This morning, I got an email about an Article from Che Webster musing about an issue I’ve been wrestling with since I started running games: sticking with one thing. I’m one of the GMs who would start talking about the latest new game he’d heard about, or new idea he’d had, and that pretty much meant that the sign that the current campaign (never long-running) was over. And now I want to tell you how that all changed.
You know what? It’s got nothing to do with running a game I’m unhappy with. The same thing happened to me every few weeks, listening to RPG podcasts, even when I didn’t have anything going on. I passed the time at work listening to Mud and Blood because they talked about Warhammer, and I was excited about Zweihander. I’m not excited about Zweihander any more, but I listened to a lot of material from them. I got excited about every single game they advertised and I wasn’t running a single thing. I canceled my play-by-post games. For about three months I had nothing going on. And then I started an experimental World War 2 game, hoping it would last me 4 to 10 weeks. That was in January and I’m still working on getting to the end of that one single mission.
Well, also in January, Almighty Gold was a twinkle in my eye. I had moved to 2nd shift, I was starting to get settled into my new job (by then 4 months old, so I suppose I was only barely settling in; I’m only barely settled in now!) and I was ready to get back to writing, if only a little. Well, I still haven’t, but that’s procrastination for you!
I wanted a project to work on. Something that was mine. Something I could run games in, and something I could write fiction around. But if I’m going to write a setting, and then run it based on the idea that’s already in my head, I need a game that can be tailored to suit, rather than a system I can tailor a setting around. I can already hear people, barely past the title. “But GURPS isn’t the perfect system,” they might say. Or, perhaps more reasonably, “am I to infer that other systems are, according to you, worse than GURPS?”
No.
But if there’s one thing that’s important to me, it’s being able to slow down. I don’t want to go on a honeymoon with a game. I want to be able to settle down, even if only for a few months, and really fall into the kind of lasting love that relationships are formed on. You can’t have a happy marriage when you’re chasing every skirt you see. You can’t have a happy gaming life when you’re chasing after the perfect game. The minute you stop searching for something better, and start trying to be happy with what you have, is the minute that you can actually start trying to appreciate it.
I’m not perfect. I love so many games. I like different ideas. Worse, I’m in several competing RPG scenes. People who love narrative games on one side, people who can’t stand them on the other. A group of players who all natively speak Russian; I know the word “пока.” The first time I talked to someone other than my faithful sounding board about Almighty Gold and got a positive response (“Why not just play the Battletech RPG” was a common response for a while) was like a revelation.
But I’ve settled in with GURPS. There are rants I could go on.  There’s a lot of material I don’t plan on ever using. I don’t think GURPS is sexy. I don’t get excited reading the Basic Set. I don’t really know anyone who does.
But I don’t get the urge to tell my players that I quit and they’re welcome to join my next campaign with GURPS. Not even when I’m 4 months deep on what was supposed to be a mini-campaign that I never really cared about.
I don’t know if that’s good or bad, but I’m glad I have a relationship now, rather than a fling, and that’s not nothing.
Comments


Reverse Engineering
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Orlando Baello
University of Washington and Trilogy CODING BOOTCAMP


In case you weren't aware, ACF has a reputation. And, though I love the format dearly, I'm afraid it is probably a deserved reputation. I was tempted to suggest that the new ACF organization be called "Hardcore, Inc." Our web page would have gotten more hits that way.
But seriously, ACF is played by some of the most wild-eyed quiz bowl addicts in all the land. They like their questions unadulterated, neat, 80-proof, and academic. A side-effect is that the questions they write are often hard. Too hard, perhaps, for novices.
There are really two ways to solve this problem, and I think both can be employed. To put it bluntly, we can get rid of the hard questions, or we can get rid of the novices. I recommend a little of both. First, ACF writers and editors need to make an effort to keep difficulty at a reasonable level. This means that when I edit ACF Regionals this year, I will be asking, for every tossup, "Will this be answered by two medium-level teams by the end of the question?" And for every bonus, "Would a .500 team in one of this year's regions get 10-20 points on this?" If the answer is no, then I'm going to do a little surgery.
I don't know what John Sheahan's method will be when he edits ACF Nationals, but he's given himself a whole semester to do it, so I expect good things from him.
The other way to change ACF's hardcore nature is to make the medium-level team better. I think ACF would be more fun for everyone if more teams were good at it. Why do we play quiz bowl instead of just watching Jeopardy? Because it's more fun to answer questions than it is to watch other people answer them. "So," you ask, "how can my team answer more questions?" Earlier this year, a friend of mine from high school, now at another college, asked me just this.
Now, I am far from considering myself a great player. But I don't think it's necessary to be one to answer my friend's question. So I offer my answer in all humility (a quality I have acquired in good measure after playing next to Eric Tentarelli for a few tournaments this fall). Take it for what it is: the story of how the 1996-7 Maryland A team got good, and how you, the older player or coach, can get your young players to do the same:
The first thing is to lay out "how it is." Make it clear that almost nobody comes to the table knowing hard ACF clues. Point out that every good ACF player was once a bad one (with very few exceptions). If your team looks up to you, point out that you didn't know hard ACF clues when you started playing.
Second, stress the value of work. Point out that it can be a lot of fun to learn the information, to memorize the lists, to write the questions. Add that it definitely helps in other formats: no good ACF team is a bad NAQT or CBI team, though some good CBI teams are bad ACF ones. This is a simple function of the distribution -- ACF's subject areas (e.g. philosophy, mythology) are a subset of NAQT's or CBI's, even if ACF's canon (e.g. Fichte, Melampus) isn't a subset of NAQT's canon.
If your club's best players are all industrious and have a hard-working approach to the game, the young players will emulate them without any slave-driving. This is how it worked at Maryland when I was there. Everything was voluntary, even if strongly encouraged.
Do not start out your new players with hard questions. Read easy ACF questions, from a juniorbird tournament or even a high school tournament. Read questions from years past -- 1993 or 94 Nationals is not too hard (last year's hard clues become this year's giveaways). Regionals would work OK too. Do not read this year's Terrapin or last year's Wahoo War or Tennessee Masters. Those tournaments were targeted at experienced players. They are too hard.
Make sure players have books and use them. I bought Benet's Reader's Encyclopedia for one player here at Cornell, and gave my Cambridge Biographical Encyclopedia to another. A third got a similar reference book. Encourage your players to write questions and bring them to practice to read. Tell them to write ACF-style questions on things they have heard come up.
Give your players list-memorizing programs. Do a net search for "Flash'em", a Mac flash-card program for memorizing lists. If you can't find it, I can send it to you. Make lists yourself and give them to your players to memorize.
Encourage players to work together. When I was a sophomore, David Hamilton, Arthur Fleming, and I held 3-man practices in addition to the ones the team held. We kept notebooks and wrote down lead-in clues. I still keep a notebook and write down things I know I should know, but don't.
If you have a decent-sized collection of old questions, you can hand out old tournaments to players to read on their own time and take notes on, to "comb" for good lead-in clues.
Hold a separate practice for younger/non-A team players. Though Dave Hamilton, Dave Goodman, Arthur Fleming and I were not given this opportunity, we created it for ourselves, and later provided it to the freshman class in 1996-7. Eventually, this should be phased out and young players should run with the big dogs in the regular practice. But it is a good idea for a year.
It helps if players bond with their teammates. My sophmore and junior years, Arthur, Dave, Dave, and I really saw ourselves as the future Maryland A team, and we often practiced together and kept each other accountable in learning lists, apart from the rest of the club. We really thought we could win Nationals in 1996 or 97. As it turns out, we weren't good enough, but we came close. Encourage your freshmen to work together and play together, or with the sophmores. This way, they can be strategic about what they learn for the long term.
It helps if players are competitive with each other. David Hamilton and I had a little rivalry in art history for a while (before he learned it better and started kicking my butt). As a result, Maryland B in 1994 was one of the best teams in the nation on that subject. A little friendly rivalry can be an excellent motivation. Practices can be competitive and still be laid-back.
Finally, encourage your players to write questions. Some of the circuit's best players are also its most prolific writers (no, Chip Beall is not one of them).
This is how it is done. There is no royal road to becoming a better player. But if the road were quick and easy, it wouldn't be so much fun.
ACF is trying harder to make itself more accessible. ACF Regionals will be easier, cheaper, and more attractive this year than ever. If you're a better player, you'll have more fun -- and not only at ACF tournaments.


