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Require either of two arguments using argparse
...ot both.
import argparse
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument('--foo',action=.....)
group.add_argument('--bar',action=.....)
args = parser.parse_args()
BTW, just found another question referring ...
Apache .htaccess 禁止访问某目录方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...立，例如：
admin: wwq
editer: lily baty
我将它保存为d:/下的groups文件
使用htpasswd d:/passwords lily(htpasswd d:/passwords groups)为编辑组添加两个用户
修改.htaccess：
AuthType Basic
AuthName "By Invitation Only"
AuthUserFile d:/passwords
AuthGroupFile d:/groups...
Distinct() with lambda?
...
IEnumerable<Customer> filteredList = originalList
.GroupBy(customer => customer.CustomerId)
.Select(group => group.First());
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Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
...rify the permissions of your home directory to remove write access for the group and others.
chmod go-w ~
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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...rGenerator
{
/**
* Creates a HUE ajustment ColorFilter
* @see http://groups.google.com/group/android-developers/browse_thread/thread/9e215c83c3819953
* @see http://gskinner.com/blog/archives/2007/12/colormatrix_cla.html
* @param value degrees to shift the hue.
* @return
*/
public static Co...
Modify Address Bar URL in AJAX App to Match Current State
...imilar technique is used by fb while navigating through pages of different groups. You have a left nav column in which different groups are mentioned. When you click on a particular group name the url changes and only the content of the main content pane changes along with the url(no hash). So when ...
How to remove outliers from a dataset
...ay you are done will filter based on data value. If box plot is also doing grouping, not necessarily same data value will be outlier in each group
– adam
Jun 12 '15 at 9:04
2
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You can't specify target table for update in FROM clause
... e.g., let you include non-aggregated columns in SELECT lists when you use GROUP BY, and MySQL does. I'd argue that MySQL is in the wrong here, and I might say the same of the other DBMSs for UPDATE statements.
– siride
Mar 13 '13 at 20:50
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Difference between MEAN.js and MEAN.io
... that generator-angular-fullstack doesn't
3.7% Dedicated/searchable user group: response time mostly under a day
0.4% Generate routes
0.4% Authentication - Oauth
0.4% config
0.4% i18n, localization
0.4% Input application profile
0.3% FEATURE (a.k.a. module, entity, crud-mock)
0.3% Menus system
0.3...
How do I make many-to-many field optional in Django?
...ManyToMany relation without making it required just use blank=True:
class Group(models.Model):
...
events = models.ManyToManyField(Event, blank=True)
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