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PHP random string generator
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Note: str_shuffle() internally uses rand(), which is unsuitable for cryptography purposes (e.g. generating random passwords). You want a secure random number generator instead. It also doesn't allow characters to repeat.
One more way.
UPDATED...
Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...Workaround(activity);
}
private View mChildOfContent;
private int usableHeightPrevious;
private FrameLayout.LayoutParams frameLayoutParams;
private AndroidBug5497Workaround(Activity activity) {
FrameLayout content = (FrameLayout) activity.findViewById(android.R.id.conte...
C++: const reference, before vs after type-specifier
...ference itself is immutable, which is redundant; when dealing with const pointers both Fred const* and Fred* const are valid but different.
It's a matter of style, but I prefer using const as a suffix since it can be applied consistently including const member functions.
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Java 8 Iterable.forEach() vs foreach loop
...Can't use non-final variables. So, code like the following can't be turned into a forEach lambda:
Object prev = null;
for(Object curr : list)
{
if( prev != null )
foo(prev, curr);
prev = curr;
}
Can't handle checked exceptions. Lambdas aren't actually forbidden from throwing che...
Automatic Retina images for web sites
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There's no "good" way to convert in that direction, thus the "where possible". But with the exception of photography sites etc. you're generally going to be creating your art assets so I'd recommend having them done as vectors, which can easily be co...
How to create a drop-down list?
...using String array with static values, what if data comes from web service into the spinner(drop down)`? How should we do that?
– Zubair Ahmed
Aug 6 '13 at 6:57
3
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EF Code First foreign key without navigation property
...lways need at least one navigation property to create a foreign key constraint in the database.
If you are using Code First Migrations you have the option to add a new code based migration on the package manager console (add-migration SomeNewSchemaName). If you changed something with your model or ...
What is the easiest way to get the current day of the week in Android?
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Use the Java Calendar class.
Calendar calendar = Calendar.getInstance();
int day = calendar.get(Calendar.DAY_OF_WEEK);
switch (day) {
case Calendar.SUNDAY:
// Current day is Sunday
break;
case Calendar.MONDAY:
// Current day is Monday
break;
case Calen...
What does the @ symbol before a variable name mean in C#? [duplicate]
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The @ symbol allows you to use reserved word. For example:
int @class = 15;
The above works, when the below wouldn't:
int class = 15;
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How to get the ActionBar height?
...getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true))
{
Int actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,getResources().getDisplayMetrics());
}
Kotlin:
val tv = TypedValue()
if (requireActivity().theme.resolveAttribute(android.R.attr.actionBarSize, tv, true)...