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Clearing NSUserDefaults
...Defaults] to store application settings. This consists of roughly a dozen string values. Is it possible to delete these values permanently instead of just setting them to a default value?
...
How do I detect a click outside an element?
...completely when a user clicks on the head of these menus. I would like to hide these elements when the user clicks outside the menus' area.
...
How to get jQuery dropdown value onchange event
...
If you have simple dropdown like:
<select name="status" id="status">
<option value="1">Active</option>
<option value="0">Inactive</option>
</select>
Then you can use this code for getting value:
$(function(){
$("#status").change(functi...
Launching an application (.EXE) from C#?
...t this article on how to use it.
Process.Start("notepad", "readme.txt");
string winpath = Environment.GetEnvironmentVariable("windir");
string path = System.IO.Path.GetDirectoryName(
System.Windows.Forms.Application.ExecutablePath);
Process.Start(winpath + @"\Microsoft.NET\Framework...
Commenting in a Bash script inside a multiline command
...e '/^"{/d' | \
# more magic
sed -n -e '/^"/p' -e '/^print_value$/,/^option_id$/p' | \
# even more magic
sed -e '/^option_id/d' -e '/^print_value/d' -e 's/^"\(.*\)"$/\1/' | \
tr "\n" "," | \
# I hate phone numbers in my output
sed -e 's/,\([0-9]*-[0-9]*-[0-9]*\)/\n\1/g' -e 's/,$//' | \
# one more se...
In Python, how do I determine if an object is iterable?
...
Checking for __iter__ works on sequence types, but it would fail on e.g. strings in Python 2. I would like to know the right answer too, until then, here is one possibility (which would work on strings, too):
from __future__ import print_function
try:
some_object_iterator = iter(some_object)...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...设置App服务器：
module(load="imtcp")
template(name="msg" type="string" string="%msg:2:$%\n")
ruleset(name="analysis") {
action(type="omfile"
File="/path/to/access.log"
Template="msg")
stop
}
input(type="imtcp"
Port="<PORT>"
Ruleset="analysis...
Iterating over Java collections in Scala
...= it.hasNext
override def next() = it.next()
}
val jIterator: Iterator[String] = ... // iterating over a large dataset
scalaIterator(jIterator).take(2).map(_.length).foreach(println) // only first 2 elements are loaded to memory
It has similar concept but less verbose IMO :)
...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...设置App服务器：
module(load="imtcp")
template(name="msg" type="string" string="%msg:2:$%\n")
ruleset(name="analysis") {
action(type="omfile"
File="/path/to/access.log"
Template="msg")
stop
}
input(type="imtcp"
Port="<PORT>"
Ruleset="analysis...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...设置App服务器：
module(load="imtcp")
template(name="msg" type="string" string="%msg:2:$%\n")
ruleset(name="analysis") {
action(type="omfile"
File="/path/to/access.log"
Template="msg")
stop
}
input(type="imtcp"
Port="<PORT>"
Ruleset="analysis...