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Check if a file exists with wildcard in shell script [duplicate]
... ## If not, f here will be exactly the pattern above
## and the exists test will evaluate to false.
[ -e "$f" ] && echo "files do exist" || echo "files do not exist"
## This is all we needed to know, so we can break after the first iteration
break
done
This is very similar...
Get first key in a (possibly) associative array?
...ently key. The latter approach is probably slightly faster (Thoug I didn't test it), but it has the side effect of resetting the internal pointer.
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How can I detect if a browser is blocking a popup?
...ould fail this, unless calling focus() on NULL is allowed in which case, a test for NULL before the try would just work.
– FrancescoMM
Nov 22 '17 at 12:04
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How to change maven logging level to display only warning and errors?
...
If you are using Logback, just put this logback-test.xml file into src/test/resources directory:
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level...
Select columns from result set of stored procedure
...
To achieve this, first you create a #test_table like below:
create table #test_table(
col1 int,
col2 int,
.
.
.
col80 int
)
Now execute procedure and put value in #test_table:
insert into #test_table
EXEC MyStoredProc 'param1', 'param2'
...
Why does this assert throw a format exception when comparing structures?
... public int Width { get; set; }
public int Height { get; set; }
}
[TestMethod]
public void TestMethod1()
{
var test1 = new MyClass(0, 0);
var test2 = new MyClass(1, 1);
Assert.AreEqual(test1, test2, "Show me A [{0}] and B [{1}]", test1, test2);
}
...
iPhone 5 CSS media query
...ebkit-min-device-pixel-ratio: 2) {
/* iPhone only */
}
NB: I haven't tested the above code, but I've tested comma-delimited @media queries before, and they work just fine.
Note that the above may hit some other devices which share similar ratios, such as the Galaxy Nexus. Here is an additiona...
SSL is not enabled on the server
... without SSL encryption, like that:
db, err := sql.Open("postgres", "user=test password=test dbname=test sslmode=disable")
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...
Node.js Logging
...n": "%m"
},
"category": "app"
},{
"category": "test-file-appender",
"type": "file",
"filename": "log_file.log",
"maxLogSize": 10240,
"backups": 3,
"layout": {
"type": "pattern",
"pattern": "%d{dd/MM hh:mm} %-...
MySQL: Order by field size/length
Here is a table structure (e.g. test):
3 Answers
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