text stringlengths 0 30.5k | title stringclasses 1
value | embeddings listlengths 768 768 |
|---|---|---|
figured out, is to send 1 query that returns something akin to the results of an in(), but returns a duplicate entry id for each token matches for each entry id checked.
Is there a better way to do this than what I'm doing, of using multiple, individual queries running one query per token? If so, what's the easiest wa... | [
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0.14071685075759888,
0.07722384482622147,
-0.3524150252342224,
-0.1231855675578117... | |
so the table might look like this:
```
'see', 1
'spot', 1
'run', 1
'run', 2
'spot', 3
```
you could achive this in one query using 'UNION ALL' in MySQL.
Just loop through the tokens in PHP creating a UNION ALL for each token:
e.g if the tokens are 'x', 'y' and 'z' your query may look something like this
```
S... | [
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0.11191241443157196,
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0.104956097900... | |
WHERE token like "%z%" ORDER BY score ect...
```
The order clause should operate on the entire result set as one, which is what you need.
In terms of performance it won't be all that fast (I'm guessing), however with databases the main overhead in terms of speed is often sending the query to the database engine from... | [
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-0.0265931... | |
Simple one really. In SQL, if I want to search a text field for a couple of characters, I can do:
```
SELECT blah FROM blah WHERE blah LIKE '%text%'
```
The documentation for App Engine makes no mention of how to achieve this, but surely it's a common enough problem?
BigTable, which is the database back end for App ... | [
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This is why you can only do `=`, `>` and `<` queries. (In fact you can also do `!=` but the API does this using a a combination of `>` and `<` queries.) This is also why the development environment monitors all the queries you do and automatically adds any missing indexes to your `index.yaml` file.
There is no way to ... | [
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0.1275616586208... | |
I know you can look at the row.count or tables.count, but are there other ways to tell if a dataset is empty?
I would suggest something like:-
```
bool nonEmptyDataSet = dataSet != null &&
(from DataTable t in dataSet.Tables where t.Rows.Count > 0 select t).Any();
```
**Edits:** I have significantly cleaned u... | [
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dataSet) {
return dataSet == null ||
!(from DataTable t in dataSet.Tables where t.Rows.Count > 0 select t).Any();
}
}
```
Note, as Keith rightly corrected me on in the comments of his post, this method will work even when the data set is null. | [
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What is the most efficient way to determine how many comments a particular blog post has? We want to store the data for a new web app. We have a list of permalink URl's as well as the RSS feeds.
If I understand correctly, you want a heuristic to estimate the number of comments in an HTML page which is known to be a blo... | [
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0.1727733463048935... | |
so if you were able to do some work on a per blog basis, it's probably not really difficult.
If you needed something generic, I guess there are a few common features that comments have that you might be able to detect. For one, any links in them are quite likely to have rel="nofollow" attributes, so seeing that within... | [
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own anchor so people can link directly to it, so you could look at the differing numbers of <a name="XXX"> tags in a given page on the same site to get an idea of the relative numbers of comments.
As Michael Stum pointed out, if the pages have a Comment-RSS feed, your life is made a lot easier because you can get the ... | [
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0.04242141544818878,
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I'm trying to install 'quadrupel', a library that relies on ffmpeg on Solaris x86.
I managed to build ffmpeg and its libraries live in /opt/gnu/lib and the includes are in /opt/gnu/include but when I try to build quadrupel, it can't find the ffmpeg headers.
What flags/configuration is required to include those two di... | [
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can be done using crel.
```
crle -l -c /var/ld/ld.config -l /usr/lib:/usr/local/lib:/opt/gnu/lib
```
For the includes just add -I/opt/gnu/include to your CFLAGS variable. | [
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For general protocol message exchange, which can tolerate some packet loss. How much more efficient is UDP over TCP?
UDP is faster than TCP, and the simple reason is because its non-existent acknowledge packet (ACK) that permits a continuous packet stream, instead of TCP that acknowledges a set of packets, calculated b... | [
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0.171253874897... | |
I'm used to doing all my coding in one C file. However, I'm working on a project large enough that it becomes impractical to do so. I've been #including them together but I've run into cases where I'm #including some files multiple times, etc. I've heard of .h files, but I'm not sure what their function is (or why havi... | [
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0.090626724... | |
tea.c file. Does the compiler "know" that every .h file has a corresponding .c file?
You should regard .h files as **interface files** of your .c file. Every .c file represents a module with a certain amount of functionality. If functions in a .c file are used by other modules (i.e. other .c files) put the function pro... | [
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0.322788566350... | |
.c file (not in any other module), declare its scope static. This means it can only be called from within the c file it is defined in.
Same goes for variables that are used across multiple modules. They should go in the header file and there they have to marked with the keyword 'extern'. Note: For functions the keywo... | [
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0.2807046771049... | |
MyLocalVariable;
unsigned int MyExternVariable;
void MyExternFunction(void)
{
MyLocalVariable = 1u;
/* Do something */
MyLocalFunction();
}
static void MyLocalFunction(void)
{
/* Do something */
MyExternVariable = 2u;
}
```
Module1.h:
``... | [
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0.7599160075187683,
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0.728999674320221,
-0.183461993932724,
0.1255331337451934... | |
__MODULE1.H
extern unsigned int MyExternVariable;
void MyExternFunction(void);
#endif
```
Module2.c
```
#include "Module.1.h"
static void MyLocalFunction(void);
static void MyLocalFunction(void)
{
MyExternVariable = 1u;
MyExternFunction();
}
``` | [
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0.167126178741455... | |
I'm trying to upload an application to the iPhone App Store, but I get this error message from iTunes Connect:
> The binary you uploaded was invalid. The signature was invalid, or it was not signed with an Apple submission certificate.
---
Note: The details of original question have been removed, as this page has tu... | [
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use. I got into the habit of quitting and restarting Xcode after any change to the code signing settings (and doing a clean build) to work around this problem. | [
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0.1324514746665... | |
I'm researching and experimenting more with Groovy and I'm trying to wrap my mind around the pros and cons of implementing things in Groovy that I can't/don't do in Java. Dynamic programming is still just a concept to me since I've been deeply steeped static and strongly typed languages.
