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Add & delete view from Layout
...ld");
ViewGroup Layout = (LinearLayout) getActivity().findViewById(R.id.my_layout);
layout.addView(view);
There are also a number of remove methods. Check the documentation of ViewGroup.
One simple way to remove view from a layout can be like,
layout.removeAllViews(); // then you will end up h...
OwinStartup not firing
...t there is no weapon against such bad decisions.
– ps_ttf
Jul 15 '16 at 9:50
23
Amazing. Every ti...
C# Linq Group By on multiple columns [duplicate]
...
@jazmatician _ I agree with you on the point that re-using x might confuse some, but not on the choice for variable names. I'll change it to x and y to diferentiate.
– Jamiec
Nov 19 '12 at 15:51
...
How to initialize an array's length in JavaScript?
...(4).forEach(() => …)
OR
( typescript safe )
Array(6).fill(null).map((_, i) => i);
// [0, 1, 2, 3, 4, 5]
OR
Classic method using a function ( works in any browser )
function NewArray(size) {
var x = [];
for (var i = 0; i < size; ++i) {
x[i] = i;
}
return x;
}
va...
Where is the C auto keyword used?
...
The page linked is outdated. Since C11, there's also _Thread_local details: en.cppreference.com/w/c/language/storage_duration and stackoverflow.com/a/14289720/6557621
– MCCCS
Jun 7 '18 at 16:02
...
GLib compile error (ffi.h), but libffi is installed
...sr/local/src/utils/libffi-3.0.9.tar.gz
cd libffi-3.0.9
/bin/perl -pe 's#^AM_CFLAGS = .*#AM_CFLAGS = -g#' -i Makefile.in
/bin/perl -pe 's#^includesdir = .*#includesdir = \@includedir\@#' -i include/Makefile.in
./configure --prefix=/usr/local \
--includedir=/usr/local/include
gmake
gmake install
...
Convert SQLITE SQL dump file to POSTGRESQL
...made constraint such as this:
CREATE TABLE tablename (
...
unsigned_column_name integer CHECK (unsigned_column_name > 0)
);
While SQLite defaults null values to '', PostgreSQL requires them to be set as NULL.
The syntax in the SQLite dump file appears to be mostly compatible with Postgre...
What's the difference between a mock & stub?
... answered Apr 18 '12 at 20:05
mk_mk_
2,45733 gold badges2424 silver badges
BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
文章源自：https://www.gandalf.site/2018/11/ble_23.html
参考低功耗蓝牙（BLE）安全初探
0x1 信道BLE的物理通道即“频道，分别是‘f=2402+k*2 MHz, k=0, … ,39’，带宽为2MHz”的40个RF Channel。
其中，有3个信道是advertising channel（广播通道）...
Extracting Nupkg files using command line
...
did the same thing like this:
clear
cd PACKAGE_DIRECTORY
function Expand-ZIPFile($file, $destination)
{
$shell = New-Object -ComObject Shell.Application
$zip = $shell.NameSpace($file)
foreach($item in $zip.items())
{
$shell.Namespace($destination...