Facial Recognition
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Smile, you are on camera.
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500x500


CHAPTER 658C
UNIFORM FOREIGN MONEY-JUDGMENTS
RECOGNITION ACT
REPEALED. L 2009, c 34, §2.
Cross References
For similar provisions, see chapter 658F.


 You can try:
local attribute [refl] set.subset.refl -- if that's the name of the appropriate lemma
Then your proof will work
Ah, the lemma does exist in mathlib, but without @[refl]
The proof of a refl lemma is often rfl
, and conversely any proof which is proved with rfl
is I think automatically tagged @[refl]
, but because the proof wasn't rfl here the tag is needed.
rfl
is only for reflexivity of equality and the tag comes from the fact that rfl
implies that the two terms are definitionally equal. But if we're talking of reflexivity of other relations than equality, it doesn't imply anything with regards to definitional equality
I just tried my theory and the lemma I proved with rfl was tagged @[_refl_lemma]
not @[refl]
@[refl]
means it's a proof that a relation is reflexive and is for the refl
tactic. @[_refl_lemma]
means it's a proof of equality proved using rfl
for the dsimp
tactic.
Last updated: Apr 24 2020 at 19:02 UTC


One of the things i hate is that despite having a set of filters i never change, everytime i relog onto battlelog (after a restart/browser shutdown) you always have to re-close the server filters bar, would it be possible to add an option to make it always hidden by default even after shutting down etc?.
I would love this.
A+++ on this so far thougn.
BrainFooLong
Administrator
It is possible and from now at my todo list :-)
Keep noticed for updates.


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We are happy to announce four more startups that will be exhibiting at PyCon Singapore during the two conference days. We are looking forward to great networking opportunities and a strong proof that Python is very relevant in the local startup industry.
Dashsell is an intelligent web platform to kick-start any selling activities within minutes. Sellers can utilize Dashsell to gather competitive intelligence on current market demand, optimum pricing and suitable market outreach while posting it to various marketplace such as Gumtree, OLX, Locanto etc.
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Tom Wrigglesworth (born 1976-05-05[ref]) has appeared in 14 episodes between 2010-2015. Tom Wrigglesworth on Wikipedia. Tom Wrigglesworth on Chortle.


*/b=:2 7 1 8 2 8 1792 <./b 1 >./b 8The verb resulting from the application of an adverb may (like a primitive verb) have both monadic and dyadic cases; due to its two uses, the adverb / is called either insert or table. In the present instance of / the dyadic case produces a table. For example:
2 3 5 +/ 0 1 2 3 2 3 4 5 3 4 5 6 5 6 7 8The verbs over=:({.;}.)@":@, and by=:' '&;@,.@[,.] can be entered as utilities (for use rather than for immediate study), and can clarify the interpretation of function tables such as the addition table produced above. For example:
a=: 2 3 5 b=: 0 1 2 3 a by b over a +/ b +-+-------+ | |0 1 2 3| +-+-------+ |2|2 3 4 5| |3|3 4 5 6| |5|5 6 7 8| +-+-------+ b by b over b </ b +-+-------+ | |0 1 2 3| +-+-------+ |0|0 1 1 1| |1|0 0 1 1| |2|0 0 0 1| |3|0 0 0 0| +-+-------+
Exercises
| 3.1 | Enter d=: i.5 and the sentences st=: d-/d
and pt=: d^/d to produce function tables for subtraction
and power.
|
| 3.2 | Make tables for further functions from previous sections,
including the relations < and = and > and
lesser-of and greater-of.
|
| 3.3 | Apply the verbs |. and |: to various tables,
and try to state what they do.
|
| 3.4 | The transpose function |: changes the
subtraction table, but appears to have no effect on the multiplication table.
State the property of those functions whose tables remain unchanged
when transposed. Answer: They are commutative |
| 3.5 | Enter d by d over d!/d and state the definition
of the dyad ! . Answer: ! is the binomial coefficient or outof function; 3!5 is the number of ways that three things can be chosen from five. |


|
document2html
1.0
Documents to HTML converter
|
Width and default formatting information that applies to one or more columns in a sheet. More...
#include <sheet.hpp>
Public Attributes | |
| unsigned short | m_width = 0 |
| int | m_xfIndex = -1 |
| bool | m_isHidden = false |
| bool | m_isCollapsed = false |
| bool | m_bitFlag = false |
| int | m_outlineLevel = 0 |
Width and default formatting information that applies to one or more columns in a sheet.
Here is default hierarchy for width, according to the OOo docs: In BIFF3, if a COLINFO record is missing for a column, width specified in record DEFCOLWIDTH. In BIFF4-BIFF7, width set in this COLINFO record is only used, if the corresponding bit for this column is cleared in GCW record, otherwise column width set in DEFCOLWIDTH record. In BIFF8, if COLINFO record is missing for column, width specified in record STANDARDWIDTH. If this STANDARDWIDTH record is also missing, column width of record DEFCOLWIDTH is used.
| bool excel::Colinfo::m_bitFlag = false |
1-bit flag whose purpose is unknown, but is often seen set to 1
| bool excel::Colinfo::m_isCollapsed = false |
If column is collapsed
| bool excel::Colinfo::m_isHidden = false |
If column is hidden
| int excel::Colinfo::m_outlineLevel = 0 |
Outline level of the column (0 = no outline)
| unsigned short excel::Colinfo::m_width = 0 |
Width of the column in 1/256 of width of zero character, using default font
| int excel::Colinfo::m_xfIndex = -1 |
XF index for formatting empty cells


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Change Turn Dialog
This dialog allows you to change the turn index for the action specified in the dialog’s title bar.
- Use the Select Turn (Alt+T) field to change the turn index. Legal values range from one to the current turn which is also the default.
- Choose OK or press Enter to accept the turn index, dismiss the dialog, and perform the specified action.
- Choose Cancel or press Escape to dismiss the dialog and cancel the specified action. Closing the window using X (Close) or Alt+F4 has the same effect.
- Choose Help or press F1 to show this help page.


Below are some photos of my 2008 BMW 335i coupe. A great car with plenty of power and a silky smooth driving experience.


