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Cannot install packages using node package manager in Ubuntu
... package shall also provide a nodejs-legacy binary package at Priority: extra that contains /usr/bin/node as a symlink to
/usr/bin/nodejs. No package in the archive may depend on or recommend
the nodejs-legacy package, which is provided solely for upstream
compatibility. This package decl...
What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
...merable which can be lazily evaluated somewhat, whereas GetFiles returns a string[] which has to be fully populated before it can return.
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How to serialize SqlAlchemy result to JSON?
...(db.Integer, primary_key=True, auto_increment=True)
email = db.Column(db.String(200), unique=True)
@app.route('/users/')
def users():
users = User.query.all()
return jsonify(users)
if __name__ == "__main__":
users = User(email="user1@gmail.com"), User(email="user2@gmail.com")
db.crea...
How do I flush the cin buffer?
...implest, is to use std::getline() for example:
std::getline(std::cin, yourString);
... that will discard the input stream when it gets to a new-line. Read more about this function here.
Another option that directly discards the stream is this...
#include <limits>
// Possibly some other co...
How do you reverse a string in place in C or C++?
How do you reverse a string in C or C++ without requiring a separate buffer to hold the reversed string?
30 Answers
...
difference between width auto and width 100 percent
...rders.
width: 100%; will make the element as wide as the parent container. Extra spacing will be added to the element's size without regards to the parent. This typically causes problems.
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GridLayout and Row/Column Span Woe
...
It feels pretty hacky, but I managed to get the correct look by adding an extra column and row beyond what is needed. Then I filled the extra column with a Space in each row defining a height and filled the extra row with a Space in each col defining a width. For extra flexibility, I imagine these ...
How to dynamically create a class?
... // NOTE: assuming your list contains Field objects with fields FieldName(string) and FieldType(Type)
foreach (var field in yourListOfFields)
CreateProperty(tb, field.FieldName, field.FieldType);
Type objectType = tb.CreateType();
return objectTy...
Get local IP address
...
To get local Ip Address:
public static string GetLocalIPAddress()
{
var host = Dns.GetHostEntry(Dns.GetHostName());
foreach (var ip in host.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
return ip.ToStr...
how can you easily check if access is denied for a file in .NET?
...ened after the required attempts</returns>
public FileStream TryOpen(string filePath, FileMode fileMode, FileAccess fileAccess,FileShare fileShare,int maximumAttempts,int attemptWaitMS)
{
FileStream fs = null;
int attempts = 0;
// Loop allow multiple attempts
while (true)
...