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Synchronous request in Node.js
If I need to call 3 http API in sequential order, what would be a better alternative to the following code:
18 Answers
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Concurrent vs serial queues in GCD
...der of task differs each time
threads are created as necessarily automatically.Task are executed in parallel. With more than
that(maxConcurrentOperationCount) is reached, some tasks will behave
as a serial until a thread is free.
func doLongSyncTaskInConcurrentQueue() {
let concurrentQueu...
How To: Execute command line in C#, get STD OUT results
...te a command-line program from C# and get back the STD OUT results? Specifically, I want to execute DIFF on two files that are programmatically selected and write the results to a text box.
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Executing Batch File in C#
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In my case, a batch file was calling another batch file using ~%dp0. Adding the ProcessInfo.WorkingDirectory fixed it.
– Sonata
May 28 '14 at 8:02
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How to get milliseconds from LocalDateTime in Java 8
...zone. It's the same amount of milliseconds, no matter what time of day you call it. The two results are different because brian's machine took 203 milliseconds to execute the second command.
– Fletch
May 28 at 5:38
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What exactly is Type Coercion in Javascript?
...integers, you get an error:
>>> "hi" + 10
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: cannot concatenate 'str' and 'int' objects
Yet in JavaScript, you don't. The 10 gets converted to a string:
> "hi" + 10
"hi10"
"Type coercion" i...
Converting from a string to boolean in Python?
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def str2bool(v):
return v.lower() in ("yes", "true", "t", "1")
Then call it like so:
>>> str2bool("yes")
True
>>> str2bool("no")
False
>>> str2bool("stuff")
False
>>> str2bool("1")
True
>>> str2bool("0")
False
Handling true and false explicitl...
Switch on Enum in Java [duplicate]
... can have a method on an enum type, then instead of writing a switch, just call the method - one line of code: done!
enum MyEnum {
SOME_ENUM_CONSTANT {
@Override
public void method() {
System.out.println("first enum constant behavior!");
}
},
ANOTHER_...
Get all directories within directory nodejs
...se the new withFileTypes option of readdirSync to skip the extra lstatSync call:
const { readdirSync } = require('fs')
const getDirectories = source =>
readdirSync(source, { withFileTypes: true })
.filter(dirent => dirent.isDirectory())
.map(dirent => dirent.name)
...
Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
...ere's the actual Combine method from the .NET source. You can see that it calls CombineNoChecks, which then calls IsPathRooted on path2 and returns that path if so:
public static String Combine(String path1, String path2) {
if (path1==null || path2==null)
throw new ArgumentNullExceptio...