Groovy gives me the ability t... | [
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it isn't necessarily a Groovy question so I welcome answers from every code camp.
Next, which is better: EMACS or vi? This is one of the running religious wars.
Think of it this way: any program that is *correct*, will be correct if the language is statically typed. What static typing does is let the compiler have eno... | [
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0.11744485795497... | |
building a really big program, like an operating system or a telephone switch, with dozens or hundreds or thousands of people working on it, or with really high reliability requirements, then having he compiler be able to detect a large class of problems for you without needing a test case to exercise just the right co... | [
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that is appropriate on a `bar*` when the address is really pointing to a `foo*`. But as a result of the issues with large programs, C grew tools like lint(1), strengthened its type system with `typedef` and eventually developed a strongly typed variant in C++. (And, of course, C++ in turn developed ways around the stro... | [
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meet the customers' needs while maintaining a humane environment for the programmers? It can be done with dynamically typed languages, and often is, because they can be more productive (eg, Ruby, Smalltalk), but it can be done, has been done successfully, in C and even assembler. In fact, [Rally Development](http://www... | [
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More out of interest than anything else, but can you compile a DirectX app under linux?
Obviously there's no official SDK, but I was thinking it might be possible with wine.
Presumably wine has an implementation of the DirectX interface in order to run games? Is it possible to link against that? (edit: This is called... | [
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... | |
this (wine-dev package on Ubuntu). Thanks to [alastair](https://stackoverflow.com/users/9554/alastair) for pointing me to winelib.
I modified the source slightly to convert the wchars to chars (1 on line 52, 2 on line 55, by removing the L before the string literals). There may be a way around this, but this got it up... | [
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0.048347257077... | |
Is there a risk of legal trouble if you include GPL or LGPL licensed icons in a closed source software?
Would it force it to become open source just to include the icon?
Does it matter if the icon is compiled as a resource?
Are the creative common licensed icons safe to use if you follow the attribution rules speci... | [
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0.069243513047... | |
as you are not using GPL Code to access it. But any attempt to embed it will force your program to GPL, it's one of the most restrictive licenses out there)
LGPL is fine: Any modification to LGPL Content has to be released under LGPL, but using the Code/Content is safe.
Addition: Like LGPL, CreativeCommons usually on... | [
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0.1873237490653991... | |
What are the performance, security, or "other" implications of using the following form to declare a new class instance in PHP
```
<?php
$class_name = 'SomeClassName';
$object = new $class_name;
?>
```
This is a contrived example, but I've seen this form used in Factories (OOP) to avoid having a big if/switch st... | [
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0.31765660643577576,
-0.36413562297821045,
0.24567732214... | |
"Rank PHP Hackery" can someone use to research this?
One of the issues with the resolving at run time is that you make it really hard for the opcode caches (like APC). Still, for now, doing something like you describe in your question is a valid way if you need a certain amount of indirection when instanciating stuff.
... | [
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0.12233923375606537,
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0.1252052038908... | |
will).
Also, be sure that $classname can never be set from the outside - you'd want to have some control over what exact class you will be instantiating. | [
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0.13817085325717926,
-0.02088443748652935,
-0.8912838101387024,
-0.2832373082637787,
0.7169024348258972,
-0.1534549444913864,
0.1100395396351814... | |
I'm working on a project with a friend that will utilize Hbase to store it's data. Are there any good query examples? I seem to be writing a ton of Java code to iterate through lists of RowResult's when, in SQL land, I could write a simple query. Am I missing something? Or is Hbase missing something?
I think you, like ... | [
0.19839143753051758,
0.155856192111969,
-0.09028054028749466,
0.11328095197677612,
-0.11579333990812302,
-0.4210137128829956,
-0.08964002877473831,
0.14857983589172363,
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-0.5017775297164917,
0.2876795828342438,
0.2538837194442749,
-0.2280954271554947,
0.3053953349590301... | |
within a single row, for example. Your queries should return very few rows but contain (potentially) many datapoints.
Perhaps if you told us more about what you were trying to store, we could help you design your schema to match the bigtable/HBase way of doing things.
For a good rundown of what HBase does differently... | [
0.5311682820320129,
0.16644272208213806,
-0.4020506739616394,
0.0987306535243988,
-0.15037941932678223,
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0.1649826318025589,
-0.30917608737945557,
-0.012521655298769474,
-0.4277799725532532,
-0.19800224900245667,
0.341024786233902,
-0.26187995076179504,
-0.236587211489... | |
Simply, are there any Java Developer specific Linux distros?
A real Sun geek would chime in here about the virtues of using Solaris as a Java development platform, but I am much more ambivalent. Developing with Java is about the same on any linux distro; you are going to wind up having to install the JDK and tools of y... | [
0.34908735752105713,
0.21170569956302643,
-0.19242025911808014,
0.15555688738822937,
-0.18719421327114105,
-0.23478811979293823,
-0.03074922040104866,
0.2024013102054596,
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-0.5328253507614136,
-0.22842469811439514,
0.7946426272392273,
-0.24853633344173431,
-0.191571503... | |
big factors.
So, to answer your question more directly, a Java developer would do well with any major linux distro that they are comfortable with using in general. If you want some Java goodness out of the box, Fedora 9 and Ubuntu 8.04 have OpenJDK (and NetBeans) according to [a recent announcement](http://www.vnunet.... | [
0.20041890442371368,
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0.04009665921330452,
-0.11172273755073547,
-0.21141664683818817,
-0.2342349886894226,
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0.21198613941669464,
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-0.5052968263626099,
-0.05486192926764488,
0.6148894429206848,
-0.2368451952934265,
0.02242783643... | |
Is there any way to get the ID of the element that fires an event?
