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How to avoid “if” chains?
...called the centralized function exit:
int foo() {
int result = /*some error code*/;
if(!executeStepA()) goto cleanup;
if(!executeStepB()) goto cleanup;
if(!executeStepC()) goto cleanup;
result = 0;
cleanup:
executeThisFunctionInAnyCase();
return result;
}
Some people ...
How many spaces will Java String.trim() remove?
In Java, I have a String like this:
17 Answers
17
...
How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
...C++.
– Jens Gustedt
Nov 15 '11 at 8:05
15
@Jens: Indeed; __STDC_FORMAT_MACROS appears only in a f...
What is the difference between #import and #include in Objective-C?
...ef int my_number;
typedef int my_number;
which will result in a compiler error, since the type my_number is defined twice. Even though the definition is the same this is not allowed by the C language.
Since a header often is used in more than one place include guards usually are used in C. This l...
Convert javascript array to string
I'm trying to iterate over a "value" list and convert it into a string. Here is the code:
14 Answers
...
Can I call a constructor from another constructor (do constructor chaining) in C++?
....
– ChiefTwoPencils
Oct 28 '13 at 8:05
9
This is not "calling a constructor". The only place you ...
How to set Oracle's Java as the default Java in Ubuntu?
...o set your JAVA_HOME environment variable:
$ JAVA_HOME=/usr/java/jdk1.8.0_05/
$ sudo update-alternatives --install /usr/bin/java java ${JAVA_HOME%*/}/bin/java 20000
$ sudo update-alternatives --install /usr/bin/javac javac ${JAVA_HOME%*/}/bin/javac 20000
make sure the Oracle's java is set as defa...
How to ignore a property in class if null, using json.net
...but i had to use JsonSerializerSettings not JsonSerializer as it showed an error for the last one
– Yazan
Feb 24 '16 at 8:08
...
Does “git fetch --tags” include “git fetch”?
...mano -- gitster -- in commit cc77b99, 22 May 2015)
pull: remove --tags error in no merge candidates case
Since 441ed41 ("git pull --tags": error out with a better message.,
2007-12-28, Git 1.5.4+), git pull --tags would print a different error message if
git-fetch did not return any mer...
Make the current commit the only (initial) commit in a Git repository?
...
After rebase completed, I can not push: error: failed to push some refs to
– Begueradj
Mar 12 '19 at 14:37
...