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Determine if a function exists in bash
...hich is somewhat inefficient). Would you check if a file is present using cat "$fn" | wc -c? As for zsh, if the bash tag didn't clue you in, maybe the question itself should have. "Determine if a function exists in bash". I would further point out, that while the -F option does not exist in zsh, ...
Difference between Dictionary and Hashtable [duplicate]
...e> is a generic type, allowing:
static typing (and compile-time verification)
use without boxing
If you are .NET 2.0 or above, you should prefer Dictionary<TKey,TValue> (and the other generic collections)
A subtle but important difference is that Hashtable supports multiple reader thre...
Disable HttpClient logging
...
For log4j, add the following to log4j.properties (in the application's source directory):
log4j.logger.org.apache=WARN
log4j.logger.httpclient=WARN
For logback, the following logback.xml will kill the noise:
<configuration>
<logger name="org.apache" level="WARN" />
...
How to redirect all HTTP requests to HTTPS
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@Cat, as I was saying in my answer/comments, if you're trying to "redirect all insecure HTTP [...] to HTTPS", this approach will not make those requests secure, it will just make the browser make them twice, once insecure and ...
How to create a dialog with “yes” and “no” options?
... No problem :) There is usually more than one way to skin a cat. I just wanted to confirm my approach was working. Using the <form onsubmit="..."> as you suggested works too :)
– dana
Jun 4 '13 at 2:08
...
Tab Vs Space preferences in Vim
...o tab Vs. space preferences. As I understand it, the tabstop setting indicates the width of a tab character. The shiftwidth setting specifies how many columns to increment/decrement when using the << and >> commands, whereas the softtabstop setting influences the amount of whit...
Unable to verify leaf signature
...u need is to find a way to authorize it correctly (by setting up CA certificates properly, as other answers have already said).
– Bruno
May 29 '15 at 21:41
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bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...示预期的进程号和进程名信息。
12. 内核结构跟踪
# cat path.bt
#include <linux/path.h>
#include <linux/dcache.h>
kprobe:vfs_open
{
printf("open path: %s\n", str(((struct path *)arg0)->dentry->d_name.name));
}
# bpftrace path.bt
Attaching 1 probe...
open path: dev...
RSpec controller testing - blank response.body
...uestion), it occurred to me that there are different ways to skin the same cat. In other words, rather than checking for the body text, you might be able to check the content of the flash.
response.body.should =~ /Invalid email or password/
might be an equivalent check to:
flash[:alert].should...
Counting occurrences in Vim without marking the buffer changed
...
:!cat %| grep -c "pattern"
It's not exactly vim command, but it will give you what you need from vim.
You can map it to the command if you need to use it frequently.
...