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Creating hard and soft links using PowerShell
... Worked also on a Windows10 system.
– FooF
Feb 21 '19 at 4:09
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How to 'bulk update' with Django?
...hould be able to use:
ModelClass.objects.filter(name='bar').update(name="foo")
You can also use F objects to do things like incrementing rows:
from django.db.models import F
Entry.objects.all().update(n_pingbacks=F('n_pingbacks') + 1)
See the documentation.
However, note that:
This won't ...
What is the difference between Type and Class?
...think of a 'type' as an umbrella term for 'classes' and 'primitives'.
int foo; // Type is int, class is nonexistent.
MyClass foo; // Type is MyClass, class is MyClass
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Authoritative position of duplicate HTTP GET query keys
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@IanClark It's intuitive to PHP coders - in plain PHP, $foo[] = 1 appends to an array. Django (Python) also does the same thing.
– Izkata
Dec 10 '13 at 17:52
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Python naming conventions for modules
...rcase. This leads to imports like the following:
from nib import Nib
from foo import Foo
from spam.eggs import Eggs, FriedEggs
It's a bit like emulating the Java way. One class per file. But with the added flexibility, that you can allways add another class to a single file if it makes sense.
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Removing colors from output
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If I do echo "$(tput setaf 1)foo$(tput sgr0) bar" | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[mGK]//g" | cat -A , I get : foo^O bar$ So I guess some characters are not correctly removed, right ? Do you know how to correct ?
– edi9...
Is it faster to count down than it is to count up?
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In C to psudo-assembly:
for (i = 0; i < 10; i++) {
foo(i);
}
turns into
clear i
top_of_loop:
call foo
increment i
compare 10, i
jump_less top_of_loop
while:
for (i = 10; i >= 0; i--) {
foo(i);
}
turns into
load i, 10
top_of_loop:
ca...
Multiline string literal in C#
...nt of a string to form a verbatim string literal:
string query = @"SELECT foo, bar
FROM table
WHERE id = 42";
You also do not have to escape special characters when you use this method, except for double quotes as shown in Jon Skeet's answer.
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Override compile flags for single files
...rce file builds.
You should be able to countermand the -Weffc++ flag for foo.cpp by doing
set_source_files_properties(foo.cpp PROPERTIES COMPILE_FLAGS -Wno-effc++)
This should have the effect of adding -Wno-effc++ after -Weffc++ in the compiler command, and the latter setting wins. To see the ...
BAT file: Open new cmd window and execute a command in there
...te to transmit you might consider generating a batch file at runtime:
set foo=Hello, World
set list_me=%userprofile%
set tmpdir=c:\windows\temp
set tmp=%tmpdir%\tmp.foo
del /q /f "%tmp%"
echo.echo %foo%>>"%tmp%"
echo.dir "%list_me%">>>"%tmp"
start cmd.exe "%tmp%"
del /q /f "%tmp...