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How should I call 3 functions in order to execute them one after the other?
...e synchronous. If you were to call several synchronous functions in a row
doSomething();
doSomethingElse();
doSomethingUsefulThisTime();
they will execute in order. doSomethingElse will not start until doSomething has completed. doSomethingUsefulThisTime, in turn, will not start until doSomething...
How do I run a program with commandline arguments using GDB within a Bash script?
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Argg, man gdb does not contain --args, that's why I did not find it. gdb --help does.
– Ciro Santilli 郝海东冠状病六四事件法轮功
May 15 '15 at 10:31
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Rails 3 check if attribute changed
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Check out ActiveModel::Dirty (available on all models by default). The documentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
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improv...
use localStorage across subdomains
... their own separate localStorage objects. I believe www is considered a subdomain (a stupid decision if you ask me). If a user was originally on site.com and decides to type in www . site.com on her next visit, all her personal data will be inaccessible. How do I get all my "subdomains" to share...
How do I get the 'clear' command in Cygwin?
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This package does not appear to be in the current cygwin 64-bit version.
– Andrew Prock
Sep 23 '13 at 16:42
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how to remove X-Powered-By in ExpressJS [duplicate]
...ove X-Powered-By for Security,Save Bandwidth in ExpressJS(node.js). how to do it?
it could be filter(app.use) ?
4 Answers
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Completely cancel a rebase
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Use git rebase --abort. From the official Linux kernel documentation for git rebase:
git rebase --continue | --skip | --abort | --edit-todo
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Django: How do I add arbitrary html attributes to input fields on a form?
...essForm(forms.ModelForm): class Meta: model = models.Address ) Does this mean I can't use ModelForm or is there something special I need to do?
– User
May 25 '10 at 5:02
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Using group by on multiple columns
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To illustrate using an example, let's say we have the following table, to do with who is attending what subject at a university:
Table: Subject_Selection
+---------+----------+----------+
| Subject | Semester | Attendee |
+---------+----------+----------+
| ITB001 | 1 | John |
| ITB001...
Why do I need to override the equals and hashCode methods in Java?
Recently I read through this
Developer Works Document .
29 Answers
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