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How to determine CPU and memory consumption from inside a process?
I once had the task of determining the following performance parameters from inside a running application:
9 Answers
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What is the easiest way to remove the first character from a string?
...case "[12,23,987,43".delete_prefix("[").
More info here:
Official docs
https://blog.jetbrains.com/ruby/2017/10/10-new-features-in-ruby-2-5/
https://bugs.ruby-lang.org/issues/12694
'invisible'.delete_prefix('in') #=> "visible"
'pink'.delete_prefix('in') #=> "pink"
N.B. you can also use ...
What does a just-in-time (JIT) compiler do?
What does a JIT compiler specifically do as opposed to a non-JIT compiler? Can someone give a succinct and easy to understand description?
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Jackson serialization: ignore empty values (or null)
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Or you can use GSON [https://code.google.com/p/google-gson/], where these null fields will be automatically removed.
SampleDTO.java
public class SampleDTO {
String username;
String email;
String password;
String birthday;
S...
CSS/HTML: What is the correct way to make text italic?
... is the correct way to make text italic? I have seen the following four approaches:
12 Answers
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What are the dark corners of Vim your mom never told you about? [closed]
There are a plethora of questions where people talk about common tricks, notably " Vim+ctags tips and tricks ".
70 Answers
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Getting the error “Missing $ inserted” in LaTeX
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The "Missing $ inserted" is probably caused by the underscores and bars. These characters in LaTeX have special meaning in math mode (which is delimited by $ characters). Try escaping them; e.g. update\_element instead of update_element.
However, if y...
Delete all data in SQL Server database
...y database? Can I do it with one SQL command or I need for one SQL command per one table?
10 Answers
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How to declare strings in C [duplicate]
Can anyone explain me what is a difference between these lines of code
4 Answers
4
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How do I force make/GCC to show me the commands?
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I like to use:
make --debug=j
https://linux.die.net/man/1/make
--debug[=FLAGS]
Print debugging information in addition to normal processing. If the FLAGS are omitted, then the behavior is the same as if -d was specified. FLAGS may be a for all debugging o...