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How to reuse an ostringstream?
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Actually even this isnt correct. I just did s.str(""); instead. auto str = s.str(); auto cstr = str.c_str(); file << cstr; s.clear(); s.seekp(0); s << ends;
– user34537
Jun 6 '11 at 16:20
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What is the difference between the $parse, $interpolate and $compile services?
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Those are all examples of services that aid in AngularJS view rendering (although $parse and $interpolate could be used outside of this domain). To illustrate what is the role of each service let's take example of this piece of HTML:
var imgHtml = '<img ng-src=...
What is a callback URL in relation to an API?
I've been scouring the net, and can't seem to wrap my head around the idea of a callback URL. In my case I have a few callback URLs that I have to define myself. A popular one is a "default callback URL". What is this exactly? Can you give an example in plain english?
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Good ways to sort a queryset? - Django
...or.attrgetter('last_name'))
In Django 1.4 and newer you can order by providing multiple fields.
Reference: https://docs.djangoproject.com/en/dev/ref/models/querysets/#order-by
order_by(*fields)
By default, results returned by a QuerySet are ordered by the ordering tuple given by the ordering opt...
Cast a Double Variable to Decimal
...compiler error? I've been bitten by that so many times that I actively avoid Convert...
– Peter Ritchie
May 20 '11 at 16:32
8
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ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...ADO.NET functionality into a DB-Class(me too 10 years ago). Mostly they decide to use static/shared objects since it seems to be faster than to create a new object for any action.
That is neither a good idea in terms of peformance nor in terms of fail-safety.
Don't poach on the Connection-Pool's t...
TCP loopback connection vs Unix Domain Socket performance
Working on an Android and iOS based application which require communication with a server running in the same device. Currently using TCP loopback connection for communicating with App and Server (App written in user layer, server written in C++ using Android NDK)
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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
...gnment operator or destructor, and if the generated move constructor is valid (§12.8/10).
The move assignment operator is auto-generated if there is no user-declared copy constructor, copy assignment operator or destructor, and if the generated move assignment operator is valid (e.g. if it wouldn't...
What is the difference between C, C99, ANSI C and GNU C?
...y named ISO/IEC 9899:1990/Amd.1:1995. The main change was introduction of wide character support.
In 1999, the C standard went through a major revision (ISO 9899:1999). This version of the standard is called C99. From 1999-2011, this was "the C language".
In 2011, the C standard was changed again ...
Finding Number of Cores in Java
...s number of physical cores .
private int getNumberOfCPUCores() {
OSValidator osValidator = new OSValidator();
String command = "";
if(osValidator.isMac()){
command = "sysctl -n machdep.cpu.core_count";
}else if(osValidator.isUnix()){
command = "lscpu";
}else if(o...