大约有 16,000 项符合查询结果（耗时：0.0241秒） [XML]
Execute a terminal command from a Cocoa app
...ier];
NSPipe *pipe = [NSPipe pipe];
NSFileHandle *file = pipe.fileHandleForReading;
NSTask *task = [[NSTask alloc] init];
task.launchPath = @"/usr/bin/grep";
task.arguments = @[@"foo", @"bar.txt"];
task.standardOutput = pipe;
[task launch];
NSData *data = [file readDataToEndOfFile];
[file closeFi...
proper way to sudo over ssh
...
Man, I knew about -t, but I hadn't read the manual carefully enough to see that you could pass it twice! This is what I've been looking for for months! As a security addition, I simply set a password variable before running with read -s -p "Password: " pw, the...
How can I open Java .class files in a human-readable way?
...
If you don't mind reading bytecode, javap should work fine. It's part of the standard JDK installation.
Usage: javap <options> <classes>...
where options include:
-c Disassemble the code
-classpath &l...
Memcached vs. Redis? [closed]
...e is how they compare using the original question's "Points to Consider":
Read/write speed: Both are extremely fast. Benchmarks vary by workload, versions, and many other factors but generally show redis to be as fast or almost as fast as memcached. I recommend redis, but not because memcached is s...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...hould be. Then when you try to run the mysql command line client, it will read my.cnf to find the socket, but it will not find it since it deviates from where the server created one. So, Unless you care where the socket resides, just changing the my.cnf to match should work.
Then, stop the mysq...
What is your most productive shortcut with Vim?
...a paragraph of text I cut it using { d} (3 keystrokes). (If I happen to already be on the first or last line of the paragraph I can then simply use d} or d{ respectively.
The notion of "paragraph" defaults to something which is usually intuitively reasonable. Thus it often works for code as well a...
Why do indexes in XPath start with 1 and not 0?
... In it’s early history, RSS feeds (and the XML data they contained) were read by humans in the raw format. Blogs and other news sources used RSS feeds and XML to output continuously updated information. Since XML was being read by mere mortals (non-programmers), XPath and XSLT also needed to be ea...
How do I make a text input non-editable?
...
<input type="text" value="3" class="field left" readonly>
No styling necessary.
See <input> on MDN https://developer.mozilla.org/en/docs/Web/HTML/Element/input#Attributes
share
...
Haskell composition (.) vs F#'s pipe forward operator (|>)
...e appears on the left (see here).
(Personally, I find points-free style unreadable, but I suppose every new/different thing seems unreadable until you become accustomed to it.)
I think both are potentially viable in either language, and history/culture/accident may define why each community settle...
Does functional programming replace GoF design patterns?
Since I started learning F# and OCaml last year, I've read a huge number of articles which insist that design patterns (especially in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
...