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Location of my.cnf file on macOS
...ySQL. The problem is, where should my.cnf file be located? I'm using Mac OS X Lion.
30 Answers
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Detect application heap size in Android
... And
How much heap should my app use, given the constraints of the Android OS version and hardware of the user's device?
There is a different method for determining each of the above.
For item 1 above: maxMemory()
which can be invoked (e.g., in your main activity's onCreate() method) as follows:...
NPM global install “cannot find module”
...NODE_PATH
My NODE_PATH was empty, and running npm install --global --verbose promised-io showed that it was installing into /opt/lib/node_modules/promised-io:
[root@uberneek ~]# npm install --global --verbose promised-io
npm info it worked if it ends with ok
npm verb cli [ '/opt/bin/node',
npm ve...
App Inventor 2 代码调试方式：App调试、问题排查方法 · App Inventor 2 中文网
...不能预览局部变量。如果想知道局部变量的值，只能采用第一种标签调试法。
adb 调试：万能利器，调试拓展、查App崩溃
熟悉安卓开发的小伙伴肯定对adb工具不陌生了，它能做很多偏底层的调试，比如查看App...
How in node to split string by newline ('\n')?
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MacOSX don't use single \r anymore, that was only for old Macs. I think they have the same \n as other unixes.
– jcubic
Dec 10 '17 at 9:10
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How do I profile memory usage in Python?
...alloc. It provides detailed statistics about which code is allocating the most memory. Here's an example that displays the top three lines allocating memory.
from collections import Counter
import linecache
import os
import tracemalloc
def display_top(snapshot, key_type='lineno', limit=3):
sna...
Generating a unique machine id
... that generates an id that is unique for a given machine running a Windows OS.
15 Answers
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How to easily map c++ enums to strings
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If you want the enum names themselves as strings, see this post.
Otherwise, a std::map<MyEnum, char const*> will work nicely. (No point in copying your string literals to std::strings in the map)
For extra syntactic sugar, here's how to write a map_init class. The goal is to al...
No module named MySQLdb
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You need to use one of the following commands. Which one depends on what OS and software you have and use.
easy_install mysql-python (mix os)
pip install mysql-python (mix os/ python 2)
pip install mysqlclient (mix os/ python 3)
apt-get install python-mysqldb (Linux Ubuntu, ...)
cd /usr/ports/da...
Setting ANDROID_HOME enviromental variable on Mac OS X
Could anybody post a working solution for setting ANDROID_HOME via the terminal?
12 Answers
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