text stringlengths 0 30.5k | title stringclasses 1
value | embeddings listlengths 768 768 |
|---|---|---|
I would have thought this would be an easy one to Google, but I've been unsucessful.
I want to assign a variable the value out of an attribute (easy so far) then use that variable to select another node based on the value of that attribute.
Example:
```
<xsl:variable name="myId" select="@id" />
<xsl value-of select=... | [
-0.08407807350158691,
-0.041153740137815475,
0.12110240012407303,
0.0102117620408535,
0.01026021409779787,
-0.18537308275699615,
0.2474672794342041,
0.052680354565382004,
-0.004970399662852287,
-0.6550437211990356,
0.17280426621437073,
0.4241541922092438,
-0.30649805068969727,
0.2343337386... | |
is related data under different top-level nodes that share the same id value so I need to get the related nodes in my template.
Ok, I finally figured it out. Silly problem really, I simply needed to leave out the quotes and the braces. One of those times when I *thought* that I'd already tried that. :D Oh, and I mistyp... | [
-0.06534596532583237,
0.07899395376443863,
0.5088189244270325,
0.2311241775751114,
-0.05622917786240578,
-0.04804118350148201,
0.04083557054400444,
0.0023234689142555,
-0.047342441976070404,
-0.6291987895965576,
0.3980877995491028,
0.2812173068523407,
-0.36702024936676025,
0.33201742172241... | |
I'm using IIS in Windows 2003 Server for a SharePoint intranet.
External incoming requests will be using the host header `portal.mycompany.com` and be forced to use SSL.
I was wondering if there's a way to set up an alternate host header such as
`http://internalportal/`
which only accepts requests from the in... | [
0.1005590483546257,
0.09810657054185867,
0.29925185441970825,
0.08873201906681061,
-0.13504426181316376,
-0.3977336883544922,
0.01183246448636055,
0.3492252826690674,
-0.3347153961658478,
-0.8198992609977722,
-0.025095615535974503,
0.35204413533210754,
-0.44811779260635376,
0.2935067117214... | |
it is supported by SharePoint, **or** that it is implemented in the same way.
You can do what you are asking for, however you should do it via SharePoint Central Administration, and "Create or Extend a Web Application" and then "Extend and Existing Application".
In this way you can create a **new** web site (in IIS)... | [
0.44575831294059753,
-0.2794136703014374,
0.2835576832294464,
0.15659886598587036,
0.031116869300603867,
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0.0316348671913147,
-0.04149720445275307,
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-0.960831880569458,
-0.3188309967517853,
0.3763987421989441,
-0.17300128936767578,
0.227196365594863... | |
Does it make sense, having all of the C#-managed-bliss, to go back to Petzold's Programming Windows and try to produce code w/ pure WinAPI?
What can be learn from it? Isn't it just too outdated to be useful?
This question is bordering on religious :) But I'll give my thoughts anyway.
I do see value in learing the Win... | [
0.3777332007884979,
0.3028898537158966,
0.12469351291656494,
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0.4287106692790985,
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-0.006855187937617302,
0.9738566279411316,
-0.12753435969352722,
0.106926947832... | |
P/invoking. Some of the names of the wrappers around the API calls have similar names to the underlying API calls, but those names aren't exactly self-documenting. So understanding the underlying API, and the terminology used therein, will aid in understanding the wrapper APIs and what they actually do.
Plus, if you u... | [
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0.12142296880483627,
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0.07500969618558884,
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-0.3567029535770416,
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0.8265501260757446,
0.12615297734737396,
-0.3131961226463... | |
I encounter an error of the form: "The model item passed into the dictionary is of type FooViewData but this dictionary requires a model item of type bar" even though I am passing in an object of the correct type (bar) for the typed user control.
What @MattMitchell said is probably the reason you're seeing this error.
... | [
0.007819761522114277,
0.04233256354928017,
0.5052177906036377,
-0.10352868586778641,
-0.06888188421726227,
0.14900392293930054,
0.7798088788986206,
-0.14634203910827637,
0.19343510270118713,
-0.5756974816322327,
0.026509039103984833,
0.46169665455818176,
-0.5282701253890991,
0.306783050298... | |
I want some links to include a fragment identifier. Like some of the URLs on this site:
[Debugging: IE6 + SSL + AJAX + post form = 404 error](https://stackoverflow.com/questions/5619/ie6-ssl-ajax-post-form-404-error)**#5626**
Is there a way to do this with any of the built-in methods in MVC? Or would I have to roll m... | [
0.23008319735527039,
0.17406053841114044,
0.10932891070842743,
0.24276818335056305,
-0.1323956996202469,
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0.3715384006500244,
0.1585419774055481,
-0.29378560185432434,
-0.6219146251678467,
-0.0038540042005479336,
0.43969184160232544,
-0.12263727188110352,
0.05989149957... | |
It is supposed to be backwards compatible with HTML4 and XHTML. [John Resig posted about some of the benefits](http://ejohn.org/blog/html5-doctype/).
