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Display two files side by side
...e, so we're just passing that value on to pr to use for its output's width setting.
This also answers @Matt's question:
Is there a way for pr to auto-detect screen width?
So, no: pr itself can't detect the screenwidth, but we're helping out a bit by passing in the terminal's width via the -w ...
Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
I want to extract the public and private key from my PKCS#12 file for later use in SSH-Public-Key-Authentication.
7 Answ...
How to print (using cout) a number in binary form?
I'm following a college course about operating systems and we're learning how to convert from binary to hexadecimal, decimal to hexadecimal, etc. and today we just learned how signed/unsigned numbers are stored in memory using the two's complement (~number + 1).
...
How to get HTTP Response Code using Selenium WebDriver
...LoggingPreferences();
logPrefs.enable(LogType.PERFORMANCE, Level.ALL);
cap.setCapability(CapabilityType.LOGGING_PREFS, logPrefs);
After the request is done, all you have to do is get and iterate the Perfomance logs and find "Network.responseReceived" for the requested url:
LogEntries logs = drive...
How many bytes does one Unicode character take?
...ted a lot of time on this useless list (but it's sorted!).
MySQL has a charset called "utf8" which actually does not support characters longer than 3 bytes. So you can't insert a pile of poo, the field will be silently truncated. Use "utf8mb4" instead.
There's a snowman test page (unicodesnowmanfory...
C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...STL序列容器：vector、string、deque和list。标准STL关联容器：set、multiset、map和multimap。非标准序列容...
第1条：慎重选择容器类型。
标准STL序列容器：vector、string、deque和list。
标准STL关联容器：set、multiset、map和multimap。
非标准...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
...plier.
To generate a random number:
Multiply the seed by the multiplier.
Set the seed equal to this value.
Return this value.
This generator has many nice properties, but has significant problems as a good random source. The Wikipedia article linked above describes some of the strengths and we...
List of ANSI color escape sequences
...SI escape sequences you're looking for are the Select Graphic Rendition subset. All of these have the form
\033[XXXm
where XXX is a series of semicolon-separated parameters.
To say, make text red, bold, and underlined (we'll discuss many other options below) in C you might write:
printf("\033[31;1;...
How to break out from a ruby block?
...
Use the keyword next. If you do not want to continue to the next item, use break.
When next is used within a block, it causes the block to exit immediately, returning control to the iterator method, which may then begin a new iteration by invoking...
Is there a way to perform “if” in python's lambda
...
The syntax you're looking for:
lambda x: True if x % 2 == 0 else False
But you can't use print or raise in a lambda.
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