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Const before or const after?
...bably know that const can be used to make either an object's data or a pointer not modifiable or both.
7 Answers
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Forward an invocation of a variadic function in C
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If you don't have a function analogous to vfprintf that takes a va_list instead of a variable number of arguments, you can't do it. See http://c-faq.com/varargs/handoff.html.
Example:
void myfun(const char *fmt, va_list argp) {
vfprintf(stderr, fmt, argp);
}
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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...
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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Fragment transaction animation: slide in and slide out
...lns:android="http://schemas.android.com/apk/res/android"
android:shareInterpolator="false">
<translate
android:fromXDelta="-100%p" android:toXDelta="0%"
android:fromYDelta="0%" android:toYDelta="0%"
android:duration="@android:integer/config_mediumAnimTime"/>
</s...
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...
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...
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 ...
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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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...