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Find all storage devices attached to a Linux machine [closed]

...2.6.17 and up): #! /bin/bash hal-find-by-property --key volume.fsusage --string filesystem | while read udi ; do # ignore optical discs if [[ "$(hal-get-property --udi $udi --key volume.is_disc)" == "false" ]]; then dev=$(hal-get-property --udi $udi --key block.device) f...
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Asp.net MVC ModelState.Clear

...iven this: public ViewResult SomeAction(SomeModel model) { model.SomeString = "some value"; return View(model); } The view renders with the original model, ignoring the changes. So I thought, maybe it does not like me using the same model, so I tried like this: public ViewResult SomeA...
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Simple regular expression for a decimal with a precision of 2

...e digit before and one after the decimal place. To require that the whole string is a number of this form, wrap the expression in start and end tags such as (in Perl's form): ^\d+(\.\d{1,2})?$ To match numbers without a leading digit before the decimal (.12) and whole numbers having a trailing p...
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创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

...这个表上建立物化视图日志如“CREATE MATERIALIZED VIEW LOG ON T_tablename;”,再到数据库B上创建数据库链接和快速刷新的物化视图如“create materialized view mv_tablename refresh fast on demand start with sysdate next sysdate+1/288 as select * from T_tablename@dbli...
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Which is better, return value or out parameter?

...es also prevent method chaining like this: Console.WriteLine(GetValue().ToString("g")); (Indeed, that's one of the problems with property setters as well, and it's why the builder pattern uses methods which return the builder, e.g. myStringBuilder.Append(xxx).Append(yyy).) Additionally, out para...
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How can I set the default timezone in node.js?

...rdam' > d = new Date() Sat, 24 Mar 2012 05:50:39 GMT > d.toLocaleTimeString() '06:50:39' > ""+d 'Sat Mar 24 2012 06:50:39 GMT+0100 (CET)' You can't change the timezone later though, since by then Node has already read the environment variable. ...
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How do I convert an object to an array?

... class and return its results. Be careful, for primitive data types like strings it will work great, but I don't know how it behaves with nested objects. in your case you have to do something like; <?php print_r(get_object_vars($response->response->docs)); ?> ...
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How to delete an element from an array in C#

...e that is written in the question has a bug in it Your arraylist contains strings of " 1" " 3" " 4" " 9" and " 2" (note the spaces) So IndexOf(4) will find nothing because 4 is an int, and even "tostring" would convert it to of "4" and not " 4", and nothing will get removed. An arraylist is the c...
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“Git fatal: ref HEAD is not a symbolic ref” while using maven release plugin

...ield empty can work for this, too: "If selected, and its value is an empty string or **, then the branch name is computed from the remote branch without the origin." – evgeny9 Aug 14 '19 at 12:39 ...
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How to change menu item text dynamically in Android

...blic class YourActivity extends Activity { private Menu menu; private String inBedMenuTitle = "Set to 'In bed'"; private String outOfBedMenuTitle = "Set to 'Out of bed'"; private boolean inBed = false; @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsM...