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How do I convert a dictionary to a JSON String in C#?
...dited Jan 30 '15 at 22:17
James Newton-King
42.9k2222 gold badges105105 silver badges127127 bronze badges
answered Dec 7 '12 at 0:04
...
How to use sed to remove the last n lines of a file
...doing inplace edit, file is now 2173 lines!
If you want to save it into a new file, the code is:
sed -i '2174,$d' file > outputfile
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Deleting an object in java?
...rbage collector (not immediately, but eventually).
Example 1:
Object a = new Object();
a = null; // after this, if there is no reference to the object,
// it will be deleted by the garbage collector
Example 2:
if (something) {
Object o = new Object();
} // as you leave the block,...
What is the 'override' keyword in C++ used for? [duplicate]
... that it's an override, so it can "check" that you are not altering/adding new methods that you think are overrides.
To explain the latter:
class base
{
public:
virtual int foo(float x) = 0;
};
class derived: public base
{
public:
int foo(float x) override { ... } // OK
}
class...
What is the best way to compute trending topics or tags?
...topics in the last 24h". For example, Topix.com shows this in its section "News Trends". There, you can see the topics which have the fastest growing number of mentions.
...
Remove empty lines in text using Visual Studio
...into the following in VS 2012:
Remove single blank lines
Old:
^:b*$\n
New:
^(?([^\r\n])\s)*\r?$\r?\n
Visual Studio 2013 (thanks to BozoJoe and Joe Johnston):
^\s*$\n
Remove double blank lines
Old:
^:b*\n:b*\n
New:
^(?([^\r\n])\s)*\r?\n(?([^\r\n])\s)*\r?\n
Rolls right off your tongu...
How do you get a string from a MemoryStream?
...st for
' good practice, we'll close the MemoryStream.
Using ms As New MemoryStream
Dim sw As New StreamWriter(ms)
sw.WriteLine("Hello World")
' The string is currently stored in the
' StreamWriters buffer. Flushing the stream will
' force the string into the ...
Spring MVC: Complex object as GET @RequestParam
...ferencesJSon) {
String ret = null;
ObjectMapper mapper = new ObjectMapper();
try {
UserPreferences userPreferences = mapper.readValue(preferencesJSon, UserPreferences.class);
return someService.call(userPreferences);
} catch (IOException e) {...
API to automatically upload apk to Google Play? [closed]
...
As of today there is a new official publishing API That allows you to upload to any channel (ie. alpha, beta...) or update title and description and more.
From the docs:
Uploading new versions of an app Releasing apps, by assigning APKs to...
How do I use arrays in C++?
... dimensions except the first must be known at compile time:
int (*p)[7] = new int[6][7]; // okay
int (*p)[7] = new int[H][7]; // okay
int (*p)[W] = new int[6][W]; // ISO C++ forbids variable length array
int (*p)[W] = new int[H][W]; // ISO C++ forbids variable length array
This is how an...