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How do I check if a Sql server string is null or empty
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@irfandar - Well, if you want to treat a string with all spaces as empty, go ahead use trim. Otherwise a string with all spaces is not empty.
– Martin Ba
Sep 2 '13 at 12:13
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Ruby replace string with captured regex pattern
...only seem to be interested in the capture group, note that you can index a string with a regex:
"foo"[/oo/]
#=> "oo"
"Z_123: foobar"[/^Z_.*(?=:)/]
#=> "Z_123"
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How to check if object property exists with a variable holding the property name?
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The "in" operator does not work with strings. e.g. 'length' in 'qqq' will produce an exception. So if you want a general purpose check you need to use hasOwnProperty.
– Jacob
Jun 19 '14 at 17:55
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What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`
In Python, this idiom for string formatting is quite common
4 Answers
4
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Using new line(\n) in string and rendering the same in HTML
I have a string say
5 Answers
5
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Is there a command like “watch” or “inotifywait” on the Mac?
...st version="1.0">
<dict>
<key>Label</key>
<string>logger</string>
<key>ProgramArguments</key>
<array>
<string>/usr/bin/logger</string>
<string>path modified</string>
</array>
<...
Changing names of parameterized tests
...se change the name of parameterized tests, you say:
@Parameters(name="namestring")
namestring is a string, which can have the following special placeholders:
{index} - the index of this set of arguments. The default namestring is {index}.
{0} - the first parameter value from this invocation of...
How can I access an internal class from an external assembly?
... as a public instance field; to get this via reflection:
object obj = ...
string value = (string)obj.GetType().GetField("test").GetValue(obj);
If it is actually a property (not a field):
string value = (string)obj.GetType().GetProperty("test").GetValue(obj,null);
If it is non-public, you'll ne...
Environment variables in Mac OS X
...;plist version="1.0">
<dict>
<key>Label</key>
<string>local.launchd.conf</string>
<key>ProgramArguments</key>
<array>
<string>sh</string>
<string>-c</string>
<string>launchctl &lt; ~/.launchd.con...
Create a CSV File for a user in PHP
...code I use to optionally encode CSV fields:
function maybeEncodeCSVField($string) {
if(strpos($string, ',') !== false || strpos($string, '"') !== false || strpos($string, "\n") !== false) {
$string = '"' . str_replace('"', '""', $string) . '"';
}
return $string;
}
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