Time-Dilation Attacks on the Lightning Network
by Gleb Naumenko and Antoine Riard on May 20, 2020
We explored applying Bitcoin’s peer-to-peer layer attacks against the Lightning Network to steal funds from payment channels.
Time-dilation attacks currently seem to be the most practical way to steal funds via an Eclipse attack for several reasons. Neither hashrate access is required nor the attacks are targeted at merchants only.
Here’s the full paper.
- Intro
- Why is this important?
- Is it just a theoretical concern?
- But can’t the victim just see that no blocks arrive?
- The attacks
- Okay, how to actually fix it?
- Conclusions
Intro
Protocols on top of the Bitcoin base layer are really cool. They offer tremendous opportunities in terms of scalability, confidentiality, and functionality, at a cost of new security assumptions.
We all know payment channels have to be monitored, otherwise, the funds can be stolen. That sounds too abstract though. We decided to study what an attacker actually has to do to steal funds from LN users.
More specifically, we explored how peer-to-peer layer attacks can help with breaking the assumption above. Per time-dilation attacks, an attacker controls the victim’s access to the Bitcoin network (hard, but not impossible) and delays block delivery to the victim. After that, the attacker exploits that the victim can’t access recent blocks in a timely manner. In some cases, it is enough to isolate the victim only for two hours.
Then the attacker makes a couple (totally legit) actions on the Lightning Network towards the victim’s channels, and at the same time commits a different state instead. Since the victim is behind in terms of the latest blockchain tip, they cannot detect this and react as required by the protocol. We demonstrate three different ways the attacker can steal funds from the victim, and discuss the feasibility/cost of these attacks. We also explore the broad scope of countermeasures, which may significantly increase the attack cost.
In short, the takeaways from our work are:
- Many Lightning users (those with Bitcoin light clients) are currently vulnerable to Eclipse attacks.
- Those Lightning users which run Bitcoin Core full nodes are more robust to Eclipse attacks, but they are still possible as recent research suggests.
- Eclipse attacks enable stealing funds via time-dilation.
- Time-dilation attacks can’t be mitigated with just observing slow block arrival, so there is no simple solution to (3).
- Thus, time-dilation is a practical way to steal funds from eclipsed users. Neither it requires hashrate nor targeted at merchants only. Light client users are a good target because they are easy to attack. Full node users are a good target because they are often used by major hubs (or service providers), and stealing their aggregate liquidiy might justify the high attack cost.
- Strong anti-Eclipse measures is the key solution. WatchTowers are cool too.
Why is this important?
First of all, time-dilation attacks are feasible against a lot of LN clients today. At the same time, these issues are fundamental and won’t go away. We’ll somewhat cover this more in the next sections.
This work, however, should not be considered as a criticism of LN. Instead, the goal is to make the LN security model more clear. Broadly speaking, understanding these issues and mitigations would help to make the platform more mature. When Lightning gets broader attention, thousands of participants will have to consider these attacks when making sure their stack is secure.
Our work can become a motivation for the following:
- for Bitcoin and Lightning protocol developers to work on the related protocol improvements and countermeasures.
- for lightning integrators (e.g. Lightning Service Providers) to do things right (deploy the countermeasures and use best practices).
- for lightning users to make an informed decision about the software they use.
- for other protocols on top of Bitcoin to be secure.
- for all of us to bring more attention to security issues of not-so-core parts of the Lightning stack (e.g., light clients).
Is it just a theoretical concern?
An attacker neither has to control key infrastructure (e.g., the victim’s ISP) nor rent any hash rate. An attacker can steal from multiple channels at once (even belonging to different victims) to justify the cost of the attack. A victim doesn’t have to be a merchant.
To steal funds with time-dilation, an attacker should open a channel with a victim and eclipse (isolate) the victim’s Bitcoin client. The former is usually doable: LN nodes often accept requests for opening a channel by default.
The latter, Eclipse attacks, are generally considered to be very difficult.
Eclipse is as far as an attacker can get without physical access to the node.
According to the latest research, they are practical against Bitcoin Core full nodes only if an attacker has access to the critical Internet infrastructure. Attacking just Bitcoin software (for example, AddrMan poisoning) alone is believed to be insufficient. However, if the gain from an attack is high, an attacker may justify the high attack cost by stealing full available victim’s capacity (or even from several victims at once). This is a reasonable assumption about the LN hubs or service providers, which often run (as they should) full nodes.
As for the light clients, eclipsing them is unfortunately not that difficult at all. There are very few Bitcoin nodes that can serve light clients, and light clients have poor anti-Sybil mechanisms. Same with Electrum. Thus, it requires an attacker to run a couple of hundreds of malicious nodes/servers with distinct IPs to Eclipse light clients. To be clear, it can be done from scratch within an hour for less than 100$.
But this is true assuming light clients connect to random Bitcoin nodes from the network. If light clients are connected to the user’s own Bitcoin node (via Neutrino or Electrum), that is perfectly fine. Bitcoin Core nodes can still be subject to the attacks, but the issue is not as severe.
Light clients can also be connected to trusted nodes. For example, a wallet app may have a Bitcoin light client talking to the wallet developers’ full node in the background. Lightning is supposed to be non-custodial, so we can’t just assume that it’s fine to trust a node of your wallet provider. If the trusted nodes are used along with random nodes, that’s better, but still hard to reason about. To the best of our knowledge, some of the top Lightning wallets use this model.
The problem here is that the software can be correct and properly implement a semi-trusted model (with both trusted and random peers), but the trusted party can still time-dilate the victim’s channels. For example, a wallet developer can scam all their users at once and disappear.
In our work, we focus a trust-minimized scenario (no trusted nodes at all), similarly to the Bitcoin threat model, although most of the time-dilation aspects are agnostic to the victim’s source of blocks (we just assume an Eclipse attack is possible).
But can’t the victim just see that no blocks arrive?
This is not a reliable way to detect time-dilation because mining is a random process. For example, every day there are on average seven 30+ minutes block intervals. That’s why the problem is so hard to mitigate in full.
The only real countermeasure used in Bitcoin Core today is stale tip detection: if a node doesn’t observe a block within the last 30 minutes, it attempts to make a new random connection to someone in the network.
In the paper, we argue that the optimal attack strategy is to maintain a window of 29.5 minutes before feeding a new block to the victim. In this case, an attack can fail only if one of the blocks naturally took way too long (at least 30 minutes). The probability of failure is around 6%.
Failure case means the victim might have a chance (but not guaranteed) to break free from eclipsing. Note that this measure is not implemented in Neutrino, so an attacker can just stop feeding blocks at all, and exploit the time dilation earlier than against Bitcoin Core.
Improving this kind of detection, because it would be either gameable or would have a very high false-positive rate due to naturally “slow” blocks. An honest user can’t distinguish a “slow” block from being under attack, so they can only make a good guess. These solutions are also problematic because even stale tip detection has already way too high false-positive rate (seven times a day) despite being not very effective against time dilations.
Other solutions based on detection are not that simple either. For example, looking at the timestamps in a block header is tricky, and the exact analysis to be applied is not clear.
But even if the detection worked, what a victim would do? The reaction boils down to anti-Eclipse measures, which should be implemented in the first place, without any triggering. That’s why we emphasize that fightning Eclipse attacks is the key solution to time-dilation attacks.
The attacks
First of all, the attacker should eclipse the victim’s Bitcoin client from the honest network. Then the attacker has to find the victim’s Lightning node and open a channel with the victim. The attacker can also start with an open channel and then find and Eclipse the victim’s Bitcoin client, it doesn’t matter.
After that, the attacker has to perform time-dilation: they start delivering blocks to the victim at a slower rate, up until the victim is N blocks behind the actual tip, where N is defined by the particular configuration (usually hours to days).
In the case of Bitcoin Core, the time-dilation speed is limited by 20 minutes delay per block, due to the implemented “stale tip detection”. For Neutrino, an attacker can simply stop feeding blocks to the victim. That’s why it would take longer to attack Bitcoin Core in the descriptions below.
In our descriptions, the estimated attack timings are based on the most optimal time-dilation strategy suggested in the paper. In terms of the amounts, all three attacks may result in stealing full channel capacities, according to the current implementations.
Now let’s describe three ways to steal the funds from payment channels of time-dilated Lightning nodes.
Targeting Channel State Finalization is similar to a regular Bitcoin double-spend: the attacker pretends they agree to update channel state and receives something, but then closes the channel with a different value. Since the victim can’t see the latest tip, they won’t transmit a revocation transaction. The default safety block delta currently implemented is at least 144 blocks, so the attacker would have to eclipse a victim for at least 24 hours (36 hours if Bitcoin Core is used).
Targeting Per-Hop Packet Delay is based on routing via the victim, and the victim should have at least two channels with the attacker.
Similar to the first attack, it will be too late for the victim to react when they finally reach the actual blockchain tip. Per this attack, the default values are around 14-144 blocks depending on the implementation, so the attacker has to keep the victim eclipsed for 2-24 hours (4-36 hours if Bitcoin Core is used).
Targeting Packet Finalization is the most creative approach, and the most feasible too! The attacker just does not responds to the victim, when the victim sends them a preimage for the incoming HTLC.
The relevant safety policy states 7-11 blocks in this case, so the attacker has to keep the victim eclipsed only for up to 2 hours (3 hours if Bitcoin Core is used).
Okay, how to actually fix it?
First of all, WatchTowers are great (e.g. The Eye of Satoshi), they should help to keep an eye on your channels and act if someone attacks you.
But it’s sort of cheating from the protocol perspective: it’s effectively one more trust assumption. A user becomes bonded with the WatchTower provider. Some designs suggest accountable WatchTowers, but again, that’s new assumptions and should be explored in detail. But after all, they can be attacked too, or even bribed!
We’ll see how WatchTowers work out in practice, but let’s think about the solutions without new assumptions.
Most of the “non-cheating” countermeasures are about redundant ways of accessing the Bitcoin network. The more creative the better! Blockstream Satellite, or relay block headers via Lightning. One can also run their own WatchTower under some redundant infrastructure (luckily, the software is usually open-source).
P2P-layer privacy improvements help too. No, Dandelion probably won’t work (you’re welcome to try though), and Tor is tricky too. But there is hope with other ideas. Maybe we’ll see some mixnets (based on Lightning?) or SCION architecture in the future.
In case you are wondering why we don’t talk about detection-based solutions, please get back to this section and read more in the paper. They may be helpful too, but they are not sufficient.
Conclusions
We believe that Lightning is super cool and it is already an important part of the Bitcoin stack. It is going to get more attention in the future, so the security model should be well-understood, especially since it’s different from what Bitcoin has. Time-dilation is an example of that: it is an LN-specific class of attacks, although in practice it requires Bitcoin’s peer-to-peer layer exploitation.
Our work explores time-dilation attacks in detail and suggests how to minimize the damage. We encourage all protocol developers (especially those working on light clients) to pay attention to anti-Sybil and anti-Eclipse measures.
We hope our work will help to make the Lightning Network more mature and motivate participants of the system to use best security practices. We covered some cool parts of the paper ideas here, but there’s much more there, please read.
Bonus: Open Problems
Exploring time-dilation attacks spawned a bunch of discussions between the two of us, and we wanted to share some of them with those who managed to find this section. These are different from the Discussion section in the paper because they are less related to the time-dilation attacks.
We would be happy to learn if any of these ideas were already discussed or are in works!
- We are interested in exploring the liquidity/security tradeoff of payment channels, especially in light of the attacks. We believe that not only the channel capacity should define the CSV/CLTV timelock values. A particular user’s security (e.g., whether a WatchTower is used) should be taken into account too.
- We are also interested in exploring new mechanisms of post-unilateral agreement. It should be possible for Bob to fallback to the fast cooperative close even if a unilateral close was initiated by him due to Alice’s irresponsiveness.
- In future, we may see a cohort of malicious miners causing a cascade of channel closings and fee bumpings if Lightning Nodes use stale tip detection to force close channels. We are interested in seeing whether this may be profitable for miners, especially in light of the low block subsidies. We already mentioned this question in a mailing list earlier this year.
- Instead of eclipsing the victim’s Bitcoin node, an attacker can eclipse a Lightning Node to control which channel announcements the victim receives. It would be interesting to explore whether an attacker can manipulate the victim’s routing to harvest fees or spy on the victim’s payments via this approach.
If you are interested in exploring any of these or have something similar in mind, feel free to reach out.


