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What is the difference between the | and || or operators?
...
Yeah, I didn't believe it until I created a console app - but good lord! Why would they give you the rope to hang yourself! I hated that about VB.NET - the OrElse and AndAlso keywords!
– Jarrod Dixon♦
Sep 6 '08 at 8:09
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UITableView didSelectRowAtIndexPath: not being called on first tap
... You are my hero! Any idea why this is the default? I can't think of any app having that behavior and I think this is a very weird default.
– Christophe Fondacci
Apr 22 '15 at 17:58
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Nodejs send file in response
...tp.createServer(function(request, response) {
var filePath = path.join(__dirname, 'myfile.mp3');
var stat = fileSystem.statSync(filePath);
response.writeHead(200, {
'Content-Type': 'audio/mpeg',
'Content-Length': stat.size
});
var readStream = fileSystem.createR...
Is it possible in SASS to inherit from a class in another file?
...s Default buttons
In your styles.scss file you would have to first import _bootstrap.scss:
@import "_bootstrap.scss";
Then below the import:
button { @extend .btn; }
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How can I dynamically create a selector at runtime with Objective-C?
... theMethod:(id)methodArg];, you'd write...
void (^impBlock)(id,id) = ^(id _self, id methodArg) {
[_self doSomethingWith:methodArg];
};
and then you need to generate the IMP block dynamically, this time, passing, "self", the SEL, and any arguments...
void(*impFunct)(id, SEL, id) = (void*...
Rotating a two-dimensional array in Python
... [4, 5, 6],
[7, 8, 9]
]
def rotated(array_2d):
list_of_tuples = zip(*array_2d[::-1])
return [list(elem) for elem in list_of_tuples]
# return map(list, list_of_tuples)
print(list(rotated(original)))
# [[7, 4, 1], [8, 5, 2], [9, 6, 3]]
The list comp or...
Synchronise ScrollView scroll positions - android
...ut it all together in the Layout class.
package com.test;
import android.app.Activity;
import android.os.Bundle;
public class Q3948934 extends Activity implements ScrollViewListener {
private ObservableScrollView scrollView1 = null;
private ObservableScrollView scrollView2 = null;
@...
Go Unpacking Array As Arguments
...u can use a vararg syntax similar to C:
package main
import "fmt"
func my_func( args ...int) int {
sum := 0
for _,v := range args {
sum = sum + v
}
return sum;
}
func main() {
arr := []int{2,4}
sum := my_func(arr...)
fmt.Println("Sum is ", sum)
}
Now you can sum a...
Sort array of objects by single key with date value
...cts with several key value pairs, and I need to sort them based on 'updated_at':
19 Answers
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Maximum number of threads per process in Linux?
...p_count
echo 200000 > /proc/sys/kernel/pid_max
./100k-pthread-create-app
2018 update from @Thomas, on systemd systems:
/etc/systemd/logind.conf: UserTasksMax=100000
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