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Wildcards in a Windows hosts file
...cal etc, and have them all resolve to localhost , while Apache serves a different site accordingly.
20 Answers
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Calculating sum of repeated elements in AngularJS ng-repeat
...s over the collection twice. this is fine for small collections, but what if the collection is rather large? it seems like in ng-repeat there should be a way to have a running sum on a given object field.
– icfantv
Aug 6 '14 at 16:14
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Remove first 4 characters of a string with PHP
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If you’re using a multi-byte character encoding and do not just want to remove the first four bytes like substr does, use the multi-byte counterpart mb_substr. This does of course will also work with single-byte strings.
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Find commit by hash SHA in Git
I need to find a commit in Git by a given hash, SHA. For example, if I have the "a2c25061" hash, and I need to get the author and the committer of this commit.
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What is the use of a private static variable in Java?
If a variable is declared as public static varName; , then I can access it from anywhere as ClassName.varName . I am also aware that static members are shared by all instances of a class and are not reallocated in each instance.
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What's the difference between StaticResource and DynamicResource in WPF?
...ng resources such as brushes, templates and styles in WPF, they can be specified either as StaticResources
8 Answers
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Pipe subprocess standard output to a variable [duplicate]
...True argument but this fires up a fully-blown shell which can be dangerous if you don't control the contents of the command string.
>>> proc = subprocess.Popen(['cdrecord', '--help'], stderr=subprocess.PIPE)
>>> output = proc.stderr.read()
>>> print output
Usage: wodim [o...
Maven: Non-resolvable parent POM
... Putting the <relativePath> would not necessary solve the problem if you are pointing to a private repository. Look down for Tomáš Záluský response for detail explanation.
– Gi1ber7
Aug 15 '18 at 18:50
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Are static variables shared between threads?
...isn't anything special about static variables when it comes to visibility. If they are accessible any thread can get at them, so you're more likely to see concurrency problems because they're more exposed.
There is a visibility issue imposed by the JVM's memory model. Here's an article talking about...
Postgresql query between date ranges
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With dates (and times) many things become simpler if you use >= start AND < end.
For example:
SELECT
user_id
FROM
user_logs
WHERE
login_date >= '2014-02-01'
AND login_date < '2014-03-01'
In this case you still need to calculate the start date of ...