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Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?
...d, and it's weird, we should look into it."
Log.i: Use this to post useful information to the log. For example: that you have successfully connected to a server. Basically use it to report successes.
Log.d: Use this for debugging purposes. If you want to print out a bunch of messages so you can log ...
How to fix “Headers already sent” error in PHP
...e.
summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying the HTTP header are:
header / header_remove
session_start / session_regenerate_id
setcookie / setrawcookie
Output can be:
Uni...
Simulate limited bandwidth from within Chrome?
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A warning: Charles is not free
– Charlie
Oct 23 '13 at 16:35
8
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Celery Received unregistered task of type (run example)
...ts. Simply specify it explicitly when starting celery.
celeryd --loglevel=INFO --settings=celeryconfig
You can also set --loglevel=DEBUG and you should probably see the problem immediately.
share
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Why aren't my breakpoints working?
...hical tree display of your project, right click on your Target and do "Get Info." Look for a property named "Generate Debug Symbols" (or similar) and make sure this is CHECKED (aka ON). Also, you might try finding (also in Target >> Get Info) a property called "Debug Information Format" and ...
How to exit from the application and show the home screen?
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never use this, because it gets no chance to free resources
– LiangWang
Aug 13 '13 at 4:41
1
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Is there a REAL performance difference between INT and VARCHAR primary keys?
...7500U CPU @ 2.70GHz × 4
15.6 GiB RAM, of which I ensured around 8 GB was free during the test.
148.6 GB SSD drive, with plenty of free space.
Ubuntu 16.04 64-bit
MySQL Ver 14.14 Distrib 5.7.20, for Linux (x86_64)
The tables:
create table jan_int (data1 varchar(255), data2 int(10), myindex tinyi...
Convert to/from DateTime and Time in Ruby
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Hi @anshul. I'm not implying I'm stating :-). Timezone info is not kept when using Time.parse(). It's easy to test. In your code above, simply replace d = DateTime.now with d = DateTime.new(2010,01,01, 10,00,00, Rational(-2, 24)). tt will now show the date d converted int...
git ahead/behind info between master and branch?
...behind locally, you should do a git fetch to make sure you have the latest info from your remote.
The default output of git status tells you how many revisions you are ahead or behind, but usually I find this too verbose:
$ git status
# On branch master
# Your branch and 'origin/master' have diver...
Dynamic type languages versus static type languages
...guage. Statically typed languages strictly could be said to not be context free. The simple truth is that it becomes inconvenient to express a language sanely in context free grammars that doesn't treat all its data simply as bit vectors. Static type systems are part of the grammar of the language i...