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How to efficiently concatenate strings in go
In Go, a string is a primitive type, which means it is read-only, and every manipulation of it will create a new string.
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Why should I declare a virtual destructor for an abstract class in C++?
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{
public:
virtual void DoFoo() = 0;
};
class Bar : public IFoo
{
char* dooby = NULL;
public:
virtual void DoFoo() { dooby = new char[10]; }
void ~Bar() { delete [] dooby; }
};
IFoo* baz = new Bar();
baz->DoFoo();
delete baz; // memory leak - dooby isn't deleted
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MySQL Results as comma separated list
...output a comma-delimited list to the page, use GROUP_CONCAT(CAST(s.name AS CHAR)) or else it will just return something wholly unuseful like [BLOB - 20 Bytes].
– devios1
Mar 1 '12 at 15:52
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TextView Marquee not working [duplicate]
... android:id="@+id/textView_News_HeadLine"
style="@style/black_extra_large_heading_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_marginLeft="8dp"
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Convert seconds to HH-MM-SS with JavaScript?
How can I convert seconds to an HH-MM-SS string using JavaScript?
34 Answers
34
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How to check BLAS/LAPACK linkage in NumPy and SciPy?
...gt; import numpy as np
>>> np.show_config()
lapack_opt_info:
extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
extra_compile_args = ['-msse3']
define_macros = [('NO_ATLAS_INFO', 3)]
blas_opt_info:
extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
extra_compile...
What does the question mark in Java generics' type parameter mean?
...tract subclasses, but also sub-interfaces: List<? extends Collection<String>> list = new ArrayList<List<String>>();.
– Mark Peters
Jun 10 '10 at 15:08
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How to store int[] array in application Settings
...ing with desired name (e.g. SomeTestSetting) and make it of any type (e.g. string by default).
Save the changes.
Now go to your project folder and open the "Properties\Settings.settings" file with text editor (Notepad, for example) Or you can open it in VS by right-clicking in Solution Explorer on ...
Open Redis port for remote connections
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in config file I added string bind 0.0.0.0 after string bind 127.0.0.1. Restarted redis. And now can connect remotly.
– Maxim Yefremov
Sep 30 '13 at 10:08
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SQL - find records from one table which don't exist in another
... Phone_book USING (id)
WHERE Phone_book.id IS NULL
This will return the extra id-s that are missing in your Phone_book table.
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