXTAREA' )
{
...
How to log something in Rails in an independent log file?
...t like the usual Rails logger:
class User < ActiveRecord::Base
def my_logger
@@my_logger ||= Logger.new("#{Rails.root}/log/my.log")
end
def before_save
my_logger.info("Creating user with name #{self.name}")
end
end
Here I used a class attribute to memoize the logger. This way ...
Git Diff with Beyond Compare
... #use cygpath to transform cygwin path $LOCAL (something like /tmp/U5VvP1_abc) to windows path, because bc3 is a windows software
cmd = \"c:/program files/beyond compare 3/bcomp.exe\" "$(cygpath -w $LOCAL)" "$REMOTE"
[merge]
tool = bc3
[mergetool]
prompt = false
[mergetool "bc3"]
#...
Optional Parameters in Go?
...amp;Foobar{}
// ... (write initializations with default values)...
for _, op := range options{
err := op(fb)
if err != nil {
return nil, err
}
}
return fb, nil
}
where each option is a function which mutates the Foobar. Then provide convenient ways for your user to use or...