I'm thinking something like:
```js
$(document).ready(function() {
$("a").click(function() {
var test = caller.id;
alert(test.val());
});
});
```
```html
<script type="text/javascript" src="starterkit/jquery.js"></script>
<form clas... | [
0.30448827147483826,
-0.09231636673212051,
0.006210867781192064,
-0.050468217581510544,
0.0027706024702638388,
-0.22259660065174103,
-0.03375349938869476,
-0.38089555501937866,
-0.15734155476093292,
-0.15971969068050385,
-0.3099338710308075,
0.6252999901771545,
-0.26980286836624146,
-0.221... | |
$("a").click(function(event) {
alert(event.target.id);
});
});
```
Note also that `this` will also work, but that it is not a jQuery object, so if you wish to use a jQuery function on it then you must refer to it as `$(this)`, e.g.:
```
$(document).ready(function() {
$("a").click(function(event) {
... | [
0.3378904461860657,
-0.13489709794521332,
0.2509906589984894,
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0.3091488480567932,
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0.2602495849132538,
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-0.1346084177494049,
-0.30442214012145996,
-0.5365318655967712,
0.8003004193305969,
-0.5633383393287659,
-0.015302383340895... | |
I know PHP scripts don't actually compile until they are run. However, say I want to create a small simple program and compile it to a binary without requiring the PHP binary. How could I do this?
I've seen a few IDE's out there that would do this, but either they are all for windows or the Linux versions don't actual... | [
0.7948818206787109,
0.25049176812171936,
-0.20103660225868225,
0.267285019159317,
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0.08209174871444702,
0.23548094928264618,
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0.3650239109992981,
0.4276053309440613,
-0.12948372960090637,
-0.09533161669969559,
... | |
se, but just run it via the command line. [Read running PHP via the command line.](http://www.php.net/features.commandline) | [
0.48209744691848755,
0.014158504083752632,
0.11152797192335129,
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0.07410386204719543,
-0.11524334549... | |
I'm planning on creating a social networking + MP3 lecture downloading / browsing / commenting / discovery website using Ruby on Rails. Partially for fun and also as a means to learn some Ruby on Rails. I'm looking for a social networking framework that I can use as a basis for my site. I don't want to re-invent the wh... | [
0.8355113863945007,
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-0.023448562249541283,
0.2626376152038574,
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0.10139751434326172,
0.2289934903383255,
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-0.5741024017333984,
0.19958685338497162,
0.6474398970603943,
0.16380169987678528,
-0.043375458568... | |
best way to learn, far better than hacking through someone else's code. If you do that, sometimes you'll be learning Rails, but sometimes you'll just be learning that specific social network framework. And **you won't know which is which...**
The type of site you're suggesting sounds perfect for a Rails project. If yo... | [
0.5331937670707703,
-0.2547443211078644,
-0.06090656295418739,
0.5724120140075684,
0.01869743876159191,
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0.367616206407547,
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0.0923997312784195,
0.6077307462692261,
0.19639255106449127,
0.006204371806234121,... | |
you'll have to do less to do get running. I suggest trying to install them both, and introducing yourself in the Google Groups. That'll give you a good indication of wether you're going to get along. | [
0.5316940546035767,
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0.26591598987579346,
0.24557720124721527,
0.09662646055221558,
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0.19270752370357513,
0.5753096342086792,
0.16187125444412231,
-0.319064676761... | |
I'm a beginner at rails programming, attempting to show many images on a page. Some images are to lay on top of others. To make it simple, say I want a blue square, with a red square in the upper right corner of the blue square (but not tight in the corner). I am trying to avoid compositing (with ImageMagick and simila... | [
0.35946643352508545,
0.25602394342422485,
0.2315148264169693,
0.2520040273666382,
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0.1578514277935028,
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-0.710776150226593,
0.23536966741085052,
0.2278515100479126,
-0.14397598803043365,
0.03038135915994644... | |
or do it all on the fly, where all that is needed is to place the six images on top of the other one.
Ok, after some time, here's what I landed on:
```css
.parent {
position: relative;
top: 0;
left: 0;
}
.image1 {
position: relative;
top: 0;
left: 0;
border: 1px red solid;
}
.image2 {
position: absolut... | [
0.14372017979621887,
-0.41743654012680054,
0.5971091389656067,
0.05214584991335869,
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0.12060826271772385,
0.053093720227479935,
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-0.25508785247802734,
0.2797428369522095,
-0.36178672313690186,
-0.229977458... | |
place the base image first as relative so that the div knows how big it should be; place the overlays as absolutes relative to the upper left of the first image. The trick is to get the relatives and absolutes correct. | [
-0.22224102914333344,
-0.17349454760551453,
0.6526529788970947,
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0.18330399692058563,
-0.6166898012161255,
-0.21712076663970947,
0.8888797760009766,
0.02440068870782852,
-0.10986735671... | |
I'm looking for a desktop/embedded database. The two candidates I'm looking at are
Microsoft SQL Server CE and Oracle Lite. If anyone's used both of these products, it'd be great if you could compare them. I haven't been able to find any comparisons online.
The backend DB is Oracle10g.
**Update:** Clarification, the ... | [
0.35582512617111206,
0.3498076796531677,
0.31176796555519104,
0.03785395994782448,
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-0.008928921073675156,
0.44610297679901123,
-0.08867358416318893,
0.4354086518287... | |
the same project.
BTW, In my product I use SQLite as the desktop database | [
0.3136427104473114,
0.3490407168865204,
0.21010354161262512,
-0.023220930248498917,
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0.0330805666744709,
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-0.5028857588768005,
0.21370245516300201,
0.44892531633377075,
-0.07243482768535614,
0.314131438732... | |
I have a Linux web server farm with about 5 web servers, web traffic is about 20Mbps.
We currently have a Barracuda 340 Load Balancer (keep away from this device - piece of crap!) that is acting as a firewall. I want to put in a dedicated firewall and I'd like to know what peoples opinions are on building versus buyin... | [
0.39259687066078186,
0.2288026511669159,
0.69973224401474,
-0.01818172074854374,
0.14864683151245117,
0.2156471461057663,
0.2940169870853424,
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0.07694590091705322,
0.7480886578559875,
-0.047842252999544144,
0.0237927883863449... | |
know what level traffic the system can handle.
