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Increment a value in Postgres
... a relational database. However running the update will not prevent others from reading the old values until your transaction is committed
– a_horse_with_no_name
Sep 17 '15 at 14:49
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Pandas timeseries plot setting x-axis major and minor ticks and labels
...he major and minor xticks and their labels for a time series graph plotted from a Pandas time series object.
1 Answer
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self referential struct definition?
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From the theoretical point of view, Languages can only support self-referential structures not self-inclusive structures.
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swift case falling through
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Does anyone know how to fall through from a case to default? case "two", default: won't compile.
– Zack Morris
Feb 5 '16 at 19:40
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How to start an Intent by passing some parameters to it?
... call the get[type]Extra() on the same intent:
// getIntent() is a method from the started activity
Intent myIntent = getIntent(); // gets the previously created intent
String firstKeyName = myIntent.getStringExtra("firstKeyName"); // will return "FirstKeyValue"
String secondKeyName= myIntent.getSt...
Convert between UIImage and Base64 string
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Swift
First we need to have image's NSData
//Use image name from bundle to create NSData
let image : UIImage = UIImage(named:"imageNameHere")!
//Now use image to create into NSData format
let imageData:NSData = UIImagePNGRepresentation(image)!
//OR next possibility
//Use image's pat...
How does #include work in C++? [duplicate]
I have read from a codeforces blog that if we add #include <bits/stdc++.h> in a C++ program then there is no need to include any other header files. How does #include <bits/stdc++.h> work and is it ok to use it instead of including individual header files?
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How to find available versions for a bower dependency
...e. It will check for updates and allow you to update packages one-by-one.
From it's own description:
Updates Bower project’s components to the really latest versions, no matter what bower.json requires.
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How to sum all the values in a dictionary?
...ate!
There are complains that it doesn't work! I just attach a screenshot from my terminal. Could be some mismatch in versions etc.
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How to prompt for user input and read command-line arguments [closed]
... a) can accept user input and how do I make it b) read in arguments if run from the command line?
12 Answers
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