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How to apply multiple styles in WPF
...post here
WPF and Silverlight both offer the ability to derive a Style from another Style through the “BasedOn” property. This feature enables developers to organize their styles using a hierarchy similar to class inheritance. Consider the following styles:
<Style TargetType="Button" x:K...
Best practices for in-app database migration for Sqlite
...Update the database in several steps, applying the changes necessary to go from version 1 to version 2, then version 2 to version 3, etc... until it is up to date. An easy way to do this is to have a switch statement where each "case" statement updates the database by one version. You "switch" to ...
How to delete all data from solr and hbase
How do I delete all data from solr by command? We are using solr with lily and hbase .
18 Answers
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Converting a Java Keystore into PEM Format
I am trying to convert from a Java keystore file into a PEM file using keytool and openssl applicactions. But I could not find a good way to do the conversion. Any ideas?
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Why does modern Perl avoid UTF-8 by default?
...h. See uninames and tcgrep.
You almost always need access to the functions from the standard Unicode::Normalize module various types of decompositions. export PERL5OPTS=-MUnicode::Normalize=NFD,NFKD,NFC,NFKD, and then always run incoming stuff through NFD and outbound stuff from NFC. There’s no I...
How can I get the domain name of my site within a Django template?
How do I get the domain name of my current site from within a Django template? I've tried looking in the tag and filters but nothing there.
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How to compare two colors for similarity/difference
...b of telling you how different they will be PERCEIVED. Human eyes are far from perfect: we're more sensitive to green than red or blue, our brightness perception is logrithmic, etc. OP never specified which s/he wants; but see here for an algorithm specially-tailored for human sight.
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Branch from a previous commit using Git
If I have n commits, how can I branch from the n-3 commit?
19 Answers
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What part of Hindley-Milner do you not understand?
...ype τ, proves that e has type τ'.
As requested: operator precedence, from highest to lowest:
Language-specific infix and mixfix operators, such as λ x . e, ∀ α . σ, and τ → τ', let x = e0 in e1, and whitespace for function application.
:
∈ and ∉
, (left-associative)
⊢
whitespa...
How can I read input from the console using the Scanner class in Java?
How could I read input from the console using the Scanner class? Something like this:
15 Answers
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