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How to Generate unique file names in C#
...nds but still it generates duplicate name of files because im uploading multiple files at a time.
19 Answers
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When to use extern in C++
..._x here:
global_x = 5;
print_global_x();
}
source 2:
#include <iostream>
#include "header.h"
void print_global_x()
{
//print global_x here:
std::cout << global_x << std::endl;
}
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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
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By default Entity Framework uses lazy-loading for navigation properties. That's why these properties should be marked as virtual - EF creates proxy class for your entity and overrides navigation properties to allow lazy-loading. E.g....
How do I use reflection to invoke a private method?
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BindingFlags.NonPublic will not return any results by itself. As it turns out, combining it with BindingFlags.Instance does the trick.
MethodInfo dynMethod = this.GetType().GetMethod("Draw_" + itemType,
BindingFlags.NonPublic | BindingFlags.Instance);
...
Creating a new column based on if-elif-else condition
...== df['B'], 'C'] = 0
df.loc[df['A'] > df['B'], 'C'] = 1
df.loc[df['A'] < df['B'], 'C'] = -1
Easy to solve using indexing. The first line of code reads like so, if column A is equal to column B then create and set column C equal to 0.
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how to check if List element contains an item with a Particular Property Value
... is pretty easy to do using LINQ:
var match = pricePublicList.FirstOrDefault(p => p.Size == 200);
if (match == null)
{
// Element doesn't exist
}
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How Pony (ORM) does its tricks?
...ss"
FROM "Customer" "c"
WHERE "c"."country" = 'USA'
And below is the result of this query which will be printed out:
id|email |password|name |country|address
--+-------------------+--------+--------------+-------+---------
1 |john@example.com |*** |John Smith |USA...
“Cannot update paths and switch to branch at the same time”
...checkout -b mybranch (extra origin)
– Guillaume Renoult
Jan 11 '16 at 23:58
I copy-pasted my branch name and had trail...
How do I get the height and width of the Android Navigation Bar programmatically?
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galaxy s6 edge also does not return 0, although there's no navigation bar on the bottom. returns 192.
– agamov
Aug 11 '15 at 13:45
5
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Compare DATETIME and DATE ignoring time portion
...te-part of the day after DF2.
I.e. (DF1 >= CAST(DF2 AS DATE)) AND (DF1 < DATEADD(dd, 1, CAST(DF2 AS DATE)))
NOTE: It is very important that the comparison is >= (equality allowed) to the date of DF2, and (strictly) < the day after DF2. Also the BETWEEN operator doesn't work because it pe...