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Export and Import all MySQL databases at one time
...tation for mysqldump. You may want to use some of the options mentioned in comments:
mysqldump -u root -p --opt --all-databases > alldb.sql
mysqldump -u root -p --all-databases --skip-lock-tables > alldb.sql
Import:
mysql -u root -p < alldb.sql
...
How to set a Django model field's default value to a function call / callable (e.g., a date relative
...ease note that since Django 1.7, usage of lambda as default value is not recommended (c.f. @stvnw comment). The proper way to do this is to declare a function before the field and use it as a callable in default_value named arg:
from datetime import datetime, timedelta
# default to 1 day from now
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How do I get a list of column names from a psycopg2 cursor?
...it’s not (easily) possible to get column names for views from information_schema.
– wjv
Jun 23 '16 at 7:30
6
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TypeScript static classes
...with javascript so it doesn't make much sense
– Simon_Weaver
May 23 '14 at 1:59
4
@Simon_Weaver Y...
Checking if form has been submitted - PHP
...
For general check if there was a POST action use:
if (!empty($_POST))
EDIT: As stated in the comments, this method won't work for in some cases (e.g. with check boxes and button without a name). You really should use:
if ($_SERVER['REQUEST_METHOD'] == 'POST')
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Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
...s clustering, centralized administration and high availability.
Refer to http://blogs.oracle.com/nazrul/entry/glassfish_3_1 for more details.
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UITableView - change section header color
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751
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Hash Map in Python
...anged easily.
Rehashing is out of scope of this code.
class Node:
def __init__(self, key, value):
self.key = key
self.value = value
self.next = None
class HashMap:
def __init__(self):
self.store = [None for _ in range(16)]
def get(self, key):
ind...
Batch file to delete files older than N days
... with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
2...
How to convert byte array to Bitmap
...r = ByteBuffer.wrap(bitmapdata);
bmp.copyPixelsFromBuffer(buffer);
Check https://developer.android.com/reference/android/graphics/Bitmap.Config.html for different color options
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