As they say - "there are more than one way to skin a cat":
Build it yourself, running something like Linux or \*BSD. The benefit of this, is that it makes it easy to do the dynamic part of your question, it's just a matter of a few well-placed shell/python/perl/whatever s... | [
0.43293502926826477,
-0.12439675629138947,
0.5708851218223572,
0.3473340570926666,
0.093182772397995,
-0.33224257826805115,
0.45291486382484436,
0.17463278770446777,
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-0.15038098394870758,
0.752077579498291,
-0.17918923497200012,
-0.14768177270889282... | |
This may be high enough to where it won't be a problem for you.
Buy a dedicated "firewall device" - Possible drawbacks of doing this, is that doing the "dynamic" part of what you're trying to accomplish is somewhat more difficult - depending on the device, this could be easy (Net::Telnet/Net::SSH come to mind), or not... | [
0.4427807331085205,
-0.2363392859697342,
0.5545673966407776,
0.5634838342666626,
-0.09468291699886322,
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0.39919257164001465,
-0.10568634420633316,
-0.45058467984199524,
-0.8311958909034729,
-0.12682867050170898,
0.5757912993431091,
-0.24279585480690002,
-0.144875332713... | |
point, you might as well roll your own.
I guess you could read this more as a "pro's and con's" of doing either, if you want.
FWIW, we run dual FreeBSD firewalls at my place of employment, and regularly push 40+Mbit/sec with no noticeable load/issues. | [
0.7420066595077515,
0.3913321793079376,
0.3740898370742798,
-0.030433474108576775,
0.14358988404273987,
0.046495471149683,
0.367216557264328,
0.7509035468101501,
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0.24058030545711517,
0.4526440501213074,
0.2630558907985687,
-0.04893965274095535,
... | |
Does anyone know of a similar product to Citrix Server that'll run on the Mac OS?
Essentially, I'm looking to allow multiple remote users to log in to the same OSX Server at the same time (with full visual desktop, not SSH).
Anyone have experience with [Aqua Connect](http://www.aquaconnect.net/?page_id=26)? Found them... | [
0.6313791871070862,
-0.268499493598938,
0.3182846009731293,
0.014627343975007534,
-0.10624510794878006,
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0.19009193778038025,
0.26083409786224365,
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-0.7448225021362305,
0.1763349175453186,
0.5473208427429199,
-0.13356031477451324,
0.142292812466621... | |
I've been looking into different web statistics programs for my site, and one promising one is [Visitors](http://www.hping.org/visitors/). Unfortunately, it's a C program and I don't know how to call it from the web server. I've tried using PHP's [shell\_exec](http://us.php.net/manual/en/function.shell-exec.php), but m... | [
0.12855646014213562,
-0.03513050824403763,
0.4539697766304016,
0.061281658709049225,
0.07645934820175171,
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0.05630667880177498,
0.21320919692516327,
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-0.5595031976699829,
0.14926326274871826,
0.4152074158191681,
-0.16238395869731903,
0.25765582919120... | |
text/html\n\n"
exec visitors -A /home/logs/access_log
``` | [
-0.014978240244090557,
0.5654318332672119,
0.5923070311546326,
-0.08615386486053467,
0.2499297857284546,
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0.11690368503332138,
0.539198637008667,
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-0.7207545042037964,
-0.7988048791885376,
0.22805605828762054,
-0.25975731015205383,
0.17941513657569... | |
I am trying to publish an Asp.net MVC web application locally using the NAnt and MSBuild. This is what I am using for my NAnt target;
```
<target name="publish-artifacts-to-build">
<msbuild project="my-solution.sln" target="Publish">
<property name="Configuration" value="debug" />
<property name="OutDi... | [
0.26318252086639404,
0.18318717181682587,
0.44868263602256775,
-0.185286745429039,
-0.22758547961711884,
-0.03236432746052742,
0.20229658484458923,
-0.06950084120035172,
-0.22804555296897888,
-0.7538326978683472,
-0.20065118372440338,
0.4553392231464386,
-0.36306032538414,
0.39266657829284... | |
are trying to invoke is for "OneClick" deployment, not for publishing a website... This is why you are getting the seemingly bizarre message.
You would want to use the AspNetCompiler task, rather than the MSBuild task. See <http://msdn2.microsoft.com/en-us/library/ms164291.aspx> for more info on this task. Your "Publi... | [
0.4066242277622223,
-0.22035366296768188,
0.2957704961299896,
0.03481762483716011,
-0.09228984266519547,
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0.43317142128944397,
-0.07315517216920853,
-0.12307631969451904,
-0.7334554195404053,
-0.3150515556335449,
0.1820097416639328,
-0.9615941047668457,
-0.072429485619... | |
I have a windows service that runs various system monitoring operations. However, when running `SNMP` related checks, I always get a `NullReference exception`.
The code runs fine when run through the user interface (under my username and password), but always errors running as the service.
I've tried running the se... | [
0.43712013959884644,
0.21075491607189178,
0.11525508016347885,
-0.015679791569709778,
0.060309797525405884,
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0.4230205714702606,
0.2235664576292038,
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-0.7435769438743591,
0.0354309156537056,
0.5682184100151062,
-0.1818229854106903,
0.30080446600914,... | |
Windows events log?
* I believe you should be able to listen to some kind of global-exception event like Application\_Exception in windows services. I can't remember the exact name but you can atelast dump stack trace from there.
* You should be able to start debugging the project in service mode.
Some code snippets/s... | [
0.3476995825767517,
0.01670016534626484,
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0.25072595477104187,
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0.46845653653144836,
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-0.6804988384246826,
-0.11255960911512375,
0.48630833625793457,
0.02899639494717121,
0.110622271895... | |
Almost every Java book I read talks about using the interface as a way to share state and behaviour between objects that when first "constructed" did not seem to share a relationship.
