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How to combine two or more querysets in a Django view?
... pagination on the search result list, I would like to use a generic object_list view to display the results. But to do that, I have to merge 3 querysets into one.
...
Perform debounce in React.js
...as it's not really relevant, but this answer will work perfectly fine with _.debounce of underscore or lodash, as well as any user-provided debouncing function.
GOOD IDEA:
Because debounced functions are stateful, we have to create one debounced function per component instance.
ES6 (class prope...
Read text file into string array (and write)
...n err
}
defer file.Close()
w := bufio.NewWriter(file)
for _, line := range lines {
fmt.Fprintln(w, line)
}
return w.Flush()
}
func main() {
lines, err := readLines("foo.in.txt")
if err != nil {
log.Fatalf("readLines: %s", err)
}
for i, line :...
Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?
...ds.size;
if ((NSFoundationVersionNumber <= NSFoundationVersionNumber_iOS_7_1) && UIInterfaceOrientationIsLandscape([UIApplication sharedApplication].statusBarOrientation)) {
return CGSizeMake(screenSize.height, screenSize.width);
}
return screenSize;
}
...
C/C++ check if one bit is set in, i.e. int variable
...if you want to hide bit manipulation, you can write a macro:
#define CHECK_BIT(var,pos) ((var) & (1<<(pos)))
and use it this way to check the nth bit from the right end:
CHECK_BIT(temp, n - 1)
In C++, you can use std::bitset.
...
Best way to do multiple constructors in PHP
You can't put two __construct functions with unique argument signatures in a PHP class. I'd like to do this:
21 Answers
...
How to get IntPtr from byte[] in C#
... the Fixed keyword instead of using the GC
– goodguys_activate
Dec 17 '12 at 21:59
...
How do I use installed packages in PyCharm?
...ere you can import the module.
>> import gnuradio
>> gnuradio.__file__
"path/to/gnuradio"
Most commonly you'll have a folder structure like this:
foobarbaz/
gnuradio/
__init__.py
other_file.py
You want to add foobarbaz to the path here.
...
Changing the resolution of a VNC session in linux [closed]
...9.99 Hz (CVT 4.10MA) hsync: 99.46 kHz; pclk: 348.50 MHz
Modeline "2560x1600_60.00" 348.50 2560 2760 3032 3504 1600 1603 1609 1658 -hsync +vsync
or if the monitor is old get the GTF timings:
$ gtf 2560 1600 60
# 2560x1600 @ 60.00 Hz (GTF) hsync: 99.36 kHz; pclk: 348.16 MHz
Modeline "2560x1600_6...
Deserialize JSON into C# dynamic object?
...micObject
{
private readonly IDictionary<string, object> _dictionary;
public DynamicJsonObject(IDictionary<string, object> dictionary)
{
if (dictionary == null)
throw new ArgumentNullException("dictionary");
_dictionary...