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Entity Framework 4 Single() vs First() vs FirstOrDefault()
...ds on the scenario. If you know you should always get a single record back from the db, no more, no less, for a given query then Single() is the 'right' one to use. In other situations the others may be more appropriate. In previous versions of EF we were limited to First() and FirstOrDefault() whic...
Undo a Git commit after push using reverse patch?
...ow; in those cases you will want to make a new commit that put the changes from one commit back to what they were.
– b01
Aug 23 '17 at 1:19
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What is the status of JSR 305?
... You can use the same version as for the findbugs-maven-plugin (from org.codehaus.mojo) to sync both.
– Christophe Roussy
Jan 22 '15 at 9:35
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Escape single quote character for use in an SQLite query
...ble_name (field1, field2) VALUES (123, 'Hello there''s');
Relevant quote from the documentation:
A string constant is formed by enclosing the string in single quotes ('). A single quote within the string can be encoded by putting two single quotes in a row - as in Pascal. C-style escapes using...
What to do with branch after merge
...hecked out in the recent repository history will also show up there. Aside from that, git fsck will be the tool of choice at any case of commit-loss in git.
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How to reference the initial commit?
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Otherwise, you can get list of all parentless (root) commits accessible from current branch using:
$ git rev-list --parents HEAD | egrep "^[a-f0-9]{40}$"
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How do I put a clear button inside my HTML text input box like the iPhone does?
...ary, it just nicely separates the logic needed for progressive enhancement from the source, you can of course also go ahead with plain HTML/CSS/JS:
<!DOCTYPE html>
<html lang="en">
<head>
<title>SO question 2803532, with "plain" HTML/CSS/JS</title>
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Find first element by predicate
...st()
.orElse(null);
I had to filter out only one object from a list of objects. So i used this, hope it helps.
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Rails new vs create
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From the ActiveRecord::Base documentation:
create(attributes = nil) {|object| ...}
Creates an object (or multiple objects) and saves it to the database, if validations pass. The resulting object is returned whether the o...
What is the use of static variable in C#? When to use it? Why can't I declare the static variable in
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@Kartik Patel you can't access the variable from the outside with an instance, but you can always use the static variable inside your class and then it is shared accross all instances. Also it was not me who gave this answer, i'm just commenting on it.
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