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JavaScript: client-side vs. server-side validation
...enter an invalid email address and move to the next field, you can show an error message immediately. That way the user can correct every field before they submit the form.
If you only validate on the server, they have to submit the form, get an error message, and try to hunt down the problem.
(T...
findViewByID returns null
...tunately this is what I had done. The debugger is no use since it said the error was at my new intent line not in the actual new activity I was calling. Thanks!
– edude05
Apr 13 '12 at 1:23
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mongo - couldn't connect to server 127.0.0.1:27017
...
This error is what you would see if the mongo shell was not able to talk to the mongod server.
This could be because the address was wrong (host or IP) or that it was not running. One thing to note is the log trace provided does ...
makefile execute another target
... the call function.
log_success = (echo "\x1B[32m>> $1\x1B[39m")
log_error = (>&2 echo "\x1B[31m>> $1\x1B[39m" && exit 1)
install:
@[ "$(AWS_PROFILE)" ] || $(call log_error, "AWS_PROFILE not set!")
command1 # this line will be a subshell
command2 # this line will ...
Why do I have to access template base class members through the this pointer?
...or overloading it's illegal, assigning to an rvalue). If it is wrong, this error must be diagnosed in phase 1, it's defined by the standard to be an error in the template, not in some particular instantiation of it. Even if the template is never instantiated, if A is an int then the above code is il...
How can I specify a branch/tag when adding a Git submodule?
...and after doing $ git submodule update --init --remote TestModule I got an error saying fatal: Needed a single revision and Unable to find current origin/TestTag revision in submodule path 'TestModule'. When doing it with a real branch it works. Is there anyway to specify a tag in .gitmodules withou...
Postfix发信的频率控制几个参数 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...采取不同的措施来防止恶意用户的拒绝服务攻击。
smtpd_error_sleep_time：当该错误计数器的值还很小时，postfix将暂停
smtpd_error_sleep_time指定的时间，然后向客户端报告一个错误。该参数的缺省值为5秒。
smtpd_soft_error_limit：当错误...
What does “Could not find or load main class” mean?
...new Java developers experience is that their programs fail to run with the error message: Could not find or load main class ...
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Disable copy constructor
...nk the time spent following this pattern is greater than time saved by the errors it prevents. I simply forbid copy whenever not sure.
– Tomáš Zato - Reinstate Monica
Jan 14 '16 at 9:37
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ASP.NET MVC framework 4.5 CSS bundle does not work on the hosting
... shared it with me on my blog:
http://blog.cdeutsch.com/2012/11/fixing-404-errors-for-aspnet-mvc-apps.html
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