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parseInt vs unary plus, when to use which?
...erested in catching email input instead of userId, value omitted entirely, etc.), whereas parseInt is too liberal.
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What is memory fragmentation?
...(because each of the large blocks it has allocated from the OS, for malloc etc. to sub-divide, has something left in it, even though most of each block is now unused).
Tactics to prevent memory fragmentation in C++ work by allocating objects from different areas according to their size and/or their ...
Paste multiple times
...lines (using . to great effect), then the second edit on a bunch of lines, etc. Alternatively, the use of macros may help as they are fantastic, but sometimes a little more tedious to get working correctly with "complex" changes.
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@Transactional(propagation=Propagation.REQUIRED)
...behaviours adopted for Transaction management, such as REQUIRED, ISOLATION etc. you'll have to understand the basics of transaction management itself.
Read Trasaction management for more on explanation.
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Is there a method to generate a UUID with go language
...ic range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though.
If you are on linux, you can alternatively call /usr/bin/uuidgen.
package main
import (
"fmt"
"log"
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Java SafeVarargs annotation, does a standard or best practice exist?
... as an argument to a parameter of type T[], getting the array type using .getClass(), passing it to methods that depend on the runtime type of the array, like List.toArray() and Arrays.copyOf(), etc.
2) The distinction I mentioned above is too complicated to be easily distinguished automatically.
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How can I convert string date to NSDate?
... */
let date = dateFormatter.dateFromString(/* your_date_string */)
For further query, check NSDateFormatter and DateFormatter classes of Foundation framework for Objective-C and Swift, respectively.
Swift 3 and later (Swift 4 included)
let dateFormatter = DateFormatter()...
What exactly is a C pointer if not a memory address?
... In a C interpreter, a pointer may hold a non-address ID/handle/etc.
– Alexey Frunze
Mar 1 '13 at 6:03
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C#: Looping through lines of multiline string
...o common that it shouldn't require the calling code to be testing for null etc :) Having said that, if you do want to do a manual loop, this is the form that I typically prefer over Fredrik's:
using (StringReader reader = new StringReader(input))
{
string line;
while ((line = reader.ReadLin...
How can I get a count of the total number of digits in a number?
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.NET Core (x86)
"C:\Program Files (x86)\dotnet\dotnet.exe" bin\Release\netcoreapp2.2\ConsoleApp.dll
"C:\Program Files (x86)\dotnet\dotnet.exe" bin\x86\Release\netcoreapp2.2\ConsoleApp.dll
.NET Core (x64)
"C:\Program Files\dotnet\dotnet.exe" bin\Release\netcoreapp2.2\ConsoleApp.dll
"C:\Program...