Box plot of the data of all runs of all selected instances for each selected solver.
Incorrect results are treated as having used the maximum allowed CPU time of the experiment.
{% if form.solver_configs.data and form.i.data %}
{% autoescape false %}


Recently my team is getting to be a hot potato around in the eng department since a lot of customer features/issues raised up to leadership during our SAFe Planning Conference. The solely purpose to have a team here is for better customer/developer experience. Is that super cool? It’s just my thing to get insights from frontier with real users.Nothing change too much in my daily routine except being hustler around more often. But I noticed a subtle interesting process, which is our code review. This post is aiming to share some helpful thoughts from multiple hats, like developer’s mind and product owner’s mind.(assume I’m in his shoes.)
Definitely not the best practice on my team, but what’s the root cause for non-effective way and why we cannot get rid of it earlier on, and most importantly — how can we do it better in the future?
I try to summarized into a few aspects we might need to highlight and to face it honestly as a whole development team.
A bit political stings can emerge even worse.
Probably this is the worst part in a harmony of engineering life, but it does happen…kind of easy in real life example. I mean no one is originally trying to bully a junior by intimidating him/her to do A or B, or to show off how fancy Streaming in Java 9 or how solid Promise in ES6 to save all legacy callback hell. But once this loop starts rolling on the road, it hardly has an immediate stop without coming back and forth. And in my experience, It’s such a waste to get distracted from getting more important things done, how about we just even have a beer then have a kickback in the cafe area? I really want, sometimes.
Security review is often-undervalued and bite us back
We always take pride a lot as owning “Security is a first” as engineering creed here. We can’t just follow behind Transunion, not even need to mention tech giant — Facebook.(Sorry, my friend in FB lol…you’re not on the third-party API team though.) When it comes to code review, however, developers are inclined to have a mindset like a gang of hackers inadvertently crack things down and fix it up in the build pipeline, and even feeling awesome which is a classical false impression for software engineer, especially not-well-seasoned ones. but we need to be tougher on sausage-baking process in case of owning security compliance (we do have our internal security guideline for engineering teams). Self-defending code is always good even it’s not in very lean and smart way.
Lower documentation coverage is what triggers confusion
Reduce more explicit question in the comments and drag a big conversation frequently. Especially a huge benefit for new hire (or one is not much involved with a certain product’s recent feature, but is a member of PR’s approval list), In my opinion, good coder could have been writing down the clear technical specs such as architecture design doc/key defects report and etc, based upon our code style guidance.
There are several basic ideas came out of my mind and I think it’s noteworthy following it at least myself:
1. Focus on the code itself but ignore who wrote the code.
2. Raise kind question without sarcastic/joke attitude to make a suggestion.
3. Keep conversation as lean as possible but also informational. (Make this meaningful…)
4. Implement Code Lint tools (We are considering SonarQube integrated into Gitlab pipeline after 2 weeks I wrote this post. Yah!)
5. Encourage team members to get some data or insights through the code review and expand transparency, which could possibly reduce process shit in the long run.
From PO’s point of view, It’s likely getting highly subjective things to evaluate the incentives that development team deliver. Are we still great software engineers if we ship the sloppy hacky code when we don’t have too much runway? or we are just sticking around the standards by writing beautiful code given loads of time.
There are tons of solid materials could be a gold guide, I mean generally for code reviews in most cases. But I am not going to draft a email with a long list of hyperlinks then spread to the team. (I know it doesn’t always work even if you do a funny engineering survey or questionnaire.) I want to figure out why and really talk to key team members and discuss a viable approach for us.


