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When do I use fabs and when is it sufficient to use std::abs?
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There is one more reason to recommend std::fabs for floating-point inputs explicitly.
If you forget to include <cmath>, your std::abs(my_float_num) can be std::abs(int) instead of std::abs(float). It's hard to notice.
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How can I delete a service in Windows?
...and their statuses:
SC QUERY state= all >"C:\Service List.txt"
For a more concise list, execute this command:
SC QUERY state= all | FIND "_NAME"
The short service name will be listed just above the display name, like this:
SERVICE_NAME: MyService
DISPLAY_NAME: My Special Service
And thus...
How to implement an android:background that doesn't stretch?
...". This will allow image resize to fit the screen. Study @Santosh link for more info. Thanks!
– Hugo
Nov 12 '14 at 8:37
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Why are Subjects not recommended in .NET Reactive Extensions?
... by allowing side effects and causality programming to spin your head even more.
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How can I get the DateTime for the start of the week?
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Script entire database SQL-Server
... It's much faster than scripting from management studio and it's output is more version control friendly. It supports scripting both schema and data.
To generate scripts run:
schemazen.exe script --server localhost --database db --scriptDir c:\somedir
Then to recreate the database from scripts r...
What's the difference between a file descriptor and file pointer?
...n compared to open(). In general you should be using fopen() since that is more portable and you can use all the other standard C functions that uses the FILE struct, i.e., fprintf() and family.
There are no performance issues using either.
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How to change column datatype in SQL database without losing data
...cript like this. The GUI will drop and recreate the table and that is much more time consuming. If the table is large and on production, this can be disastrous. Plus all table changes should have a script that is in source control like all other code.
– HLGEM
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JPA: unidirectional many-to-one and cascading delete
...make it work this way, is there any specific version of hibernate or other more detailed example like this?
– Mardari
Jan 18 '17 at 15:42
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Hash Map in Python
...same ways as before and then copies it. The other use dict, which would be more appopriate in this context, is dict(key1=value1, key2=value2, ...) but that requires the keys to strings which are also valid Python identifiers (and internally, this also creates a dictionary).
– u...