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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
...g bugs like:
using namespace std; // I'm lazy.
cout << hex << setw(8) << setfill('0') << x << endl;
// Oops! Forgot to set the stream back to decimal mode.
If instead, you wrote something like:
cout << pad(to_hex(x), 8, '0') << endl;
There would be no...
What is the difference between an int and an Integer in Java and C#?
... Integer(6);
You could call some method on i:
String s = i.toString();//sets s the string representation of i
Whereas with an int:
int i = 6;
You cannot call any methods on it, because it is simply a primitive. So:
String s = i.toString();//will not work!!!
would produce an error, because...
How can I apply a function to every row/column of a matrix in MATLAB?
... using ==> arrayfun
Non-scalar in Uniform output, at index 1, output 1.
Set 'UniformOutput' to false.
Error in ==> @(func,matrix)arrayfun(applyToGivenRow(func,matrix),1:size(matrix,1))'
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Sending Arguments To Background Worker?
...ation(bw, arg);
// If the operation was canceled by the user,
// set the DoWorkEventArgs.Cancel property to true.
if (bw.CancellationPending)
{
e.Cancel = true;
}
}
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How to change the color of an svg element?
...
Added a test page - to color SVG via Filter settings:
E.G
filter: invert(0.5) sepia(1) saturate(5) hue-rotate(175deg)
Upload & Color your SVG - Jsfiddle
Took the idea from: https://blog.union.io/code/2017/08/10/img-svg-fill/
...
How can I add a help method to a shell script?
...e, the universe and everything
where:
-h show this help text
-s set the seed value (default: 42)"
seed=42
while getopts ':hs:' option; do
case "$option" in
h) echo "$usage"
exit
;;
s) seed=$OPTARG
;;
:) printf "missing argument for -%s\n" "$OPTARG" >...
node.js global variables?
...t a good pattern to follow? As in should I do this or should I use express set? Thanks
– Harry
Mar 28 '11 at 3:34
4
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Retrieving the inherited attribute names/values using Java Reflection
...
Use Reflections library:
public Set<Field> getAllFields(Class<?> aClass) {
return org.reflections.ReflectionUtils.getAllFields(aClass);
}
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Are there any standard exit status codes in Linux?
...it status? Traditionally, the shell only stores an 8-bit return code, but sets the high bit if the process was abnormally terminated.
$ sh -c 'exit 42'; echo $?
42
$ sh -c 'kill -SEGV $$'; echo $?
Segmentation fault
139
$ expr 139 - 128
11
If you're seeing anything other than this, then the pro...
安卓防止息屏方案深度调研 - 小米红米MIUI专项解决 - App应用开发 - 清泛IT...
...理生命周期
- 缺点：仅Activity前台有效
方案2：View.setKeepScreenOn(true)
view.setKeepScreenOn(true);
某个View可见时生效，不需要权限
方案3：WakeLock（PowerManager）
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
WakeLo...