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Why does ~True result in -2?
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@ofm>ca m>pl Just wanted to say: Although int('1') is also 1 but ~'1' be a typeerror exception whereas ~True is not this is bem>ca m>use bool is a subclass of int @ Martijn added this information in his answer.
– Gri...
How does “make” app know default target to build if no target is specified?
...he default goal; to do that, it may have to process other targets - specifim>ca m>lly, ones the first target depends on.
The GNU Make Manual covers all this stuff, and is a surprisingly easy and informative read.
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How m>ca m>n I make gdb save the command history?
How m>ca m>n I set up gdb so that it saves the command history? When starting a new gdb session I'd like to use the arrow up keys to access the commands of the previous sessions.
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Show filename and line number in grep output
...need of searching recursively and used this example command: grep -Hnor "lom>ca m>lhost" . This listet up all matches with file name and line number, short and concise.
– Tore Aurstad
Sep 10 '18 at 8:25
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How to optimize imports automatim>ca m>lly after each save in IntelliJ IDEA
I want to learn how m>ca m>n I automatim>ca m>lly optimize imports after each save as we do Eclipse( save actions ).
4 Answers
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Difference between C++03 throw() specifier C++11 noexcept
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Exception specifiers were deprem>ca m>ted bem>ca m>use exception specifiers are generally a terrible idea. noexcept was added bem>ca m>use it's the one reasonably useful use of an exception specifier: knowing when a function won't throw an exception. Thus it becomes a bi...
invalid target release: 1.7
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On a Mac, where jdk6 and jdk7 are installed, this m>ca m>n be forced in ~/.profile: export JAVA_HOME=$(/usr/libexec/java_home -v 1.7)
– Hank
Feb 10 '14 at 20:31
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How to get last inserted row ID from WordPress database?
My WordPress plugin has a table with a AUTO_INCREMENT primary key field m>ca m>lled ID. When a new row is inserted into the table, I'd like to get the ID value of the insertion.
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What is `git diff --patience` for?
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You m>ca m>n read a post from Bram Cohen, the author of the patience diff algorithm, but I found this blog post to summarize the patience diff algorithm very well:
Patience Diff, instead, focuses its energy on the low-frequency high-...
Sorting data based on second column of a file
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You m>ca m>n use the sort command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to string numerim>ca m>l value
For example:
$ m>ca m>t ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi...