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What is the difference between the states selected, checked and activated in Android?
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The difference between Checked and Activated is actually quite interesting. Even the Google documentation is apologetic (emphasis below added):
... For example, in a list view with single or multiple selection
enabled, the views in the current selection set are activate...
UITextfield leftView/rightView padding on iOS7
...es it look more like a built-in Search bar such as the one in the Contacts app. Great solution on this, thanks for posting it.
– James Toomey
Dec 28 '17 at 18:20
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Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?
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It actually unwinds back to the exact same instance of the view controller (and its views).
– Jon Hess
Sep 25 '12 at 7:39
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How to export DataTable to Excel
....Select(val => $"\"{val}\"")));
lines.AddRange(valueLines);
File.WriteAllLines("excel.csv", lines);
This will write a new file excel.csv into the current working directory which is generally either where the .exe is or where you launch it from.
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Is it possible to Turn page programmatically in UIPageViewController?
Is it possible to turn page programmatically in UIPageViewController ?
17 Answers
17
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range over interface{} which stores a slice
...t interface{}) {
switch t := t.(type) {
case []string:
for _, value := range t {
fmt.Println(value)
}
case []int:
for _, value := range t {
fmt.Println(value)
}
}
}
Check out the code on the playground.
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Concept of void pointer in C programming
...ligned at 4-byte boundary to be dereferenced).
For example, reading uint16_t from void*:
/* may receive wrong value if ptr is not 2-byte aligned */
uint16_t value = *(uint16_t*)ptr;
/* portable way of reading a little-endian value */
uint16_t value = *(uint8_t*)ptr
| ((*((uint8_t*)...
“Missing compiler required member” error being thrown multiple times with almost no changes to code
...at. Library now builds :) Q. Can I use this .NetStandard library in Linux app, given the Microsofct reference?
– David Jones
Aug 27 '19 at 12:10
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Ternary operator is twice as slow as an if-else block?
...several additional registers available, and each register is 64-bits. This allows the X64 JIT to perform the inner loop entirely using registers aside from loading i from the array, while the X86 JIT places several stack operations (memory access) in the loop.
value is a 64-bit integer, which requir...
Logging levels - Logback - rule-of-thumb to assign log levels
...y requires human intervention. The "2AM rule" applies here- if you're on call, do you want to be woken up at 2AM if this condition happens? If yes, then log it as "error".
warn: an unexpected technical or business event happened, customers may be affected, but probably no immediate human intervent...