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MongoDB SELECT COUNT GROUP BY
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I need some extra operation based on the result of aggregate function. Finally I've found some solution for aggregate function and the operation based on the result in MongoDB. I've a collection Request with field request, source, status, requestDate.
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What is the __DynamicallyInvokable attribute for?
... comment on the OP's Q - one case where the CLR seems to be doing trickery based on this is in the handling 'slight' moves of methods (e.g. down one level onto a new base class) under unification
– Ruben Bartelink
Feb 13 '13 at 13:29
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Avoid trailing zeroes in printf()
...ly work out the field widths, then format the number using a format string based on that. The test harness main() shows this in action:
40.00000000000000000000 -> 40.000
359.01335000000000263753 -> 359.013
-359.00999000000001615263 -> -359.010
359.00999999999999090505 -> 359.010
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Conceptually, how does replay work in a game?
...onized to the frame numbers). Since many games will update the game state based on the amount of time that passes between frames, you may also need to store the length of each frame.
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improv...
AES vs Blowfish for file encryption
... (and most other block ciphers of the same era, like 3DES and IDEA) have a 64 bit block size, which is considered insufficient for the large file sizes which are common these days (the larger the file, and the smaller the block size, the higher the probability of a repeated block in the ciphertext -...
CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
...MFCGridCtrl控件_使用心得.doc
MFC Grid control相关介绍及完整Demo下载：MFC Grid control 2.27
MFC Grid CGRidCtrl
MySQL DROP all tables, ignoring foreign keys
Is there a nice easy way to drop all tables from a MySQL database, ignoring any foreign key constraints that may be in there?
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sqlalchemy: how to join several tables by one query?
...e to setup integer primary keys for everything, but whatever):
class User(Base):
__tablename__ = 'users'
email = Column(String, primary_key=True)
name = Column(String)
class Document(Base):
__tablename__ = "documents"
name = Column(String, primary_key=True)
author_email = C...
CSS Input with width: 100% goes outside parent's bound
...TW
Inheriting box-sizing Probably Slightly Better Best-Practice.
Here's a demonstration in your specific context:
#mainContainer {
line-height: 20px;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
background-color: rgba(0, 50, 94, 0.2);
margin: 20px auto;
display: table;...
How to enable assembly bind failure logging (Fusion) in .NET
... To turn on/off logging handy, I've created .reg files, which are based on Gary Kindel's answer: enabling and disabling.
– Igor Kustov
Nov 19 '13 at 7:16
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