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Alarm Manager Example
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I tried the solution from XXX and while it did initially work, at some point it stopped working. The onReceive never got called again. I spent hours trying to figure out what it could be. What I came to realize is that the Intent for whatever mysterious reason was no longer be...
Warning on “diff.renamelimit variable” when doing git push
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Although it also could be viewed as a hard-coded bound on the amount of CPU
time we're willing to allow users to tell git to spend on handling
renames.
An upper bound may make sense, but unfortunately this upper
bound was neither communicated to the users, nor documented anywhere.
Al...
程序员之网络安全系列(二):如何安全保存用户密码及哈希算法 - 更多技术 ...
...来我才想起可以用穷举法,最多就999次不就打开了?那么问题来了,你的密码箱还安全吗?
彩虹表
除了穷举法外,由于之前的密码泄露,那么攻击者们,手上都有大量的彩虹表,比如”I love you”,生日等等,这个表保存了这些...
How to use QueryPerformanceCounter?
... should prevent my thread from getting rescheduled to anything but the 1st CPU core. (Which is obviously only a solution for a testing environment)
– Lucas
May 22 '13 at 11:04
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CruiseControl.Net 进行持续化集成 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术
...ver服务,在启动之前,需要先解决一下可能最影响情绪的问题:我们知道windows services默认情况下是用本地系统账户运行的,可一般情况下我们会在当前操作用户下设置对vss共享目录的访问权限,比如当前windows运行账户为administra...
Is there an auto increment in sqlite?
...old & italic are mine):
The AUTOINCREMENT keyword imposes extra CPU, memory, disk space, and
disk I/O overhead and should be avoided if not strictly needed. It is
usually not needed.
In SQLite, a column with type INTEGER PRIMARY KEY is an alias for the
ROWID (except in WITHOUT ROW...
Why is f(i = -1, i = -1) undefined behavior?
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Very nice example of how the expression could actually do something unexpected while conforming to sequencing rules. Yes, a bit contrived, but so is the code snipped I'm asking about in the first place. :)
– Nicu Stiurca
Feb 10 '14 at 8...
What is the difference between JDK and JRE?
...ke javadoc and jdb). It is capable of creating and compiling programs.
Usually, if you only care about running Java programs on computer you will only install the JRE. It's all you need. On the other hand, if you are planning to do some Java programming, you need to install the JDK instead.
Somet...
Polymorphism in C++
...ecific code selected?
Run time means the compiler must generate code for all the types the program might handle while running, and at run-time the correct code is selected (virtual dispatch)
Compile time means the choice of type-specific code is made during compilation. A consequence of this: say...
互联网数据造假盛行 浮夸风伤害创新经济 - 资讯 - 清泛网 - 专注C/C++及内核技术
...今年3月同样公开指出,IT产业与互联网产业存在很大诚信问题,出现严重的数据造假,甚至出现“税前营业额”这种奇怪的名词。
数据造假乱象
本应艰辛励志的创业故事开始变得浮躁起来,数据造假和各种谎言在互联网行业...