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Move capture in lambda
...t;type_traits>
#include <functional>
namespace detail
{
enum selection_enabler { enabled };
}
#define ENABLE_IF(...) std::enable_if_t<(__VA_ARGS__), ::detail::selection_enabler> \
= ::detail::enabled
// This allows forwarding an object using the copy c...
What do the f and t commands do in Vim?
...h occurrence of a given letter 100% correct. With v you can see the visual selection, a nice visual cue.
– Bentley4
Nov 27 '13 at 19:00
2
...
How to generate keyboard events in Python?
... uparrow = 0x26
rightarrow = 0x27
downarrow = 0x28
select = 0x29
print = 0x2A
execute = 0x2B
printscreen = 0x2C
insert = 0x2D
delete = 0x2E
help = 0x2F
num0 = 0x30
num1 = 0x31
num2 = 0x32
num3 = 0...
How to upload a file in Django? [closed]
...ss DocumentForm(forms.Form):
docfile = forms.FileField(
label='Select a file',
help_text='max. 42 megabytes'
)
4. View: myproject/myapp/views.py
A view where all the magic happens. Pay attention how request.FILES are handled. For me, it was really hard to spot the fact tha...
Detect Windows version in .net
...;
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_OperatingSystem"))
{
ManagementObjectCollection information = searcher.Get();
if (information != null)
{
foreach (ManagementObject obj in information)
{
r = obj["Cap...
NSAttributedString add text alignment
... least it displayed the line as centered, but the thing seems to be buggy, selection doesn't work properly with centered text.
– omz
Jul 24 '11 at 0:53
...
What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?
...zontal and vertical options for the Entry and changed the text to show the selected options, so you can see how the Entry moves and resizes.
Here is the code used for Start:
<Label Text="Vert: Start, Horz: Start" VerticalOptions="Start" HorizontalOptions="Start" BackgroundColor="White"/>
And...
Command line: piping find results to rm
...
find /usr/www/bar/htdocs -mtime +15 -exec rm {} \;
Will select files in /usr/www/bar/htdocs older than 15 days and remove them.
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Best practices for SQL varchar column length [closed]
...hen you need to worry about it and make them smaller. But if you only ever select 1 row from that table, then you can just make them all 255 and it won't matter.
See: What are the optimum varchar sizes for MySQL?
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...
How do I make an attributed string using Swift?
...ng: " Attributed Strings")
myString.append(attrString)
Next we'll just select the "Strings" word, which starts at index 17 and has a length of 7. Notice that this is an NSRange and not a Swift Range. (See this answer for more about Ranges.) The addAttribute method lets us put the attribute key n...