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typedef struct vs struct definitions [duplicate]
...a typedef can make C code more C++-like. In C++, structs (and classes, and unions, and enums) are referred to using a name that's a single identifier. Referring to a type as struct foo is more C-like.
– Keith Thompson
Feb 9 at 22:19
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How to make node.js require absolute? (instead of relative)
I would like to require my files always by the root of my project and not relative to the current module.
36 Answers
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How do I delete a fixed number of rows with sorting in PostgreSQL?
I'm trying to port some old MySQL queries to PostgreSQL, but I'm having trouble with this one:
6 Answers
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Are soft deletes a good idea? [duplicate]
...iew called recycle_bin or similar that shows only deleted records (doing a union on tables that do soft deletes on their common fields)
– Neil McGuigan
Jan 29 '12 at 10:25
2
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Rails has_and_belongs_to_many migration
...e. From the docs
By default, the name of the join table comes from the union of the
first two arguments provided to create_join_table, in alphabetical
order. To customize the name of the table, provide a :table_name
option:
...
conditional unique constraint
... records to a table that lacks the constraint, and perhaps use a view with UNION of the two tables to preserve the appearance of a single table.
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Android Studio quick documentation always “fetching documentation”
...stom path of your Android SDK.
In jdk.table.xml, find all the lines:
<root type="simple" url="http://developer.android.com/reference/">
and modify them to
<root type="simple" url="file://$USER_HOME$/Library/Android/sdk/docs/reference/">
Windows
On Windows, the file jdk.table.xml ...
How do you run a crontab in Cygwin on Windows?
...ectory and a shell. The “/etc/passwd” file will define them.
$ mkdir /root
$ chown SYSTEM:root /root
$ mcedit /etc/passwd
SYSTEM:*:......:/root:/bin/bash
The start the service:
$ cron-config
Do you want to remove or reinstall it (yes/no) yes
Do you want to install the cron daemon as a servic...
Programmatically change log level in Log4j2
...gurator.setLevel("com.example.Foo", Level.DEBUG);
// You can also set the root logger:
Configurator.setRootLevel(Level.DEBUG);
Source
EDITED to reflect changes in the API introduced in Log4j2 version 2.0.2
If you wish to change the root logger level, do something like this :
LoggerContext ctx ...
Gulps gulp.watch not triggered for new or deleted files?
...function.
Here's an example of how that function is used:
watch({
root: config.src.root,
match: [{
when: 'js/**',
then: gulpStart('js')
}, {
when: '+(scss|css)/**',
then: gulpStart('css')
}, {
when: '+(fonts|img)/**',
then: gulpStart('assets')...