However, whenever I see architects design an application, the first thing they do is start programming to an interface. How come? How ... | [
0.22139222919940948,
0.13994166254997253,
0.01546565257012844,
0.1360308676958084,
-0.14236930012702942,
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-0.7933266162872314,
0.059939198195934296,
0.5393745303153992,
-0.3757280111312866,
0.2084926962852... | |
has a `start()` method, future classes that implement the interface, be they `MotorizedWheelChair`, `Automobile`, or `SmoothieMaker`, in implementing the methods of that interface, add flexibility to your system, because one piece of code can start the motor of many different types of things, because all that one piece... | [
0.11131487786769867,
-0.3189331591129303,
0.06931790709495544,
0.5596218109130859,
-0.17040497064590454,
-0.10726553946733475,
-0.1538853645324707,
-0.02480628527700901,
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-0.6828678846359253,
-0.10494393855333328,
0.4614008665084839,
0.051861945539712906,
-0.1058938503... | |
I came across [this article](http://www.ddj.com/cpp/184403758) written by Andrei Alexandrescu and Petru Marginean many years ago, which presents and discusses a utility class called ScopeGuard for writing exception-safe code. I'd like to know if coding with these objects truly leads to better code or if it obfuscates e... | [
0.6082608699798584,
0.4923575818538666,
-0.5002469420433044,
-0.013100665993988514,
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0.14135919511318207,
-0.034696534276008606,
-0.5462390184402466,
0.10877030342817307,
-0.3073465824127197,
0.01674148254096508,
0.2569107115268707,
-0.44596555829048157,
-0.01640794239... | |
RAII is an established idiom. Resource handling in C++ *is* done by resource acquisition and garbage collection is done by implicit destructor calls.
On the other hand, explicit `catch` blocks would bloat the code and introduce subtle errors because the code flow gets much more complex and resource handling has to be ... | [
0.6120632886886597,
-0.0819501131772995,
-0.18824709951877594,
-0.12415987998247147,
-0.4411157965660095,
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0.20396509766578674,
-0.5421207547187805,
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-0.2998129725456238,
-0.4585658013820648,
0.49406662583351135,
-0.5855938196182251,
-0.20771674811... | |
I've seen lots of descriptions how anonymous types work, but I'm not sure how they're really useful. What are some scenarios that anonymous types can be used to address in a well-designed program?
Anonymous types have nothing to do with the design of systems or even at the class level. They're a tool for developers to ... | [
0.7948371767997742,
0.17326140403747559,
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0.35257625579833984,
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0.350784033536911,
0.492876797914505,
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-0.5370082855224609,
0.09027953445911407,
0.1949417144060135,
-0.6442113518714905,
0.1358550488948822,... | |
type that will never be used or known outside of the scope of my method.
For instance:
```
var query = from item in database.Items
// ...
select new { Id = item.Id, Name = item.Name };
return query.ToDictionary(item => item.Id, item => item.Name);
```
Nobody cares about `a, the anonymous ty... | [
0.07425928115844727,
-0.11814864724874496,
0.4826035797595978,
-0.23467370867729187,
0.033058132976293564,
-0.24856878817081451,
0.3729667663574219,
-0.08403070271015167,
0.06883327662944794,
-0.5542916059494019,
0.036373745650053024,
0.4110070765018463,
-0.5367806553840637,
0.532358646392... | |
Say I have a `Textbox` nested within a `TabControl`.
When the form loads, I would like to focus on that `Textbox` (by default the focus is set to the `TabControl`).
Simply calling `textbox1.focus()` in the `Load` event of the form does not appear to work.
I have been able to focus it by doing the following:
```
... | [
-0.040662363171577454,
-0.10099957883358002,
0.6267333030700684,
-0.24755261838436127,
-0.17157495021820068,
-0.14394164085388184,
0.12305383384227753,
-0.274508535861969,
-0.10585717856884003,
-0.7696539759635925,
-0.19624961912631989,
0.5472012162208557,
-0.3071971833705902,
0.0381249338... | |
way to do this?
The following is the solution:
```
private void frmMainLoad(object sender, EventArgs e)
{
ActiveControl = textBox1;
}
```
The better question would however be why... I'm not entirely sure what the answer to that one is.
Edit: I suspect it is something to do with the fact that both the form, and ... | [
0.031532350927591324,
-0.08591531962156296,
0.32354164123535156,
-0.03451651707291603,
-0.04587444290518761,
-0.3344586193561554,
0.41825148463249207,
-0.02113456092774868,
-0.18889793753623962,
-0.5330649614334106,
-0.17877043783664703,
0.5109553933143616,
-0.5086277723312378,
0.202932044... | |
I am creating a windows service and want to know best practices for this. In all my windows Program I have a form that asks the user if he wants to report the error and if he answers yes I created a case in FogBugz. What should I do in a windows service.
You could also have a system tray representation of the service w... | [
0.48756644129753113,
0.34480980038642883,
0.24339568614959717,
-0.10853709280490875,
-0.010859108529984951,
0.007396168075501919,
0.3104131519794464,
0.22890585660934448,
-0.2061845064163208,
-0.625888466835022,
0.30805808305740356,
0.5411815047264099,
-0.2611734867095947,
0.21327500045299... | |
you are sending 'out' data from their computer. | [
0.48975348472595215,
0.07596446573734283,
-0.19725987315177917,
0.2959907352924347,
0.10823462158441544,
-0.10970016568899155,
-0.01443990133702755,
0.22005458176136017,
-0.31806501746177673,
-0.37713685631752014,
-0.22186420857906342,
0.23906494677066803,
-0.26053586602211,
0.066098093986... | |
I have never "hand-coded" object creation code for SQL Server and foreign key decleration is seemingly different between SQL Server and Postgres. Here is my sql so far:
```
drop table exams;
drop table question_bank;
drop table anwser_bank;
create table exams
(
exam_id uniqueidentifier primary key,
exam_name ... | [
0.13846664130687714,
0.2904869616031647,
0.31482017040252686,
-0.14672227203845978,
0.006993840914219618,
-0.037603747099637985,
0.2026204615831375,
-0.09372080117464066,
-0.060154203325510025,
-0.6986778974533081,
0.04311707988381386,
0.1900450438261032,
0.09269551187753677,
0.47038409113... | |
uniqueidentifier primary key,
anwser_question_id uniqueidentifier,
anwser_text varchar(1024),
anwser_is_correct bit
);
```
When I run the query I get this error:
> Msg 8139, Level 16, State 0, Line 9
> Number of referencing columns in
> foreign key differs from number of
> referenced column... | [
-0.33209240436553955,
0.34307539463043213,
0.36198198795318604,
0.28295662999153137,
0.07385748624801636,
0.15503279864788055,
0.025860348716378212,
-0.3650597929954529,
-0.23469457030296326,
-0.39386793971061707,
0.04383845999836922,
0.09311952441930771,
-0.08242662250995636,
0.3054542541... | |
constraint fk_questionbank_exams foreign key (question_exam_id) references exams (exam_id)
);
``` | [
-0.25246837735176086,
0.24550795555114746,
0.4999402165412903,
0.21255534887313843,
0.23706799745559692,
0.023876076564192772,
0.1374681293964386,
-0.12276576459407806,
-0.4742335081100464,
-0.19343338906764984,
-0.4118320047855377,
0.20245513319969177,
-0.3996739983558655,
0.4032299518585... | |
I've created a custom exception for a very specific problem that can go wrong. I receive data from another system, and I raise the exception if it bombs while trying to parse that data. In my custom exception, I added a field called "ResponseData", so I can track exactly what my code couldn't handle.