|
Padaria Baker
|
#include <date.h>
Public Member Functions | |
| Date () | |
| Date (const Date &date) | |
| Date (int day, int month, int year) | |
| ~Date () | |
| int | getDay () const |
| int | getMonth () const |
| int | getYear () const |
| string | getWeekday () const |
| string | getInfo () const |
| void | setDay (int day) |
| void | setMonth (int month) |
| void | setYear (int year) |
| void | setDate (string &date) |
| void | setWeekday (string weekday) |
| string | getExtendedDate () const |
| Date | operator++ () |
| Date | operator++ (int) |
| Date | operator-- () |
| Date | operator-- (int) |
| Date | operator+ (int days) const |
| Date | operator= (const Date &date) |
| bool | operator== (const Date &date) const |
| bool | operator< (const Date &date) const |
Static Public Member Functions | |
| static void | nextDate (Date &d) |
| static int | getCCode (int month, bool leap) |
| static string | calculateWeekday (int day, int month, int year) |
Class Date: This class will store the date we're working on
| Date::Date | ( | ) |
This constructor store the current date!
| Date::Date | ( | const Date & | date | ) |
Copy constructor
| date |
| Date::Date | ( | int | day, |
| int | month, | ||
| int | year | ||
| ) |
Constructor with 3 arguments (not really used in this project)
| day | Day of the date |
| month | Month of the date |
| year | Year of the date |
|
inline |
|
static |
|
static |
| int Date::getDay | ( | ) | const |
| string Date::getExtendedDate | ( | ) | const |
| string Date::getInfo | ( | ) | const |
Date string
| int Date::getMonth | ( | ) | const |
| string Date::getWeekday | ( | ) | const |
| int Date::getYear | ( | ) | const |
|
static |
Increases one day
| d | The date of the input, and the output will that date increased by one day |
| Date Date::operator+ | ( | int | days | ) | const |
| Date Date::operator++ | ( | ) |
| Date Date::operator++ | ( | int | ) |
Increases one day
| Date Date::operator-- | ( | ) |
| Date Date::operator-- | ( | int | ) |
| bool Date::operator< | ( | const Date & | date | ) | const |
| bool Date::operator== | ( | const Date & | date | ) | const |
| void Date::setDate | ( | string & | date | ) |
| void Date::setDay | ( | int | day | ) |
| void Date::setMonth | ( | int | month | ) |
| void Date::setWeekday | ( | string | weekday | ) |
| void Date::setYear | ( | int | year | ) |


Here's a paragraph with an ID so you can do stuff by ID - the ID is p1 just in case you can't be bothered to look at the source.
Here's another paragraph, this time without an ID
Here's yet another paragraph, this time without an ID
There's a button below which runs some simple jQuery. Have a play with the code, and see if you can get it to do something else. For example, why not try adding some CSS to the page?


107 XII. User Interface Elements In this chapter we describe in detail the various buttons, menus, and other clickable elements of the Snap ! user interface. Here again is the map of the Snap ! window: A. Tool Bar Features Holding down the Shift key while clicking on any of the menu buttons gives access to an extended menu with options, shown in red, that are experimental or for use by the developers. We’re not listing those extra options here because they change frequently and you shouldn’t rely on them. But they’re not secrets. The Snap ! Logo Menu The Snap ! logo at the left end of the tool bar is clickable. It shows a menu of options about Snap ! itself: The About option displays information about Snap ! itself, including version numbers for the source modules, the implementors, and the license (AGPL: you can do anything with it except create proprietary versions, basically).


---
layout: default
title: Mechanical Year 2
---
Mechanical Year 2
2019-2020
{% capture currentmonth %}{{'now' | date: '%m'}}{% endcapture %}{% capture february %}{{'February' | date: '%m'}}{% endcapture %}{% capture july %}{{'July' | date: '%m'}}{% endcapture %}
{% if currentmonth >= february and currentmonth <= july %}
{% assign source = site.data.mechanical.year2.Data_2019-2020_Term2.files %}
{% include query-week.html %}
{% include query-subject.html subject='Term 2 - Machinery Design' %}
{% include query-subject.html subject='Term 2 - Fluid Mechanics' %}
{% include query-subject.html subject='Term 2 - Production Engineering 2' %}
{% include query-subject.html subject='Term 2 - Heat Transfer and Mass' %}
{% include query-subject.html subject='Term 2 - Measurements' %}
{% include query-subject.html subject='Term 2 - Engineering Economics' %}
{% else %}
{% assign source = site.data.mechanical.year2.Data_2019-2020_Term1.files %}
{% include query-week.html %}
{% include query-subject.html subject='Term 1 - Theory of Machines' %}
{% include query-subject.html subject='Term 1 - Machinery Design' %}
{% include query-subject.html subject='Term 1 - Electrical Engineering' %}
{% include query-subject.html subject='Term 1 - Stress Analysis' %}
{% include query-subject.html subject='Term 1 - Thermodynamics 2' %}
{% include query-subject.html subject='Term 1 - Fluid Mechanics' %}
{% include query-subject.html subject='Term 1 - Industrial Safety' %}
{% endif %}


I'm Danilo Aleixo, I have a bachelor's in Computer Science and have been coding since 2009 but
in the last 5 years have been focusing on Javascript environment, developing both front-end and
back-end applications, as well as, architecting cloud systems.
I'm currently working as a Software Architect developing a whole spectrum of services using
Node, Angular, AWS and kubernetes, assuring a clear focus on a scalable and customer-friendly
application.
I consider myself a philomath and just love to learn new things, lately I've been studying
deep learning and developing neuro-evolution models as well as deepening the understanding on
kubernetes management, also learning french and piano.
I'm Danilo Aleixo, I have a bachelor's in Computer Science and have been coding since 2009 but
in the last 5 years have been focusing on Javascript environment, developing both front-end and
back-end applications, as well as, architecting cloud systems.
I'm currently working as a Software Architect developing a whole spectrum of services using
Node, Angular, AWS and kubernetes, assuring a clear focus on a scalable and customer-friendly
application.
I consider myself a philomath and just love to learn new things, lately I've been studying
deep learning and developing neuro-evolution models as well as deepening the understanding on
kubernetes management, also learning french and piano.
Was responsible for turning the idea into reality. I've architected and helped develop the whole system from the ground-up, managing a team of developers and designers, with a whole spectrum of services using Node, Angular, React, AWS and K8S.
Was responsible for turning the idea into reality. I've architected and helped develop the whole system from the ground-up, managing a team of developers and designers, with a whole spectrum of services using Node, Angular, React, AWS and K8S.
Managed a small team of developers and designers, together we delivered the whole client app. The
application was developed with Angular. I also helped architect and develop the backend application
which works with NodeJS using GCP.
Duties:
- Architected a fully scalable client application, using design patterns and object oriented
approaches.
- Helped architect a backend application based on scalable growth and performance.
Managed a small team of developers and designers, together we delivered the whole client app. The application was developed with Angular. I also helped architect and develop the backend application which works with NodeJS using GCP.
Founded with some friends, it was a peer-to-peer tutor class platform. We went from ideation to implementation, received an angel investment but went bankrupt during the test phase.
Founded with some friends, it was a peer-to-peer tutor class platform. We went from ideation to implementation, received an angel investment but went bankrupt during the test phase.
I've worked in software development and business analysis for some of the bank's foreign units as New York, Nassau/Cayman and London.
I've worked in software development and business analysis for some of the bank's foreign units as New York, Nassau/Cayman and London.
Deep Lerning Specialization covering a broad spectrum of algorithms and deep learning architectures
Involved in a Scientific Initiation scholar of CNPq during one year that leads to the publication of the research "Event Simulator for Spacial Systems"
Trading algo using neuro evolution and other architectures.
Trading algo using neuro evolution and other architectures.
Personal finance app, see your spedings and investments.
Personal finance app, see your spedings and investments.
The goal is to provide a simple app to manage your personal spendings and investments.
Help your kid learn how to save and manage money.
Help your kid learn how to save and manage money. Part of my undergraduate thesis where I study the best method to teach kids financial education.
Kubernetes containers are really fast, but are you able to be faster?
Kubernetes containers are really fast, but are you able to be faster?
Little Project developed to generate leads to Getup Cloud company and in the future people
who registrated in their plataform would receive this game as "loading screen". It was not
published.
A contest to test Angular skills, the challenge here is to create a calendar.
A contest to test Angular skills, the challenge here is to create a calendar. The calendar show your actual events scheduled, let you schedule new events and provide a nice interface.
Can you tidy up the tiles at São Paulo?
Can you tidy up the tiles at São Paulo?
Game developed in HTML canvas to study its structure and to have a game with São Paulo
theme
Fundamental analysis platform for BOVESPA stocks, generating a score for each share according to the selected criteria on the indicators.
Fundamental analysis platform for BOVESPA stocks, generating a score for each share
according to the selected criteria on the indicators.
Project to help fundamental analysts choose the best stocks in São Paulo stock market,
using fundamental principles described at Benjamin Graham's "Intelligent Investor"
According to Itau, Innovation Challenge is a entrepreneurship and innovation competition, In which, groups are formed by members of different work areas in order to come up with ideias or solutions for the bank, chasing the "Best Innovation Project" award.


