大约有 46,000 项符合查询结果（耗时：0.0466秒） [XML]
String formatting: % vs. .format vs. string literal
Python 2.6 introduced the str.format() method with a slightly different syntax from the existing % operator. Which is better and for what situations?
...
Two-way encryption: I need to store passwords that can be retrieved
...trong class that takes care of everything for you:
What is the safest algorithm to encrypt the passwords with?
safest? any of them. The safest method if you're going to encrypt is to protect against information disclosure vulnerabilities (XSS, remote inclusion, etc). If it gets out, the attacker...
Create a temporary table in a SELECT statement without a separate CREATE TABLE
Is it possible to create a temporary (session only) table from a select statement without using a create table statement and specifying each column type? I know derived tables are capable of this, but those are super-temporary (statement-only) and I want to re-use.
...
serve current directory from command line
...meone give me a hint, howto serve the current directory from command line with ruby? it would be great, if i can have some system wide configuration (e.g. mime-types) and simply launch it from every directory.
...
Finding out the name of the original repository you cloned from in Git
...
In the repository root, the .git/config file holds all information about remote repositories and branches. In your example, you should look for something like:
[remote "origin"]
fetch = +refs/heads/*:refs/remotes/origin/*
url = ...
Difference between Convert.ToString() and .ToString()
...follow
|
edited Jul 19 '18 at 14:15
Servy
190k2323 gold badges279279 silver badges394394 bronze badges
...
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
How can I tell if the JVM in which my application runs is 32 bit or 64-bit? Specifically, what functions or properties I can used to detect this within the program?
...
What encoding/code page is cmd.exe using?
When I open cmd.exe in Windows, what encoding is it using?
6 Answers
6
...
More elegant way of declaring multiple variables at the same time
...
As others have suggested, it's unlikely that using 10 different local variables with Boolean values is the best way to write your routine (especially if they really have one-letter names :)
Depending on what you're doing, it may make sense to use a d...
get UTC time in PHP
...
@sanmai: a Unix timestamp is by definition always UTC. en.wikipedia.org/wiki/Unix_time
– nikc.org
Jul 20 '15 at 8:20
1
...