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Why aren't pointers initialized with NULL by default?
... then assign.
So now we have the situation that the compiler has added an extra instruction to the code that initializes the variable to NULL then later the developer code is added to do the correct initialization. Or under other conditions the variable is potentially never used. A lot of C++ devel...
Why does Clojure have “keywords” in addition to “symbols”?
... and global vars...
Keywords are generally used as lightweight "constant strings", e.g. for the keys of a hash-map or the dispatch values of a multimethod. Symbols are generally used to name variable and functions and it's less common to manipulate them as objects directly except in macros and su...
Rotate axis text in python matplotlib
...irst to assign the labels,
# otherwise get_xticklabels() will return empty strings.
plt.draw()
ax.set_xticklabels(ax.get_xticklabels(), rotation=45, ha='right')
Option 4
Similar to above, but loop through manually instead.
for label in ax.get_xticklabels():
label.set_rotation(45)
label.set_h...
Java 8 Iterable.forEach() vs foreach loop
...c.join(mSession, join));
is not intended as a shortcut for writing
for (String join : joins) {
mIrc.join(mSession, join);
}
and should certainly not be used in this way. Instead it is intended as a shortcut (although it is not exactly the same) for writing
joins.forEach(new Consumer<T&g...
Align two inline-blocks left and right on same line
...:after part and justified the content.
In order to solve the issue of the extra space that is inserted with the after pseudo-element one can do a trick of setting the font-size to 0 for the parent element and resetting it back to say 14px for the child elements. The working example of this trick ca...
Why is the minimalist, example Haskell quicksort not a “true” quicksort?
...implementation of putStrLn works by copying the characters of the argument String into to an output buffer. But when it enters this loop, show has not run yet. Therefore, when it goes to copy the first character from the string, Haskell evaluates the fraction of the show and quicksort calls needed t...
Concatenating Files And Insert New Line In Between Files
...
This puts the string at the end of the file; how do I get it inserted between each file?
– onassar
Nov 19 '18 at 16:37
...
How to create a cron job using Bash automatically without the interactive editor?
...ab -l | grep -v -F "$croncmd" ) | crontab -
Notes:
grep -F matches the string literally, as we do not want to interpret it as a regular expression
We also ignore the time scheduling and only look for the command. This way; the schedule can be changed without the risk of adding a new line to the ...
Why should I avoid using Properties in C#?
...ly-typed system, to avoid what Fowler calls Syntactic Noise. We don't want extra parentheses, extra get/set warts, or extra method signatures - not if we can avoid them without any loss of clarity.
Say whatever you like, but foo.Bar.Baz = quux.Answers[42] is always going to be a lot easier to read ...
How do I use Wget to download all images into a single folder, from a URL?
...are saved to.
-A sets a whitelist for retrieving only certain file types. Strings and patterns are accepted, and both can be used in a comma separated list (as seen above). See Types of Files for more information.
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