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What is the difference between user and kernel modes in operating systems?
...
Kernel Mode
In Kernel mode, the executing code has complete and unrestricted
access to the underlying hardware. It
can execute any CPU instruction and
reference any memory address. Kernel
mode is generally reserved for the
lowest-level, most truste...
How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
...k well.
Python 2.7 and above also support dict comprehensions. That syntax is {el:0 for el in a}.
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How to use cURL to get jSON data and decode the data?
...URNTRANSFER, true);
// Set the url
curl_setopt($ch, CURLOPT_URL,$url);
// Execute
$result=curl_exec($ch);
// Closing
curl_close($ch);
// Will dump a beauty json :3
var_dump(json_decode($result, true));
Using file_get_contents
$result = file_get_contents($url);
// Will dump a beauty json :3
var_d...
How do i put a border on my grid in WPF?
...ound all four sides of the grid and I achieved it like so...
<DataGrid x:Name="dgDisplay" Margin="5" BorderBrush="#1266a7" BorderThickness="1"...
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map function for objects (instead of arrays)
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What are the rules for JavaScript's automatic semicolon insertion (ASI)?
...insertion (also known as ASI for brevity):
empty statement
var statement
expression statement
do-while statement
continue statement
break statement
return statement
throw statement
The concrete rules of ASI, are described in the specification §11.9.1 Rules of Automatic Semicolon Insertion
Three c...
Ignoring SSL certificate in Apache HttpClient 4.3
...ave to use the TrustSelfSignedStrategy when creating your client:
SSLContextBuilder builder = new SSLContextBuilder();
builder.loadTrustMaterial(null, new TrustSelfSignedStrategy());
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
builder.build());
CloseableHttpClient htt...
How do I convert a Java 8 IntStream to a List?
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IntStream::boxed
IntStream::boxed turns an IntStream into a Stream<Integer>, which you can then collect into a List:
theIntStream.boxed().collect(Collectors.toList())
The boxed method converts the int primitive values of an IntS...
JUnit 4 Test Suites
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You can create a suite like so. For example an AllTest suite would look something like this.
package my.package.tests;
@RunWith(Suite.class)
@SuiteClasses({
testMyService.class,
testMyBackend.class,
...
})
public class AllTests {}
Now you can ru...
Dynamically set local variable [duplicate]
...y to other answers already posted you cannot modify locals() directly and expect it to work.
>>> def foo():
lcl = locals()
lcl['xyz'] = 42
print(xyz)
>>> foo()
Traceback (most recent call last):
File "<pyshell#6>", line 1, in <module>
foo()
File ...