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Concatenating two std::vectors
...ethod is a not such a good way. It will call push_back multiple time which means that if a lot of elements have to be inserted this could mean multiple reallocations. it is better to use insert as the vector implementation could do some optimization to avoid reallocations. it could reserve memory be...
How to set margin of ImageView using code, not xml
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android.view.ViewGroup.MarginLayoutParams has a method setMargins(left, top, right, bottom). Direct subclasses are: FrameLayout.LayoutParams, LinearLayout.LayoutParams and RelativeLayout.LayoutParams.
Using e.g. LinearLayout:
Li...
Is C++ context-free or context-sensitive?
...t on how they have been declared (types and functions, for example), which means that the formal language would have to recognize the fact that two arbitrary-length strings in the same program are identical (declaration and use). This can be modelled by the "copy" grammar, which is the grammar which...
Populating spinner directly in the layout xml
...tem>
</string-array>
In your layout:
<Spinner
android:id="@+id/spinner"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:drawSelectorOnTop="true"
android:entries="@array/array_name"
/>
I've heard this doe...
Command-line Unix ASCII-based charting / plotting tool
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What does the options are feed 79 24' message mean? Is that height and width? Can you expand your example to set them?
– einpoklum
May 11 '16 at 13:02
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Weird PHP error: 'Can't use function return value in write context'
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You mean
if (isset($_POST['sms_code']) == TRUE ) {
though incidentally you really mean
if (isset($_POST['sms_code'])) {
share
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Do SVG docs support custom data- attributes?
...red in XML attributes whose names start with data- such as <p data-myid="123456"> . Is this part of the SVG spec too?
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How to check if an object is a generator object in python?
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You mean generator functions ? use inspect.isgeneratorfunction.
EDIT :
if you want a generator object you can use inspect.isgenerator as pointed out by JAB in his comment.
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What is the difference between NULL, '\0' and 0?
...e, not C++.
Null Pointers
The integer constant literal 0 has different meanings depending upon the context in which it's used. In all cases, it is still an integer constant with the value 0, it is just described in different ways.
If a pointer is being compared to the constant literal 0, then t...
Fragment over another fragment issue
...have to call .show again after top fragment is popped off the stack, which means the bottom fragment has to be informed the top one is gone. It's just added extra logic to maintain.
– X.Y.
Nov 14 '19 at 3:20
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