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Python Nose Import Error
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I have a situation where tests work if init.py in root directory - however, I need that file to be there, and import models.<model_name> still is not found. Test is inside a tests/ directory, and the model I'm trying to test is inside models/ directory... any help woul...
Is it acceptable and safe to run pip install under sudo?
...sudo pip'?
To install Python package in your home directory you don't need root privileges. See description of --user option to pip.
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What is Full Text Search vs LIKE
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MySQL creates an index from the words of the enabled full-text search column and performs searches on this index. MySQL uses a sophisticated algorithm to determine the rows matched against the search query.
Also, from this S...
How exactly does a generator comprehension work?
...iterables, something like a cursor which moves on a resource. If you know mysql cursor or mongodb cursor, you may be aware of that the whole actual data never gets loaded into the memory at once, but one at a time. Your cursor moves back and forth, but there is always a one row/list element in memo...
Javascript objects: get parent [duplicate]
...t the same problem.
I have a structure like this:
var structure = {
"root":{
"name":"Main Level",
nodes:{
"node1":{
"name":"Node 1"
},
"node2":{
"name":"Node 2"
},
"node3":{
...
ActiveRecord: List columns in table from console
...console. It will enter the shell of your database, whether it is sqlite or mysql.
Then, you can query the table columns using sql command like:
pragma table_info(your_table);
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How to choose the id generation strategy when using JPA and Hibernate
...table. Do not use in a cluster.
identity
supports identity columns in DB2, MySQL, MS SQL Server, Sybase and HypersonicSQL. The returned identifier is of type long, short or int.
sequence
uses a sequence in DB2, PostgreSQL, Oracle, SAP DB, McKoi or a generator in Interbase. The returned identifier is...
Glorified classes in the Java language
...ledged status of an enum is include it in a switch statement.
Object - the root of all objects (and I would add its clone and finalize methods are not something you could implement)
References: WeakReference, SoftReference, PhantomReference
Thread - the language doesn't give you a specific instructi...
How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
...of do it with git filters:
Create/Open gitattributes file:
<project root>/.gitattributes (will be committed into repo)
OR
<project root>/.git/info/attributes (won't be committed into repo)
Add a line defining the files to be filtered:
*.rb filter=gitignore, i.e. run filter named g...
COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
... are using as well as the type of table in some cases.
For example, using MySQL, count(*) will be fast under a MyISAM table but slow under an InnoDB. Under InnoDB you should use count(1) or count(pk).
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