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How to read file contents into a variable in a batch file?
...ld%.doc ...
Although it may well be that no UNC paths are allowed there. Can't test this right now but keep this in mind.
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Init method in Spring Controller (annotation version)
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You can use
@PostConstruct
public void init() {
// ...
}
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Git merge without auto commit
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@PineappleUndertheSea Fast forwards never cause conflicts. In case of "real" merge without fast forward the --no-commit switch is effective only if no conflict occurs, in case of conflict git will never auto-commit.
– gronostaj
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
... but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
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Static fields on a null reference in Java
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That behaviour is specified in the Java Language Specification:
a null reference may be used to access a class (static) variable without causing an exception.
In more details, a static field evaluation, such as Primary.staticField works as follows (emphasis mine) - in your c...
How to implement a queue using two stacks?
Suppose we have two stacks and no other temporary variable.
20 Answers
20
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How to execute a java .class from the command line
...your classpath ( where java looks for .class definitions )
If that's the case and listing the contents of your dir displays:
Echo.java
Echo.class
Then any of this may work:
java -cp . Echo "hello"
or
SET CLASSPATH=%CLASSPATH;.
java Echo "hello"
And later as Fredrik points out you'll g...
Escape regex special characters in a Python string
Does Python have a function that I can use to escape special characters in a regular expression?
6 Answers
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Difference between jQuery’s .hide() and setting CSS to display: none
...ll be hidden immediately, with no animation. This is roughly equivalent to calling .css('display', 'none'), except that the value of the display property is saved in jQuery's data cache so that display can later be restored to its initial value. If an element has a display value of inline, then is h...
POST request send json data java HttpUrlConnection
...));
wr.write(parent.toString());
So, the JSONObject.toString() should be called only once for the outer object.
Another thing (most probably not your problem, but I'd like to mention it):
To be sure not to run into encoding problems, you should specify the encoding, if it is not UTF-8:
con.setR...