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Node.js check if file exists
How do i check the existence of a file ?
17 Answers
17
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SQL JOIN - WHERE clause vs. ON clause
...use they are functionally the same, in that they produce the same results, does not mean the two kinds of clauses have the same semantic meaning.
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Converting Symbols, Accent Letters to English Alphabet
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Reposting my post from How do I remove diacritics (accents) from a string in .NET?
This method works fine in java (purely for the purpose of removing diacritical marks aka accents).
It basically converts all accented characters into their deAccented ...
Show a Form without stealing focus?
...verride bool ShowWithoutActivation
{
get { return true; }
}
And if you don't want the user to click this notification window either, you can override CreateParams:
protected override CreateParams CreateParams
{
get
{
CreateParams baseParams = base.CreateParams;
const int WS_EX_NOAC...
Difference between window.location.href=window.location.href and window.location.reload()
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If I remember correctly, window.location.reload() reloads the current page with POST data, while window.location.href=window.location.href does not include the POST data.
As noted by @W3Max in the comments below, window.location.href=window.location.hr...
How do I discover memory usage of my application in Android?
...nly results in a vague conclusion.)
Note: we now have much more extensive documentation on Managing Your App's Memory that covers much of the material here and is more up-to-date with the state of Android.
First thing is to probably read the last part of this article which has some discussion of h...
How to use double or single brackets, parentheses, curly braces
...parentheses, curly braces in Bash, as well as the difference between their double or single forms. Is there a clear explanation?
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How do Mockito matchers work?
...on into a single call, as in the first line of example code.
What matchers do/return
when(foo.quux(3, 5)).thenReturn(true);
When not using argument matchers, Mockito records your argument values and compares them with their equals methods.
when(foo.quux(eq(3), eq(5))).thenReturn(true); // same a...
From io.Reader to string in Go
...s that it it will not be efficient because converting to a string requires doing a complete copy of the byte array. Here is the proper (non-efficient) way to do what you want:
buf := new(bytes.Buffer)
buf.ReadFrom(yourReader)
s := buf.String() // Does a complete copy of the bytes in the buffer.
T...
How do I decode HTML entities in Swift?
...vised for Swift 5.2 and iOS 13.4 SDK.
There's no straightforward way to do that, but you can use NSAttributedString magic to make this process as painless as possible (be warned that this method will strip all HTML tags as well).
Remember to initialize NSAttributedString from main thread only. I...