List of all members.
Public Member Functions
Static Public Member Functions
Constructor & Destructor Documentation
Member Function Documentation
- Returns:
- Returns the number of available network interfaces or 0 if the list has never been updated.
- Returns:
- Returns the display name for the network interface with the specified
index
.
Gets the list of IP addresses for the network interface with the specified index
and stores them in addresses
.
- Returns:
- Returns the MTU for the network interface with the specified
index
.
- Returns:
- Returns the name for the network interface with the specified
index
.
- Returns:
- Returns the current state of the network interface with the specified
index
.
- Returns:
- Returns the type of the network interface with the specified
index
.
Returns true if the required interface is available.
The documentation for this class was generated from the following file:


Welcome!
Welcome!
Welcome to the Quality Movement!
Vision
In the future envisioned by the quality movement, communities of people are highly self-reliant. People have real jobs which matter. Bullshit jobs are gone - automated away using technology. There are no bankers or real-estate agents. The middle-man is cut out, and service providers + builders are directly connected to buyers of their services and products.
Builders
- Locally made
- Local materials
- High quality
- Design for longevity
- Support repairs
- Buy back and recycle
Buyers
- Buy local
- Buy quality
- Eschew brands
- Buy consciously
- Consider the local environment
- Seek out real value
Manifesto
The quality movement has a simple goal: to choose quality, locally made products and services.
Politics
The quality movement is not political. The goal is to change ourselves as consumers so that what we favour is of real value. This change would be brought about by illustrating that we don’t have to accept poorly made crap peddled by marketing and hype merchants who also exploit global cheap labour markets and ruin the environment by shipping goods globally. Buying locally made, high quality products necessitates small businesses and less massively concentrated wealth because of the logistics of those businesses being locally situated and serving a small customer base. The fact that these businesses would both employ locals and serve locals high quality goods and services should also be a point of difference increasing their value to consumers. We’re not trying to take away anyone’s choices. We’re trying to encourage people to make better choices.
Trust and Transparency
Since wealth is so massively centralised at the moment by massive brands, the quality of goods is not commensurate with the price of those goods. The quality movement is about realigning the value of goods with the price of those goods. It's about cutting through the hype and marketing, the lies. Bringing back transparency and honesty, in order to build trust.
Brands in our Hands
Brands are a dangerous route to the lowering of quality. The original idea had merit, but brands have now devolved into simple deception, almost true is that: Brand = Lie. I like the idea of actual quality. Not someone trying to tell me that their product has quality. Measurable, factual quality. The concept that brand marketing has to convince you to trust a companys product or service, and that this is virtually the only voice on the topic distorts the truth. In an era where we can use pervasive sensors and scientific processes like the double-blind study, we need not believe unsubstantiated claims. Combine the capability to establish facts scientifically with the ability to immediately communicate them over social media, there's no reason for self-interested hype to be the most powerful voice we hear. We can, or should soon be able to, find out for ourselves exactly the quality of the options available and select one based on price and quality merits. As technology and openness in local businesses improves, we will trust local businesses more and more. Not on the basis of their marketing, but on our first hand and word of mouth knowledge that what we buy is of good quality. In a democratic system, we need to decide for ourselves how we want to learn about products and services. Do we accept the idea of being lied to by marketing companies? Do we want our children's sensitive self-worth damaged by companies creating problems that don't exist in order to sell solutions? Let's take back control of the narrative, and instead of letting corporate brands stamp us with their hype, let's apply our own brand on corporations based on independently measured truth.


What is a project?
Project allows you to focus on certain objects, for example trees, for which you can collect geographical data points and attributes. You are then able to view the objects on a map and export the geographical data and attribute values.
What is an attribute?
An attribute is a certain characteristic of the object of focus. For example, if a project is focused on trees an attribute can be type or height of a tree.
What types of attributes can be added to a project?
Text and number. For example if the project is focused on trees, a text attribute can be type of a tree, a number attribute can be the height of a tree.
How to add an attribute when the project is already created?
Once the project is created it is possible to add attributes by going to the project, then go to 'edit project' and then at the top of the page is a button 'edit attributes' that opens up a page where you can delete, add or edit an attribute of the project.
How to add other users to work on my project?
In the case that your project is a private project you can add a user by going to the 'Project Team' page adding them via email. When your project is public other user can search through the open projects and add themselves as a user.
How to remove a user from your project?
In order to remove a user from you rproject you need to open your project, go to 'project team' and remove the email address of that user from the list.
What does it mean that project is private or public?
A private project is your own project that you created and did not share with anyone so it is not possible for anyone to access it on their own. You can still add members to collaborate with you on the project while it is private. Public project means that anyone is able to access the project and collaborate. You are however still the owner of the project and can decide anytime whether the project is private or public.
How to make a project private or public?
When a project is created it is automatically private. In order to change it to public or private again, you need to open the project, go to 'project team' and on the top left there is a slider that changes the project into private or public.
How to export the project data?
In order to export the project data you need to open your project, go to 'data overview' and click on the 'data export' button. There you can select the format of the exported data file and download the data.
{% endblock %}


the question game
instructions:
- assign everyone a number
- go around in a circle taking turns asking questions
- when you hit "ask the question", the person assigned to that number answers the question aloud
- but in their heads, everyone secretly answers >>>:)
questions are more revealing than answers


wow! comic-con mexico 2020
The WOW! Convention (Comic-Con International) is a Mexico Nonprofit Public Benefit Corporation organized for charitable purposes and dedicated to creating the general public’s awareness of and appreciation for comics and related popular art forms, including participation in and support of public presentations, conventions, exhibits, museums and other public outreach activities which celebrate the historic and ongoing contribution of comics to art and culture.
Please contact us per Email for any further questions about WOW! Comic-Con Mexico 2020 in<EMAIL_ADDRESS>>
History
With more than 20 years of experience and tens of thousands of attendees and with the best guests in each edition, WOW! Comic-Con International is the main world reference in terms of entertainment conventions.
previous versions
previous versions
Take a look at the last two WOW! Comic-Con International edicions
WOW! Comic-Con 2017
WOW! Comic-Con 2019


The Skeleton-skeleton is a Gulp/LESS toolchain for Skeleton: A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development, based on Skeleton-less.
Use the Skeleton-skeleton toolchain together with this Kitchen Sink page to easily customize Skeleton. The Skeleton-skeleton uses BrowserSync allowing you to develop your responsive layouts on multiple devices at once.
If you need some help hit up the Skeleton documentation. You can find the Skeleton-skeleton on Github.
The typography base is Raleway served by Google, set at 15rem (15px) over a 1.6 line height (24px).
.some-class {
background-color: red;
}
| Name | Age | Sex | Location |
|---|---|---|---|
| Dave Gamache | 26 | Male | San Francisco |
| Dwayne Johnson | 42 | Male | Hayward |


