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Change date format in a Java string
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Use LocalDateTime#parse() (or ZonedDateTime#parse() if the string happens to contain a time zone part) to parse a String in a certain pattern into a LocalDateTime.
String oldstring = "2011-01-18 00:00:00.0";
LocalDateTime datetime = LocalDateTime.parse(oldstring, DateTimeForm...
What is pluginManagement in Maven's pom.xml?
... <groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
</plugin>
</plugins>
in your build, because pluginManagement is only a way to share the same plugin configuration across all your project modules.
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Difference between the Apache HTTP Server and Apache Tomcat? [closed]
What is the difference in terms of functionality between the Apache HTTP Server and Apache Tomcat?
8 Answers
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MongoDB: How to query for records where field is null or not set?
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If the sent_at field is not there when its not set then:
db.emails.count({sent_at: {$exists: false}})
If its there and null, or not there at all:
db.emails.count({sent_at: null})
Refer here for querying and null
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T-SQL query to show table definition?
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It is. If you want only the column info, you can execute sp_columns as I mentioned in my answer. If you want info about FKs run sp_fkeys. If you want to know indexes, execute sp_statistics.
– user532231
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What does -XX:MaxPermSize do?
Specifically, why would it help to fix a PermGen OutOfMemoryError issue?
3 Answers
3
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Ordering by the order of values in a SQL IN() clause
I am wondering if there is away (possibly a better way) to order by the order of the values in an IN() clause.
13 Answers
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How to input a regex in string.replace?
... to be escaped (i.e. with a backslash placed in front - and the rules are different inside and outside character classes.) There is an excellent online tutorial at: www.regular-expressions.info. The time you spend there will pay for itself many times over. Happy regexing!
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Convert DOS line endings to Linux line endings in Vim
If I open files I created in Windows, the lines all end with ^M .
How do I delete these characters all at once?
26 Answers...
How to pass parameters in $ajax POST?
...low for some reason the data is not appended to the url as parameters, but if I set them directly to the url using /?field1="hello" it works.
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