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How to get the number of characters in a std::string?
...alue. However when dealing with C-Style strings, you would use strlen().
#include <iostream>
#include <string.h>
int main(int argc, char **argv)
{
std::string str = "Hello!";
const char *otherstr = "Hello!"; // C-Style string
std::cout << str.size() << std::endl;
...
How do you rename a MongoDB database?
...(e.g.: dbName.collection) that describes every single collection and index includes the database name, so to rename a set of database files, every single namespace string would have to be rewritten. This impacts:
the .ns file
every single numbered file for the collection
the namespace fo...
Add property to anonymous type after creation
...t know if that's really what you want. Some more details on the situation (including code samples) would be ideal.
Alternatively, you could create a container object which always had an ID and whatever other object contained the rest of the properties.
...
Adding an identity to an existing column
...existing ID in the table, e.g. IDENTITY (2435457, 1). You might be able to include both the ALTER TABLE...SWITCH and the DBCC CHECKIDENT in a transaction (or not-- haven't tested this) but seems like setting the seed value manually will be easier and safer.
Obviously, if no new rows are being adde...
Calendar returns wrong month [duplicate]
...thValue(); // Returns 1-12 as values.
Month enum
The java.time classes include the handy Month enum, by the way. Use instances of this class in your code rather than mere integers to make your code more self-documenting, provide type-safety, and ensure valid values.
Month month = today.getMonth...
Get the string representation of a DOM node
...ent DOM interface gets the serialized HTML fragment describing the element including its descendants. It can be set to replace the element with nodes parsed from the given string.
https://developer.mozilla.org/en-US/docs/Web/API/Element/outerHTML
...
jQuery document.createElement equivalent?
...ished.
This gives you the ability to specify any arbitrary HTML you like, including class names or other attributes, which you might find more concise than using createElement and then setting attributes like cellSpacing and className via JS.
...
Best way to get InnerXml of an XElement?
...es, 1000 times in a row, and taking the average (mean) of 5 runs. I didn't include the time it took to load and parse the XML into an XmlDocument (for the System.Xml method) or XDocument (for all the others).
The LINQ algorithms I used were: (C# - all take an XElement "parent" and return the inner ...
Ship an application with a database
...all three types of SQL comments will be ignored by the sql parser that is included in this example.)
--CREATE TABLE "kitchen_table"; This is one type of comment in sql. It is ignored by parseSql.
/*
* CREATE TABLE "coffee_table"; This is a second type of comment in sql. It is ignored by parseS...
Cutting the videos based on start and end time using ffmpeg
...00:03 -t 00:00:08 -async 1 cut.mp4
When re-encoding you may also wish to include additional quality-related options or a particular AAC encoder. For details, see ffmpeg's x264 Encoding Guide for video and AAC Encoding Guide for audio.
Also, the -t option specifies a duration, not an end time. T...