KNOCK OFF * (out of five stars) A review by Jamey Hughton
Starring-Jean-Claude Van Damme, Rob Schneider, Lela Rochon and Paul Sorvino Director-Tsui Hark Rated 14A Released 1998 Sony
MOVIE VIEWS by Jamey Hughton http://Welcome.to/MovieViews
Once upon a time Jean-Claude Van Damme was a decent action hero. The Muscles from Brussels bursted into the Hollywood market with mindless adventure films, boasting his spectacular martial-arts ability. Some of these excursions were fun. But now it seems like watching a Van Damme movie has become a painful chore, with no rewards but the virtually guaranteed helping of mind-numbing action. And when the action goes sour, what is there left to enjoy?
I'll explain. Knock Off is about a pair of counterfeit jeans salesmen working out of an office in Hong Kong. Marcus Ray (Van Damme), a babe-magnet and stylish dresser, heads up the company with an annoying weasel of a partner (Rob Schneider). They become part of a plot involving microbombs implanted in counterfeit jeans, seemingly by a mole in the business. I'm going to reveal about everything in the next paragraph, so if you want a review devoid of spoilers, skip onto the next one. I'm not quite sure who gives a crap, but I'll issue a warning anyhow.
Tommy is really working with the CIA. His boss (a very hammy and flat Paul Sorvino) is the mole, and he wants to cause carnage with these tiny but immensely powerful super weapons. He even stoops so low to put them into children's toys.  If you think that this ridiculous set-up couldn't even fill five minutes of screen time without causing you to roll over laughing, this might not be your cup of tea.
 It stoops to ridiculous levels that most individuals could only conjure up in horrific nightmares. It amazes me how far these producers will go to sell something, simply because Van Damme is the star.  Director Tsui Hark (who teamed with Van Damme in the superior, but still lame-brained Double Team) is at the helm, and he would rather attempt to dazzle us with fantastic camera angles than engage us with the plot. I suppose I enjoyed some of the camera work, but the incessant desperation of it all made me rather nauseous. The picture freezes in the middle of an action sequence, speeds are altered consistently, and the camera tricks mostly apply to traveling up gun barrels as the weapons are fired. It all sounds very cool. Trust me, it isn't.
As much as it scars me to say this (har, har), Van Damme is terrible. Sure, he does lots of fancy kickboxing moves and dodges giant crates with the greatest of ease. He looks like he's doing a bad impersonation of Jackie Chan, and his performance is stiff and tired. I hate to say it, but perhaps it's time for Mr. Van Damme to give up his day job.
It's really a test of endurance watching Knock Off. I suppose there's some enjoyment derived from Schneider's character, who is extremely annoying, but provides the film's better moments. And what is the beautiful Lela Rochon doing in this movie? Hopefully she grabbed her paycheck and then fled the premises like an Olympic sprinter. Knock Off doesn't even stand strong as a mindless but entertaining action film, like a handful of Van Damme's others. No, this movie is an embarrassment to the entire action genre of modern filmmaking. And considering how low Hollywood has stooped as of late in that department, that is certainly not saying much.
Note to self: Avoid Universal Soldier 2: The Return upon release in August ‘99.
(C) 1999, Jamey Hughton
* * * * * * * * * * * * * * * MOVIE VIEWS by Jamey Hughton http://Welcome.to/MovieViews <<<<<<<<<<<<<<<>>>>>>>>>>>>>>>
Contact Jamey at<EMAIL_ADDRESS>The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


1. request a credential with a raw data via an e-mail to<EMAIL_ADDRESS>here is an request form)
Module Name = YOUR_MODULE_NAME
Requested by = YOUR_NAME and E-MAIL
Owner = WHO INCHARGE OF THIS MODULE
Reason = to store private key
-----BEGIN ClOUD SECRET KEY-----
Axxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy
-----END ClOUD SECRET KEY-----
you can get 000000x.bin file.
2. you need to modify RPM spec file and CMakeLists.txt
RPM spec file example)
XXX.spec
BuildRequires: pkgconfig(libtzplatform-config)
BuildRequires: pkgconfig(securestorage-client)
BuildRequires: pkgconfig(sdp)
Requires: securestorage-client
Requires: sdp
%define RO_PATH %{TZ_SYS_RO_APP}/%{name}/
%build
%cmake . \
-DRO_PATH=%{RO_PATH}
%files
%manifest %{name}.manifest
%defattr(-,root,root,-)
%{RO_PATH}/*
/**/CMakeLists.txt example)
CMakeLists.txt
pkg_check_modules(ss_pkgs REQUIRED
libtzplatform-config
securestorage-client
sdp
)
ADD_DEFINITIONS(-DRO_PATH:string="${RO_PATH}")
TARGET_LINK_LIBRARIES(${PRJ} ${ss_pkgs_LDFLAGS})
INSTALL(FILES ${PROJECT_SOURCE_DIR}/Crt/000000X.bin DESTINATION ${RO_PATH})
3. you need to init security module.
#include
#define BIN_PATH RO_PATH "/000000x.bin"
int sdp_init()
{
// install package from file
char* file_name = BIN_PATH;
unsigned int options = SDP_OPT_ENC_USE_PREDEFINED_KEY;
int ret = sdp_install_from_file( file_name, options, NULL );
if (ret == SDP_RET_SUCCESS || ret == SDP_RET_DOUBLE_CHECK_ON_NEXT_BOOT)
{
SLOGI("[module_name] [%d] .bin [%s, ret=%d ], install ok", __LINE__, file_name, ret );
ret = 0;
}
else
{
SLOGE("[module_name] [%d] .bin [%s, ret=%d ], install fail", __LINE__, file_name, ret );
}
return ret;
}
4. now you can get the decrypted_data_buffer using ss_read API with given credential and x.bin
#include
#define DATAOBJ_NAME "secretkey"
const unsigned module_id = 0x57e2214cU; // sample credential , you have to use your own credential
const unsigned long long uuid1 = 0x1f86d2029ae8aa34ULL; // sample credential , you have to use your own credential
const unsigned long long uuid2 = 0x0032ebb881eedfa6ULL; // sample credential , you have to use your own credential
const unsigned cred_ver_maj = 1;
const unsigned cred_ver_min = 0;
int ss_read_and_use_sample_code()
{
ss_credential_s creds;
ss_init_credential(&creds, module_id , uuid1 , uuid2, cred_ver_maj, cred_ver_min);
unsigned char* ret_buf_raw = NULL;
size_t ret_buf_size = 0;
int ret = ss_read( &ret_buf_raw, &ret_buf_size, 0, NULL, DATAOBJ_NAME, &creds, SS_OPT_UNIQUE | SS_OPT_PERMANENT );
if( ret == SS_RET_CANT_FIND_REQUESTED_DATA )
{
// Object is not found in SecureStorage,
// needs to be re-installed by sdp_install_from_file API call.
SLOGE("[module_name] [%d] .bin is not installed. Need to re-install", __LINE__ );
return -1;
}
else if( ret == SS_RET_SUCCESS )
{
// TODO:
// use object ret_buf_raw here
// Copy or use immediately
// Delete after use
ss_free_buffer( ret_buf_raw );
return 0;
}
else
{
SLOGE("[module_name] [%d] SS error %d", __LINE__, ret );
return ret;
}
}


{{analysis.title}}
{{analysis.description}}
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{{analysis.query}}
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Running query
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for {{minutes}} minute(s), {{seconds}} seconds
{{analysis.task.message}}
Query lasted {{getElapsedTime(analysis)}}
Last executed {{analysis.task.finishedAt-1000 | fromNow}}
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The Sri Ranganathaswamy Temple is a Hindu temple dedicated to Ranganatha, a reclining form of the Lord Vishnu. Constructed in the Dravidian architectural style, the temple is glorified by Alvars in Divya Prabhanda and has unique distinction of being not only the foremost among 108 Divya Desams dedicated to Vishnu, but also the largest functioning Hindu temple in the world.
The inscriptions in the temple belong to Chola, Pandya, Hoysala and Vijaynagar dynasties who ruled over the region. The temple is mentioned in Tamil literature of Sangam era (6th Century BC to 4th Century AD).