In custom excepti... | [
0.37090277671813965,
-0.09611442685127258,
-0.07133213430643082,
0.09613820165395737,
-0.16488181054592133,
0.008159486576914787,
0.197362020611763,
-0.3461582362651825,
-0.3422810435295105,
-0.2625742554664612,
-0.0437999963760376,
0.3766650855541229,
-0.4962358772754669,
-0.1787713021039... | |
is either:
- How can I get Elmah to record extra information from a field in a custom exception
OR
- Should extra exception details go into the "message" property?
You shouldn't fill `.Message` with debug information, but rather with a concise, helpful piece of text.
<http://msdn.microsoft.com/en-us/library/system.exc... | [
-0.07584047317504883,
0.27701711654663086,
0.03934502974152565,
0.13595566153526306,
0.04106716066598892,
-0.11486265063285828,
0.2920437455177307,
-0.38074374198913574,
-0.11764080822467804,
-0.39091068506240845,
-0.41021639108657837,
0.33187150955200195,
-0.39757442474365234,
0.109697222... | |
supplies a default message that is formatted using the current system culture.
>
>
> [..]
>
>
> Notes to Inheritors:
>
>
> The Message property is overridden in classes that require control over message content or format. Application code typically accesses this property when it needs to display information about... | [
0.06327701359987259,
0.1398531049489975,
0.051735322922468185,
0.06939306110143661,
0.012200785800814629,
-0.2744479179382324,
0.3615460991859436,
-0.1858075112104416,
-0.1399494707584381,
-0.7101528644561768,
-0.26380443572998047,
0.3804604709148407,
-0.4760865271091461,
0.191078186035156... | |
you subclass it yourself? | [
0.4505308270454407,
0.25375717878341675,
-0.305706262588501,
0.039486080408096313,
-0.14885030686855316,
-0.11495915055274963,
0.14212778210639954,
-0.17063109576702118,
-0.2444351315498352,
-0.05106164515018463,
0.12600719928741455,
0.1559084802865982,
-0.16324551403522491,
0.070502765476... | |
Does anybody know of a way to list up the "loaded plugins" in **Vim**?
I know I should be keeping track of this kind of stuff myself but
it would always be nice to be able to check the current status.
Not a VIM user myself, so forgive me if this is totally offbase. But according to what I gather from the following [VIM... | [
0.6472105979919434,
0.12335718423128128,
0.18118348717689514,
0.1316467970609665,
-0.20045122504234314,
-0.24975088238716125,
0.3173401951789856,
0.22995305061340332,
-0.5186646580696106,
-0.3010915219783783,
-0.14037415385246277,
0.6389578580856323,
-0.04184578359127045,
0.174583807587623... | |
and where set
:function : list functions
:func SearchCompl : List particular function
``` | [
-0.3909876048564911,
-0.007422175258398056,
0.24193218350410461,
-0.0895654633641243,
-0.05919995903968811,
-0.04847782105207443,
-0.33074960112571716,
-0.030187467113137245,
-0.35844066739082336,
-0.5485370755195618,
-0.4329705536365509,
0.4062970280647278,
-0.3976820707321167,
0.05202645... | |
I'm building an application in C# using WPF. How can I bind to some keys?
Also, how can I bind to the [Windows key](http://en.wikipedia.org/wiki/Windows_key)?
I'm not sure of what you mean by "global" here, but here it goes (I'm assuming you mean a command at the application level, for example, *Save All* that can be ... | [
0.31054815649986267,
-0.11828764528036118,
0.5148577094078064,
0.14549875259399414,
0.11306942254304886,
-0.21403633058071136,
0.11568658798933029,
0.01554788276553154,
-0.08903882652521133,
-0.79364413022995,
-0.2233307957649231,
0.34476932883262634,
-0.24511437118053436,
0.30987119674682... | |
all the way up to the root of the control tree.
Now, first you need
1. to bind the Key-Combo with a Command using an `InputBinding` like this
2. you can then hookup the command to your handler (e.g. code that gets called by `SaveAll`) via a `CommandBinding`.
For the `Windows` Key, you use the right [Key](http://msdn... | [
-0.22035664319992065,
-0.34198349714279175,
0.4961550235748291,
-0.009203355759382248,
0.08582578599452972,
0.09243471175432205,
0.12149330228567123,
-0.4898544251918793,
-0.1278190314769745,
-0.690301775932312,
-0.31544607877731323,
0.5049808621406555,
-0.42036309838294983,
0.015642737969... | |
var cb = new CommandBinding( MyAppCommands.SaveAll);
cb.Executed += new ExecutedRoutedEventHandler( HandlerThatSavesEverthing );
this.CommandBindings.Add (cb );
}
private void HandlerThatSavesEverthing (object obSender, ExecutedRoutedEventArgs e)
{
// Do the Save All thing here.
}
``` | [
0.4364480674266815,
0.19957128167152405,
-0.015154016204178333,
-0.35896483063697815,
0.20095384120941162,
0.1572338193655014,
0.46055057644844055,
-0.4278923571109772,
-0.36635348200798035,
-0.3463064432144165,
0.02631654217839241,
0.37050724029541016,
-0.5563689470291138,
0.3821628391742... | |
I'm working on a command line application for Solaris, written in Java6. I'd like to be able to scroll through a history of previous commands using the up and down arrows like many Unix tools allow (shells, VIM command mode prompt, etc).
