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Are there any standard exit status codes in Linux?
...int status;
pid_t child = fork();
if (child <= 0)
exit(42);
waitpid(child, &status, 0);
if (WIFEXITED(status))
printf("first child exited with %u\n", WEXITSTATUS(status));
/* prints: "first child exited with 42" */
child = fork();
if (child <= ...
is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
Is it possible to do something similar to the following code in Java
6 Answers
6
...
if else statement in AngularJS templates
...from the Youtube API. Some of the videos are in 16:9 ratio and some are in 4:3 ratio.
10 Answers
...
Encrypt and decrypt a string in C#?
...
421
EDIT 2013-Oct: Although I've edited this answer over time to address shortcomings, please see ...
What is the most effective way for float and double comparison?
...
463
Be extremely careful using any of the other suggestions. It all depends on context.
I have s...
Random record in ActiveRecord
...e current record count) as an offset.
offset = rand(Model.count)
# Rails 4
rand_record = Model.offset(offset).first
# Rails 3
rand_record = Model.first(:offset => offset)
To be honest, I've just been using ORDER BY RAND() or RANDOM() (depending on the database). It's not a performance issue ...
Current time in microseconds in java
...
AlBlueAlBlue
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...
Cannot find Dumpbin.exe
...system. I have Visual Studio 2005 on my system. When I type dumpbin on the command line, it says unrecognizable command.
9 ...
Redirecting stdout to “nothing” in python
... |
edited Dec 30 '14 at 0:03
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111 silver badge
answered Jul 18 '11 at 16:16
...
How do I implement a callback in PHP?
...cation. This has allowed some elements of functional programming since PHP 4. The flavors are:
$cb1 = 'someGlobalFunction';
$cb2 = ['ClassName', 'someStaticMethod'];
$cb3 = [$object, 'somePublicMethod'];
// this syntax is callable since PHP 5.2.3 but a string containing it
// cannot be called dire...