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How to check postgres user and password? [closed]
A friend of mine done this config on my mac. But I don't know the username and password he had chosen.
2 Answers
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print memory address of Python variable [duplicate]
How do I print the memory address of a variable in Python 2.7?
I know id() returns the 'id' of a variable or object, but this doesn't return the expected 0x3357e182 style I was expecting to see for a memory address.
I want to do something like print &x , where x is a C++ int variable for exam...
How to undo last commit [duplicate]
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Warning: Don't do this if you've already pushed
You want to do:
git reset HEAD~
If you don't want the changes and blow everything away:
git reset --hard HEAD~
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How do I zip two arrays in JavaScript? [duplicate]
... @runawaykid The answer is correct. You can see the MDN map documentation on the callback parameter. Params are (in order): currentvalue, index, array
– icc97
Jan 6 '17 at 15:22
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What do {curly braces} around javascript variable name mean [duplicate]
...illa JS extensions (use moz) and this however after reading it I still don't understand why it is used
1 Answer
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【iOS】有关苹果iOS App的一些进展、BluetoothLE蓝牙拓展等 - App Inventor...
...nts that Apple puts on apps, we cannot use the extensions approach like we do on Android.
Which particular model of Arduino are you using? One challenge here is that Apple has restricted access somewhat to what I would call "classic" Bluetooth due to energy consumption concerns. They do a...
How to re import an updated package while in Python Interpreter? [duplicate]
...terpreter, and when I see an error, I quickly update the .py file. But how do I make it reflect on the Interpreter ? So, far I have been exiting and reentering the Interpreter because re importing the file again is not working for me.
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Why historically do people use 255 not 256 for database field magnitudes?
... what is the traditional / historic reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me.
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What are the main purposes of using std::forward and which problems it solves?
...erences t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
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