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How to overload functions in javascript?
...ent arguments are passed (probably by throwing an exception with a helpful error message).
In an ES6 environment, it is possible to use destructuring to create default properties/values for the above passed object. This is discussed in more detail in this reference article.
Here's one example fro...
Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
....log | awk '{
if (match($0, /.*(PHP Deprecated|PHP Notice|PHP Fatal error|PHP Warning|ERROR|WARN).*/)) { print "\033[41;37;1m"$0"\033[0m" }
else if (match($0, /.*关键信息1.*/)) { print "\033[32;1m"$0"\033[0m" }
else if (match($0, /.*关键信息2.*/)) { print "\033[36;1m"$0"\033[0m" }...
memory_get_peak_usage() with “real usage”
...031 MiB
real: 1 MiB
not real: 0.97883605957031 MiB
real: 1 MiB
PHP Fatal error: Allowed memory size of 1048576 bytes exhausted (tried to allocate 793601 bytes) in /home/niko/test.php on line 7
Seems like real usage is the memory allocated from the system - which seems to get allocated in larger...
Check if object exists in JavaScript
...core Javascript feature, it is a shame that there is not a better and less error-prone built-in. The string comparison prevents the compiler from 100% reliably tell us when we made a small mistake (like a typo) in these kinds of checks.
– Domi
Nov 24 '13 at 9:1...
How can I setup & run PhantomJS on Ubuntu?
...
I ran into this issue: bin/phantomjs: error while loading shared libraries: libfontconfig.so.1: cannot open shared object file: No such file or directory. I found a fix here. Run the command: sudo apt-get install libfontconfig
– Neil Hoff
...
How much faster is C++ than C#?
... only very time consuming (and thus expensive), but also commonly leads to errors due to over-optimizations.
On the other hand, code in interpreted languages gets faster in later versions of the runtime (.NET CLR or Java VM), without you doing anything. And there are a lot of useful optimizations J...
Debug code-first Entity Framework migration codes
... have this disabled already skip this step
Debug your application, fix the error and remove the "hack"
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How do I assert equality on two classes without an equals method?
...u don't have to pull in yet another test framework and it'll give a useful error when the assert fails (expected: field=<value> but was field=<something else>) instead of expected: true but was false if you use something like EqualsBuilder.reflectionEquals().
The downside is that it is ...
Response.Redirect to new window
...to that page. But when I keep fixform() method in the masterpage it throws error saying document is null. Not sure why it is throwing still trying to find a solution. Though I've come up with a temporary solution by using onClientClick="aspnetForm.target='';" property for other buttons on that page....
Most pythonic way to delete a file which may not exist
...
A more pythonic way would be:
try:
os.remove(filename)
except OSError:
pass
Although this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions.
It may be worthwhile to write a functio...