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How to run a program without an operating system?
...her such weird keys after power-on until you get a boot menu where you can select to boot from the USB.
It is often possible to configure the search order in those menus.
For example, on my T430 I see the following.
After turning on, this is when I have to press Enter to enter the boot menu:
The...
Request Monitoring in Chrome
...
1.open developer tools in chrome(or use right click on your page and then select inspect element)
2.go to "Network" tab
3.find your ajax request in "Name Path" column
4.click on the specific ajax link
now you should see a new Panel in front of you request
in this panel select "Response" tab
...
Installing Numpy on 64bit Windows 7 with Python 2.7.3 [closed]
...aking advantage of the included "Python Environment" Window. "Overview" is selected within the window as default. You can select "Pip" there.
Then you can install numpy without additional work by entering numpy into the seach window. The coresponding "install numpy" instruction is already suggested...
Hibernate error - QuerySyntaxException: users is not mapped [from users]
... bean class name is UserDetails
Query query = entityManager. createQuery("Select UserName from **UserDetails** ");
You do not give your table name on the Db. you give the class name of bean.
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How can I reliably determine the type of a variable that is declared using var at design time?
...o resolve the type. For instance:
var items = myList.OfType<Foo>().Select(foo => foo.Bar);
The return type is IEnumerable<Bar>, but resolving this required knowing:
myList is of type that implements IEnumerable.
There is an extension method OfType<T> that applies to IEnume...
In c# what does 'where T : class' mean?
...
Voted down, it must not be selected as answer.
– Jonathan
Aug 22 at 17:30
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How to disable copy/paste from/to EditText
...y,paste,cut and custom context menus from appearing by.
edittext.setCustomSelectionActionModeCallback(new ActionMode.Callback() {
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
public void onDestroyActionMode(Ac...
Removing all empty elements from a hash / YAML?
...mplementation is not recursive. As a curiosity, they implemented it using #select instead of #delete_if for performance reasons. See here for the benchmark.
In case you want to backport it to your Rails 3 app:
# config/initializers/rails4_backports.rb
class Hash
# as implemented in Rails 4
# ...
Find and extract a number from a string
...n(string.Empty, Regex.Matches(subjectString, @"\d+").OfType<Match>().Select(m => m.Value));
– Markus
Jul 26 '14 at 4:53
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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?
...shion. The "best" way to break is by compilation error. For example if you SELECT * somewhere, the addition of a column could fail to compile. The next best way to fail would be a run time error. It's worse because your users may see it, but it still gives you a nice warning that you've broken somet...