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linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e.log
visible_hostname 192.168.16.1
cache_mgr lindenstar@163.com
acl all src 0.0.0.0/0.0.0.0
http_access allow all
2.2 acl选项的格式如下：
acl列表名称 列表类型 [-i] 列表值
列表名称：用于区分Squid的各个访问控制列表，任何两个访问控制列表不...
How best to determine if an argument is not sent to the JavaScript function
...noid (see comments).
Using the || operator has become standard practice - all the cool kids do it - but be careful: The default value will be triggered if the argument evaluates to false, which means it might actually be undefined, null, false, 0, '' (or anything else for which Boolean(...) returns...
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
...ame problem, and finding almost no information online about it. Nothing at all in the books. Finally I found this sober query on stackoverflow and (ha!) it was the final impetus I needed to set up an account here.
And I have a partial answer, but alas not a complete one.
First of all, realise that...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...s dfs instead.
hdfs dfs <args>
same as 2nd i.e would work for all the operations related to HDFS and is the recommended command instead of hadoop dfs
below is the list categorized as hdfs commands.
namenode|secondarynamenode|datanode|dfs|dfsadmin|fsck|balancer|fetchdt|oiv|dfsgroups
...
cancelling a handler.postdelayed process
...nnable, SPLASH_DISPLAY_LENGTH);
And this to remove it: myHandler.removeCallbacks(myRunnable);
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Extension method and dynamic object
...aren't supported by dynamic typing in the form of extension methods, i.e. called as if they were instance methods. However, this will work:
dynamic dList = list;
Console.WriteLine(Enumerable.First(dList));
Of course, that may or may not be useful. If you could give more information about why and ...
How to use npm with node.exe?
...
The current windows installer from nodejs.org as of v0.6.11 (2012-02-20) will install NPM along with NodeJS.
NOTES:
At this point, the 64-bit version is your best bet
The install path for 32-bit node is "Program Files (x86)" in 64-bit windows.
Y...
GridLayout (not GridView) how to stretch all children evenly
...ubview to hold the components in the associated cell group."
Here is a small example that uses LinearLayout subviews. (I used Space Views that takes up unused area and pushes the buttons into desired position.)
<GridLayout
xmlns:android="http://schemas.android.com/apk/res/android"
andr...
Akka Kill vs. Stop vs. Poison Pill?
...fference between Akka Stop/Poison Pill vs. Kill ? The book offers just a small explaination "Kill is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during this time? Are the children actors notified during kill, post-stop envoked, etc? Example uses ...
How do I add a placeholder on a CharField in Django?
...
Look at the widgets documentation. Basically it would look like:
q = forms.CharField(label='search',
widget=forms.TextInput(attrs={'placeholder': 'Search'}))
More writing, yes, but the separation allows for better abstraction of more complic...