Is there any standard way of achieving this, or do I have to roll my own?
Yes, us... | [
0.7114290595054626,
0.030117252841591835,
0.354536235332489,
-0.11349733918905258,
-0.05794805660843849,
-0.04729444161057472,
-0.19911031424999237,
-0.00893595814704895,
-0.1759234219789505,
-0.49654096364974976,
-0.0347457192838192,
0.9578219652175903,
-0.030019117519259453,
-0.120208486... | |
Actionscript 3.0 (and I assume Javascript and ECMAScript in general) lacks pass-by-reference for native types like ints. As a result I'm finding getting values back from a function really clunky. What's the normal pattern to work around this?
For example, is there a clean way to implement *swap( intA, intB )* in Acti... | [
-0.27788180112838745,
-0.12422975152730942,
0.22937366366386414,
-0.2528887391090393,
-0.22010600566864014,
0.0333036407828331,
0.4521807134151459,
-0.32186418771743774,
0.028397640213370323,
-0.39192044734954834,
-0.1983889490365982,
0.4598780572414398,
-0.700733482837677,
-0.233516588807... | |
properties a and b");
var tempValue:int = aValuesContainer["a"];
aValuesContainer["a"] = aValuesContainer["b"];
aValuesContainer["b"] = tempValue;
}
var ints:Object = {a:13, b:25};
swapAB(ints);
``` | [
-0.08177074044942856,
-0.10578671097755432,
0.30399274826049805,
-0.2692050635814667,
0.07288568466901779,
0.2677130103111267,
0.39737561345100403,
-0.5687958002090454,
0.13811790943145752,
-0.4533193111419678,
-0.4226931631565094,
1.0034151077270508,
-0.4483455717563629,
0.224227532744407... | |
I'm looking for the basic loop like:
```
for(int i = 0; i < MAX; i++) {
doSomething(i);
}
```
but for Bash.
From [this site](http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO-7.html):
```
for i in $(seq 1 10);
do
echo $i
done
``` | [
0.31420525908470154,
0.14988505840301514,
0.11561866849660873,
-0.5777286887168884,
0.083271823823452,
-0.16288292407989502,
0.520490825176239,
-0.5122718811035156,
-0.2483281046152115,
-0.32896149158477783,
0.007994186133146286,
0.6087730526924133,
-0.39101898670196533,
-0.034621469676494... | |
I've used several modules to make EXEs for Python, but I'm not sure if I'm doing it right.
How should I go about this, and why? Please base your answers on personal experience, and provide references where necessary.
[Auto PY to EXE](https://pypi.org/project/auto-py-to-exe/) - A .py to .exe converter using a simple gr... | [
0.2700403034687042,
-0.1598002016544342,
0.35281187295913696,
0.005295790731906891,
-0.12213481217622757,
0.18061767518520355,
0.02886175736784935,
-0.011577844619750977,
-0.024299871176481247,
-0.5779095888137817,
-0.29648149013519287,
0.5441922545433044,
-0.45441845059394836,
-0.41269743... | |
I've got quite a few GreaseMonkey scripts that I wrote at my work which automatically log me into the internal sites we have here. I've managed to write a script for nearly each one of these sites except for our time sheet application, which uses HTTP authentication.
Is there a way I can use GreaseMonkey to log me in... | [
0.9837014675140381,
0.4266282618045807,
0.1265893429517746,
-0.14250308275222778,
0.07466138899326324,
-0.03017563559114933,
0.40891605615615845,
0.3544427752494812,
-0.21941810846328735,
-0.7142137885093689,
0.2769577205181122,
0.3452169895172119,
0.012412558309733868,
-0.3164316713809967... | |
login page. This removes the step of having to load up the site, entering the login page, entering my credentials, then hitting submit
It is possible to log in using HTTP authentication by setting the "Authorization" HTTP header, with the value of this header set to the string "basic username:password", but with the "u... | [
0.6497164368629456,
0.1861555129289627,
0.43723586201667786,
-0.032669469714164734,
0.2133941948413849,
-0.3374403417110443,
0.176552876830101,
-0.2925550937652588,
-0.24852354824543,
-0.48683780431747437,
0.25601327419281006,
0.5040609240531921,
-0.014393274672329426,
-0.18692544102668762... | |
strings into base64 I get the following
<http://www.webtoolkit.info/javascript-base64.html>
```
var loggedInText = document.getElementById('metanav').firstChild.firstChild.innerHTML;
if (loggedInText != "logged in as jklp") {
var username = 'jklp';
var password = 'jklpPass';
var base64string = Base64.enco... | [
-0.07840767502784729,
0.03992613032460213,
0.536202073097229,
-0.36540937423706055,
0.09262329339981079,
0.11074679344892502,
0.25160732865333557,
-0.38729339838027954,
-0.27048733830451965,
-0.34357184171676636,
-0.4338993728160858,
0.3097824454307556,
-0.35530513525009155,
0.059409908950... | |
'application/atom+xml,application/xml,text/xml',
'Authorization':'Basic ' + base64string,
}
});
}
```
So when I now visit the site, it traverses the DOM and if I'm not logged in, it automagically logs me in. | [
0.052391167730093,
0.04084216430783272,
0.8728621006011963,
-0.32182037830352783,
0.2585872709751129,
-0.3623475134372711,
0.2673586308956146,
-0.08168541640043259,
0.019410263746976852,
-0.6772186756134033,
-0.3980054557323456,
0.6454969048500061,
-0.1489933878183365,
0.2974373400211334,
... | |
The first language I learnt was PHP, but I have more recently picked up Python. As these are all 'high-level' languages, I have found them a bit difficult to pick up. I also tried to learn Objective-C but I gave up.