As long as we don't use any of the new and not supported yet features, would there be any downside to start building sites with this doctype?
Well consider this:
When s... | [
0.35164785385131836,
0.2016458958387375,
0.48897677659988403,
0.021856999024748802,
-0.29461005330085754,
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0.46062156558036804,
-0.037046533077955246,
-0.061993833631277084,
-0.659030020236969,
-0.24580928683280945,
0.6114250421524048,
-0.3457862138748169,
-0.1460453122... | |
triggers standards mode (<!DOCTYPE html>) and using HTML markup that produces the correct result in browsers.
The rest is about conforming, validation and markup prerference.
With that said, using <!DOCTYPE html> now and trying to make your markup conform to HTML5 is not a bad idea as long as you stick to stable feat... | [
0.6028030514717102,
-0.06055525690317154,
0.3358948230743408,
0.2757149040699005,
-0.17800483107566833,
-0.6289301514625549,
0.3794235289096832,
-0.5185021758079529,
-0.10912695527076721,
-0.4538649022579193,
0.1299438774585724,
0.7411945462226868,
-0.2165985405445099,
-0.4035457670688629,... | |
using HTML5 now is that the spec can change quite often. This makes it important for you to keep up with the spec as it actively changes. Also <http://validator.nu/> might not always be up-to-date, but <http://validator.w3.org/> isn't always up-to-date either, so don't let that stop you.
Of course, if you want to use ... | [
0.5142878293991089,
0.006978041958063841,
0.463167667388916,
0.12101148068904877,
-0.2869901955127716,
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0.016734730452299118,
-0.003921064548194408,
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-0.6368129849433899,
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0.5015137195587158,
-0.04919842258095741,
0.0453270897269... | |
What's the best way to do the semantic equivalent of the traditional sleep() system call from within an Informix SPL routine? In other words, simply "pause" for N seconds (or milliseconds or whatever, but seconds are fine). I'm looking for a solution that does *not* involve linking some new (perhaps written by me) C co... | [
0.520828127861023,
-0.15320144593715668,
0.4668283760547638,
0.26366594433784485,
0.022564753890037537,
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0.4931010901927948,
0.06809072941541672,
-0.33516308665275574,
-0.5835326313972473,
-0.0007424560026265681,
0.47445300221443176,
0.007132664788514376,
-0.1755142062... | |
(And yes, I'm the guy you think I am.)
---
Yes, it's for debugging purposes only. Unfortunately, CURRENT within an SPL will always return the same value, set at the entry to the call:
> *"any call to CURRENT from inside the SPL function that an EXECUTE FUNCTION (or EXECUTE PROCEDURE) statement invokes returns the va... | [
0.2851007282733917,
0.010844842530786991,
0.620071530342102,
0.08279949426651001,
-0.1604815423488617,
-0.2274671345949173,
0.29282841086387634,
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0.060824181884527206,
-0.1630271077156067,
0.18742293119430542,
-0.23661649227142334,
0.20373398065567... | |
type with high enough resolution to show the the difference) but then you get that same value back on every single subsequent call, which ensures that any sort of loop will never terminate.
There must be some good reason you're not wanting the obvious answer:
`SYSTEM "sleep 5"`. If all you're wanting is for the SPL to ... | [
0.6742393970489502,
-0.32242029905319214,
0.236403688788414,
0.04240762069821358,
0.2374192476272583,
-0.07567574083805084,
0.2504807412624359,
-0.208455428481102,
-0.24972787499427795,
-0.640160083770752,
-0.06082244589924812,
0.3818998634815216,
-0.45194876194000244,
0.17379562556743622,... | |
that your SPL polls for a particular entry from a WHILE loop, and insert said row from elsewhere (horribly inefficient)
3. Make SET LOCK MODE your friend: execute "SET LOCK MODE TO WAIT n" and deliberately requery a table you're already holding a cursor open on. You'll need to wrap this in an EXCEPTION handler, of cour... | [
0.09322554618120193,
-0.09755288809537888,
0.3627004027366638,
0.13971804082393646,
0.028422296047210693,
-0.08053027838468552,
0.49290934205055237,
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-0.5541916489601135,
-0.18738225102424622,
0.567082941532135,
-0.2012602835893631,
-0.1001159027... | |
I got this error today when trying to open a Visual Studio 2008 **project** in Visual Studio 2005:
> The imported project "C:\Microsoft.CSharp.targets" was not found.
