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从Code Review 谈如何做技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...How perfect they are ! 这让我想到那些天天在用Spring MVC 做CRUD网页的工程师，我承认，他们很熟练。大量的重复劳动。其实，仔细想一下好多东西是可以框架化，模板化，或是自动生成的。所以，为了堆出这么多网页就停地去堆，做...
Send email using java
...ord GMail password
* @param recipientEmail TO recipient
* @param ccEmail CC recipient. Can be empty if there is no CC recipient
* @param title title of the message
* @param message message to be sent
* @throws AddressException if the email address parse failed
* @throws...
git recover deleted file where no commit was made after the delete
...
The output tells you what you need to do. git reset HEAD cc.properties etc.
This will unstage the rm operation. After that, running a git status again will tell you that you need to do a git checkout -- cc.properties to get the file back.
Update:
I have this in my config file
...
Can two different strings generate the same MD5 hash code?
...gt;/dev/null >(md5) >(sha1sum)
c6b384c4968b28812b676b49d40c09f8af4ed4cc -
008ee33a9d58b51cfeb425b0959121c9
$ echo '4dc968ff0ee35c209572d4777b721587d36fa7b21bdc56b74a3dc0783e7b9518afbfa202a8284bf36e8e4b55b35f427593d849676da0d1d55d8360fb5f07fea2' | xxd -r -p | tee >/dev/null >(md5) >(...
Set transparent background of an imageview on Android
...ncy, you should pre-pend two more characters to the hexadecimal code, like CC.
Note
android:background="#CCFF0088" in XML
where CC is the alpha value, FF is the red factor, 00 is the green factor, and 88 is the blue factor.
Some opacity code:
Hex Opacity Values
100% — FF
95% — F2
90% — E6
85% ...
Does it make any sense to use inline keyword with templates?
...t it in Explicit specialization ([temp.expl.spec])
Have the following:
a.cc
#include "tpl.h"
b.cc
#include "tpl.h"
tpl.h (taken from Explicit Specialization):
#ifndef TPL_H
#define TPL_H
template<class T> void f(T) {}
template<class T> inline T g(T) {}
template<> inline v...
HTML5 Canvas 100% Width Height of Viewport?
...of how to have a canvas dynamically adapt in size upon window resize. The accepted answer appropriately handles the case where width and height are both supposed to be 100%, which is what was asked for, but which also will change the aspect ratio of the canvas. Many users will want the canvas to res...
How to check whether a pandas DataFrame is empty?
...ength of a dataframe's columns index:
if len(df.columns) == 0: 1
Reason:
According to the Pandas Reference API, there is a distinction between:
an empty dataframe with 0 rows and 0 columns
an empty dataframe with rows containing NaN hence at least 1 column
Arguably, they are not the same. The oth...
The $.param( ) inverse function in JavaScript / jQuery
... answered Jun 9 '11 at 19:23
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Comparison of CI Servers? [closed]
...
confluence.public.thoughtworks.org/display/CC/CI+Feature+Matrix not found
– Kiquenet
Jun 23 '14 at 9:58
11
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