So, what language should I learn to bridge between Python to C
It's not clear why you need a bridge lan... | [
0.11471667885780334,
0.22240924835205078,
0.010200024582445621,
0.173619344830513,
-0.3357546627521515,
-0.001036417786963284,
-0.0680960863828659,
0.3366469442844391,
-0.31430745124816895,
-0.6410343050956726,
0.5444085001945496,
0.6063539385795593,
-0.4210919439792633,
-0.439211785793304... | |
so you will need to learn how to implement data structures and algorithms without OOP goodness. Actually, your question is pretty hard, usually people go from low level langs to high level and I can understand frustration of those who goes in other direction. | [
0.49593690037727356,
-0.06859301775693893,
-0.035020697861909866,
0.3475821018218994,
0.10642103105783463,
-0.06714332848787308,
-0.03711463510990143,
0.07072970271110535,
-0.2185949981212616,
-0.43760767579078674,
-0.07747623324394226,
0.5108475089073181,
0.14018945395946503,
0.0552547685... | |
I have an existing application that is written in C++ for Windows. This application uses the Win32 CryptoAPI to generate a TripleDES session key for encrypting/decrypting data. We're using the [exponent of one trick](http://www.phdcc.com/cryptorc4.htm) to export the session key out as a blob, which allows the blob to b... | [
0.3133484125137329,
0.3094334900379181,
0.37905290722846985,
0.05162874236702919,
0.03991873934864998,
-0.10539130121469498,
0.2527499794960022,
-0.3834740221500397,
-0.10716850310564041,
-0.25263142585754395,
-0.018485568463802338,
0.15427586436271667,
-0.21308518946170807,
0.314531892538... | |
of 56 bits). However, the .NET framework states their keys are 192 bits (3 keys of 64 bits). Apparently, the 3 extra bytes in the .NET framework is for parity?
Anyway, we need to read the key portion out of the blob and somehow be able to use that in our .NET application. Currently we are not getting the expected resu... | [
0.43890610337257385,
0.23871763050556183,
0.5677570104598999,
0.3215201795101166,
0.20495036244392395,
0.03148912265896797,
0.45920807123184204,
-0.03354187309741974,
-0.17497006058692932,
-0.38837897777557373,
0.06070111691951752,
0.37757638096809387,
-0.10316071659326553,
0.2187234908342... | |
However, still would appreciate any feedback from others.
Intro
-----
I'm Finally getting around to posting the solution. I hope it provides some help to others out there that might be doing similar type things. There really isn't much reference to doing this elsewhere.
Prerequisites
-------------
In order for a lot... | [
0.31238284707069397,
0.035186994820833206,
0.4892435669898987,
0.1441631317138672,
0.16929717361927032,
-0.33674123883247375,
0.26550665497779846,
-0.02598387561738491,
-0.27524125576019287,
-0.43394872546195984,
-0.09212914109230042,
0.39237844944000244,
0.008503960445523262,
0.1866798400... | |
I'm using the [Microsoft Enhanced Cryptographic Provider](http://msdn.microsoft.com/en-us/library/aa386986(VS.85).aspx), with the Triple DES ([CALG\_3DES](http://msdn.microsoft.com/en-us/library/aa382020(VS.85).aspx)) algorithm. The first thing that threw me for a loop was the fact that the key length is listed at 168 ... | [
0.3412582278251648,
0.32371941208839417,
0.09316453337669373,
-0.21796125173568726,
0.018494194373488426,
0.15565849840641022,
0.155860036611557,
-0.1907610148191452,
-0.3969172537326813,
-0.4145757853984833,
0.031202875077724457,
0.6811885237693787,
-0.17887622117996216,
0.188528791069984... | |
Key in .NET
--------------------------
Using the [TripleDESCryptoServiceProvider](http://msdn.microsoft.com/en-us/library/system.security.cryptography.tripledescryptoserviceprovider(VS.80).aspx), I noticed the remarks in the docs indicated that:
> This algorithm supports key lengths from 128 bits to 192 bits in incre... | [
0.0205235555768013,
-0.11901774257421494,
0.4192325174808502,
-0.07265152037143707,
0.15350870788097382,
-0.22357326745986938,
0.2551763951778412,
-0.2616090178489685,
-0.09525059908628464,
-0.36297422647476196,
-0.09489798545837402,
0.575893759727478,
-0.2977817952632904,
-0.0061024460010... | |
very fun... let's just leave it at that. Once I got all of this in place, everything ended up failing with a CAPITAL **F**.
Still with me? Good, because I just fell off my horse again.
Light Bulbs and Fireworks
-------------------------
Low and behold, as I'm scraping MSDN for every last bit of information I find a... | [
0.35660961270332336,
0.11981171369552612,
0.21316711604595184,
0.4315679371356964,
0.06916859745979309,
-0.2033136487007141,
0.33087170124053955,
-0.09124200791120529,
-0.44089633226394653,
-0.37811824679374695,
-0.11796434223651886,
0.734874427318573,
0.1138089969754219,
0.246683016419410... | |
> Algorithm Supported key size
>
>
> CALG\_DES 64 bits
>
>
> CALG\_3DES\_112 128 bits
>
>
> CALG\_3DES 192 bits
So it does export a key that is a multiple of 64 bits! Woohoo! Now to fix the code on the .NET side.
.NET Import Code Tweak
----------------------
The byte order is important to keep in mind when ... | [
0.0684010237455368,
-0.14163987338542938,
0.6133605241775513,
-0.08906222134828568,
0.03410554677248001,
-0.3234347403049469,
0.4811048209667206,
-0.4550504684448242,
-0.18575549125671387,
-0.616870105266571,
-0.30446991324424744,
0.6884517073631287,
-0.14763814210891724,
-0.02800632081925... | |
key. Other than that, things work as expected. Simply solved:
```
Array.Reverse( keyByteArray );
```
Conclusion
----------
I hope this helps somebody out there. I spent way too much time trying to track this down. Leave any comments if you have further questions and I can attempt to help fill in any details.
Happ... | [
0.3581961989402771,
0.3204551935195923,
0.32327210903167725,
0.24220731854438782,
0.31776732206344604,
-0.3403261601924896,
0.2426578849554062,
0.3858220875263214,
-0.3094051480293274,
-0.38403305411338806,
-0.4141664206981659,
0.5855395197868347,
-0.14821864664554596,
0.0652657002210617,
... |
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