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How to check whether a file or directory exists?
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123
You can use this :
if _, err := os.Stat("./conf/app.ini"); err != nil {
if os.IsNotExist(...
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
...table can be created again. Ubuntu 16, mariadb
– waza123
Jan 21 '19 at 18:07
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How to get a URL parameter in Express?
...issue on getting the value of tagid from my URL: localhost:8888/p?tagid=1234 .
4 Answers
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How to get the mouse position without events (without moving the mouse)?
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123
+50
Edit 20...
How to pass a function as a parameter in Java? [duplicate]
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You could use Java reflection to do this. The method would be represented as an instance of j...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...more flexible:
.Attributes(new { style = "width:100%", @class="foo", blip=123 });
This is a pattern used in much of ASP.NET MVC (for example), and has other uses (a caveat, note also Ayende's thoughts if the name is a magic value rather than caller-specific)
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private final static attribute vs private final attribute
... giving values to its final variables...
– jamesdeath123
Jan 30 '15 at 22:08
Just in case anyone stumbles on this, ple...
Right query to get the current number of connections in a PostgreSQL DB
...ase don't add noise to specific questions.
– bugmenot123
Jun 5 '19 at 11:08
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
...userConverter"). Invoking page by http://example.com/context/user.xhtml?id=123 will pass the id parameter through the converter and set the User object as a bean property.
@ManagedProperty:
Sets the value immediately after bean's construction.
Set value is available during @PostConstruct which al...
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
... edited Nov 27 '12 at 21:04
TK123
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answered Apr 3 '09 at 0:27
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