大约有 41,000 项符合查询结果（耗时：0.0516秒） [XML]
Ruby: How to get the first character of a string
How can I get the first character in a string using Ruby?
13 Answers
13
...
IPC performance: Named Pipe vs Socket
Everyone seems to say named pipes are faster than sockets IPC. How much faster are they? I would prefer to use sockets because they can do two-way communication and are very flexible but will choose speed over flexibility if it is by considerable amount.
...
How to read a file in reverse order?
... while position >= 0:
qfile.seek(position)
next_char = qfile.read(1)
if next_char == "\n":
yield line[::-1]
line = ''
else:
line += next_char
position -= 1
yield line[::-1]
if __n...
Jenkins Host key verification failed
...The better way to do that is to generate correct mappings between host and ip address, so ssh will not complain:
#!/bin/bash
for domain in "github.com" "bitbucket.org"; do
sed -i "/$domain/d" ~/.ssh/known_hosts
line=$(ssh-keyscan $domain,`nslookup $domain | awk '/^Address: / { print $2 ; e...
How does Python manage int and long?
...kes user input through Tkinter entries and sends the casted values via TCP/IP to a client (written in C/C++) that mimics an embedded system. Imagine what happens when you insert 100000000000000000000000 in your Python-based Entry... :P
– rbaleksandar
Jul 27 '17...
Best way to run scheduled tasks [closed]
...
I stop malicious calls to my url by checking if the ip address is an internal address or not. It returns nothing and does nothing if it is not internal to our organization.
– user1408767
Jul 12 '16 at 20:16
...
Count the number of occurrences of a character in a string in Javascript
I need to count the number of occurrences of a character in a string.
33 Answers
33
...
Java - Convert integer to string [duplicate]
...m a
* @return
*/
private String convertToString(int a) {
int c;
char m;
StringBuilder ans = new StringBuilder();
// convert the String to int
while (a > 0) {
c = a % 10;
a = a / 10;
m = (char) ('0' + c);
ans.append(m);
}
return ans.re...
How to use the 'main' parameter in package.json?
... folder.
For most modules, it makes the most sense to have a main script and
often not much else.
To put it short:
You only need a main parameter in your package.json if the entry point to your package differs from index.js in its root folder. For example, people often put the entry poin...
How can I solve a connection pool problem between ASP.NET and SQL Server?
...ut due to this change.
To fix simply add the parameter TransparentNetworkIPResolution in the connection string and set it to false:
Server=myServerName;Database=myDataBase;Trusted_Connection=True;TransparentNetworkIPResolution=False
...