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Meaning of 'const' last in a function declaration of a class?
...t method on a const object. Consider if your foobar type had the following extra method declaration:
class foobar {
...
const char* bar();
}
The method bar() is non-const and can only be accessed from non-const values.
void func1(const foobar& fb1, foobar& fb2) {
const char* v1 = f...
Iterating over every two elements in a list
...works on sequences, the function works on any iterable; and this uses O(N) extra space, the function doesn't; on the other hand, this is generally faster. There are good reasons to pick one or the other; being afraid of import is not one of them.
– abarnert
Aug...
javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)
...hat.. Thanks alot mate.. :) . I just made the namespace mentioned to empty string.
– Arundev
Jun 13 '17 at 11:45
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PostgreSQL: How to make “case-insensitive” query
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Use LOWER function to convert the strings to lower case before comparing.
Try this:
SELECT id
FROM groups
WHERE LOWER(name)=LOWER('Administrator')
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How do I check if a Sql server string is null or empty
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@irfandar - Well, if you want to treat a string with all spaces as empty, go ahead use trim. Otherwise a string with all spaces is not empty.
– Martin Ba
Sep 2 '13 at 12:13
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How to check if a number is between two values?
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I prefer to put the variable on the inside to give an extra hint that the code is validating my variable is between a range values
if (500 < size && size < 600) { doStuff(); }
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What SOAP client libraries exist for Python, and where is the documentation for them? [closed]
...corator). Ladon exposes more interfaces than SOAP at the same time without extra user code needed.
pysimplesoap: very lightweight but useful for both client and server - includes a web2py server integration that ships with web2py.
SOAPpy: Distinct from the abandoned SOAPpy that's hosted at the ZSI l...
How do I install pip on macOS or OS X?
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An extra warning: don't run this when a homebrew based python installed and occurs earlier in PATH (e.g. when you change /etc/paths): it would install pip with root credentials for the wrong python
– acidju...
Should enums in C# have their own file? [closed]
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I wouldn't say "wasteful" (how much does an extra file cost?), but it is often inconventient. Usually there's one class that's most closely associtated with the enum, and I put them in the same file.
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How can I create a table with borders in Android?
... android:paddingTop="10dp"
android:text="@string/main_wo_colon"
android:textColor="@color/white"
android:textSize="16sp" />
<LinearLayout
android:layout_width="1dp"
...