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What is an unsigned char?
...2-bit chars, and 32-bit integers, and have sizeof(int) != sizeof(char)? I know the standard says sizeof(char) == 1, but is the relative sizeof(int) based on actual difference in size or the difference in range?
– Joseph Garvin
Jan 11 '09 at 23:21
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Parcelable encountered IOException writing serializable object getactivity()
... Stack trace...Found One of the object in my class was Not Serialized. and Now It is working. Caused by: java.io.NotSerializableException:
– VJ Vishal Jogiya
Aug 16 '17 at 11:35
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How do you count the lines of code in a Visual Studio solution?
...S2012 includes this feature in both the Ultimate and Premium editions (and now Professional as well).
– SWalters
Dec 17 '13 at 17:09
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How to increase editor font size?
...d say OK. This will be the default size every time you open Android Studio now.
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What is the most frequent concurrency issue you've encountered in Java? [closed]
...actice as the reader thread will eventually see the change - but we don't know how soon he saw it.
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How to get IP address of the device from code?
...oid) file. I've run this code only on few devices and Emulator but let me know here if you find weird results.
// AndroidManifest.xml permissions
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
//...
#ifdef replacement in the Swift language
.... Here's an example:
#if DEBUG
let a = 2
#else
let a = 3
#endif
Now, you must set the "DEBUG" symbol elsewhere, though. Set it in the "Swift Compiler - Custom Flags" section, "Other Swift Flags" line. You add the DEBUG symbol with the -D DEBUG entry.
As usual, you can set a different val...
How does the static modifier affect this code?
... all static variables are detected and initialized with default values.
So now the values are:
A obj=null
num1=0
num2=0
The second phase, execution, starts from top to bottom. In Java, the execution starts from the first static members.
Here your first static variable is static A obj = new A();, s...
Why is “import *” bad?
...espace (might shadow some other object from previous import and you won't know about it).
Because you don't know exactly what is imported and can't easily find from which module a certain thing was imported (readability).
Because you can't use cool tools like pyflakes to statically detect errors i...
What is the proper way to use the node.js postgresql module?
...ption clear: that's my fault. I'll try to improve it. I wrote a Gist just now to explain this because the conversation grew too long for Twitter.
Using pg.connect is the way to go in a web environment.
PostgreSQL server can only handle 1 query at a time per connection.
That means if you...