/* have to create types of transportation area-mode for the selected destination of locations */ {{ selectedLocation.arrival | uppercase}} Select mode of transportation Inter city buses Stations: {{selectedLocation.inter_bus.stations.length}} Intra city buses Stations: {{selectedLocation.intra_bus.stations.length}} Metro trains Stations: {{selectedLocation.metro.stations.length}}
Stations: {{selectedLocation.inter_bus.stations.length}}
Stations: {{selectedLocation.intra_bus.stations.length}}
Stations: {{selectedLocation.metro.stations.length}}


BLOG
13 Unexpected Benefits of Exercise
Many people hit the gym or pound the pavement to improve cardiovascular health, build muscle, and of course, get a rockin' bod, but working out has above-the-neck benefits, too. For the past decade or so, scientists have pondered how exercising can boost brain function. Regardless of age or fitness level (yup, this includes everyone from mall-walkers to marathoners), studies show that making time for exercise provides some serious mental benefits. Get inspired to exercise by reading up on these unexpected ways that working out can benefit mental health, relationships, and lead to a healthier and happier life overall.
1. Reduce stress
Rough day at the office? Take a walk or head to the gym for a quick workout. One of the most common mental benefits of exercise is stress relief. Working up a sweat can help manage physical and mental stress. Exercise also increases concentrations of norepinephrine, a chemical that can moderate the brain's response to stress. So go ahead and get sweaty - working out can reduce stress and boost the body's ability to deal with existing mental tension. Win-win!
2. Boost happy chemicals
Slogging through a few miles on the 'mill can be tough, but it's worth the effort! Exercise releases endorphins, which create feelings of happiness and euphoria. Studies have shown that exercise can even alleviate symptoms among the clinically depressed . For this reason, docs recommend that people suffering from depression or anxiety (or those who are just feeling blue) pencil in plenty of gym time. In some cases, exercise can be just as effective as antidepressant pills in treating depression. Don't worry if you're not exactly the gym rat type - getting a happy buzz from working out for just 30 minutes a few times a week can instantly boost overall mood.
3. Improve self-confidence
Hop on the treadmill to look (and more importantly, feel) like a million bucks. On a very basic level, physical fitness can boost self-esteem and improve positive self-image. Regardless of body mass, size, gender, or age, exercise can quickly elevate a person's perception of his or her attractiveness, that is, self-worth . How's that for feeling the (self) love?
4. Enjoy the great outdoors.
For an extra boost of self-love, take that workout outside. Exercising in the great outdoors can increase self-esteem even more . Find an outdoor workout that fits your style, whether it's rock-climbing, hiking, renting a canoe, or just taking a jog in the park. Plus, all that Vitamin D acquired from soaking up the sun (while wearing sunscreen, of course!) can lessen the likelihood of experiencing depressive symptoms. Why book a spa day when a little fresh air and sunshine (and exercise) can work wonders for self-confidence and happiness?
5. Prevent cognitive decline
It's unpleasant, but it's true - as we get older, our brains get a little... hazy.  While exercise and a healthy health lifestyle can't "cure" Alzheimer's, they can help shore up the brain against cognitive decline that begins after age 45 . Working out, especially between age 25 and 45, boosts the chemicals in the brain that support and prevent degeneration of the hippocampus, an important part of the brain for memory and learning.
6. Alleviate anxiety
Quick Q&A: Which is better at relieving anxiety - a warm bubble bath or a 20-minute jog? You might be surprised at the answer. The warm and fuzzy chemicals that are released during and after exercise can help people with anxiety disorders calm down. Hopping on the track or treadmill for some moderate-to-high intensity aerobic exercise (intervals, anyone?) can reduce anxiety sensitivity . And we thought intervals were just a good way to burn calories!
7. Boost brainpower
Those buff lab rats might be smarter than we think. Various studies on mice and men have shown that cardiovascular exercise can create new brain cells (aka neurogenesis) and improve overall brain performance . Ready to apply for a Nobel Prize? Studies suggest that a tough workout increases levels of a brain-derived protein (known as BDNF) in the body, believed to help with decision making, higher thinking, and learning. Smarty (spandex) pants, indeed.
8.  Regular physical activity boosts memory and ability to learn new things. Getting sweaty increases production of cells in hippocampus responsible for memory and learning . For this reason, research has linked children's brain development with level of physical fitness (take that, recess haters!). But exercise-based brainpower isn't just for kids. Even if it's not as fun as a game of Red Rover, working out can boost memory among grown-ups, too. A study showed that running sprints improved vocabulary retention among healthy adults .
9. Help control addiction
The brain releases dopamine, the "reward chemical" in response to any form of pleasure, be that exercise, sex, drugs, alcohol, or food. Unfortunately, some people become addicted to dopamine and dependent on the substances that produce it, like drugs or alcohol (and more rarely, food and sex). On the bright side, exercise can help in addiction recovery . Short exercise sessions can also effectively distract drug or alcohol addicts, making them de-prioritize cravings (at least in the short term) . Working out when on the wagon has other benefits, too. Alcohol abuse disrupts many body processes, including circadian rhythms. As a result, alcoholics find they can't fall asleep (or stay asleep) without drinking. Exercise can help reboot the body clock, helping people hit the hay at the right time.
10. Increase relaxation
Ever hit the hay after a long run or body mass session at the gym? For some, a moderate workout can be the equivalent of a sleeping pill, even for people with insomnia . Moving around five to six hours before bedtime raises the body's core temperature. When the body temp drops back to normal a few hours later, it signals the body that it's time to sleep .
11. Get more done
Feeling uninspired in the cubicle? The solution might be just a short walk or jog away. Research shows that workers who take time for exercise on a regular basis are more productive and have more energy than their more sedentary peers . While busy schedules can make it tough to squeeze in a gym session in the middle of the day, some experts believe that midday is the ideal time for a workout due to the body's circadian rhythms.
12. Tap into creativity
Most people end a tough workout with a hot shower, but maybe we should be breaking out the colored pencils instead. A heart-pumping gym session can boost creativity for up to two hours afterwards . Supercharge post-workout inspiration by exercising outdoors and interacting with nature (see benefit #4) . Next time you need a burst of creative thinking, hit the trails for a long walk or run to refresh the body and the brain at the same time.
13. Inspire others
Whether it's a pick-up game of soccer, a group class at the gym, or just a run with a friend, exercise rarely happens in a bubble. And that's good news for all of us. Studies show that most people perform better on aerobic tests when paired up with a workout buddy . Pin it to inspiration or good old-fashioned competition, nobody wants to let the other person down. In fact, being part of a team is so powerful that it can actually raise athletes' tolerances for pain . Even fitness beginners can inspire each other to push harder during a sweat session, so find a workout buddy and get moving!
Working out can have positive effects far beyond the gym (and beach season). Gaining self-confidence, getting out of a funk, and even thinking smarter are some of the motivations to take time for exercise on a regular basis.
Credits to: greatist


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Compare also this similar effort by Shreevatsa Rajagopalan [1 2] on 16,000+ verses of poetry.


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XML is not just a tree, but a tree with pointers. An xs:IDREF points to an element with an xs:ID within the same document. An xs:ID identifies the immediately containing element. Typically this is an xs:ID attribute on the element, though it may also be xs:ID simple content.
In RDF we identify the element content, by assigning it a URI. This URI is the object of the statement representing the element occurrence.