Open your csproj file in notepad (or notepad++)
Find the line:
```
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
```
and change ... | [
0.111172154545784,
0.0887296199798584,
0.4349503815174103,
-0.28011077642440796,
-0.19244444370269775,
0.045685894787311554,
0.3280746042728424,
0.1961095631122589,
-0.23730763792991638,
-0.8245532512664795,
0.1422574520111084,
0.3994356393814087,
-0.5571591258049011,
-0.19168716669082642,... | |
Why are pointers such a leading factor of confusion for many new, and even old, college level students in C or C++? Are there any tools or thought processes that helped you understand how pointers work at the variable, function, and beyond level?
What are some good practice things that can be done to bring somebody to... | [
0.17424839735031128,
0.1905808001756668,
-0.05754519999027252,
0.4724743068218231,
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0.043989747762680054,
0.21489736437797546,
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-0.4594746530056,
0.07479728758335114,
0.4223179817199707,
0.10766839236021042,
-0.0705709904432296... | |
the same memory block.
I've found that the best analogy is to consider the pointer as a piece of paper with a house address on it, and the memory block it references as the actual house. All sorts of operations can thus be easily explained.
I've added some Delphi code down below, and some comments where appropriate. ... | [
0.21978746354579926,
0.3887127637863159,
0.18775014579296112,
-0.09123611450195312,
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0.2275649607181549,
0.06264025717973709,
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-0.652534008026123,
-0.2744295299053192,
0.19353212416172028,
-0.22756947576999664,
0.18348146975040... | |
are intended to give examples of what memory could look like after operations, but they are more low-level in nature. However, in order to accurately explain how buffer overruns really work, it was important that I added these diagrams.
*Disclaimer: For all intents and purposes, this explanation and the example memory... | [
0.30506473779678345,
0.1286822110414505,
-0.031692516058683395,
0.05459504947066307,
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0.10210155695676804,
0.16826938092708588,
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-0.6776151657104492,
-0.13980266451835632,
0.3870795667171478,
-0.2578769028186798,
-0.1270642429... | |
THouse = class
private
FName : array[0..9] of Char;
public
constructor Create(name: PChar);
end;
```
When you initialize the house object, the name given to the constructor is copied into the private field FName. There is a reason it is defined as a fixed-size array.
In memory, there will... | [
0.1888953000307083,
0.13942646980285645,
0.209840327501297,
-0.29050543904304504,
0.12303249537944794,
0.3238697648048401,
0.2582852840423584,
-0.25593143701553345,
-0.026634348556399345,
-0.5472262501716614,
-0.21952001750469208,
0.26882055401802063,
-0.3336474597454071,
0.379817426204681... | |
| +- the FName array
|
+- overhead
```
The "tttt" area is overhead, there will typically be more of this for various types of runtimes and languages, like 8 or 12 bytes. It is imperative that whatever values are stored in this area never gets changed by anything other than the memory allocator or the core... | [
0.43874573707580566,
0.3558361530303955,
0.08581037819385529,
0.1051177978515625,
0.3718644380569458,
0.26022234559059143,
0.20562459528446198,
-0.18538156151771545,
-0.25962772965431213,
-0.5217545032501221,
-0.43098533153533936,
0.3833974301815033,
-0.1783134490251541,
0.1592069566249847... | |
be told where to allocate, but will find a suitable spot with enough room, and report back the address to the allocated memory.
In other words, the entrepreneur will choose the spot.
```
THouse.Create('My house');
```
Memory layout:
```
---[ttttNNNNNNNNNN]---
1234My house
```
---
**Keep a variable with the... | [
0.13188348710536957,
0.2881680428981781,
0.3491075932979584,
-0.03723091632127762,
0.6305107474327087,
0.31989264488220215,
0.19070997834205627,
-0.28498756885528564,
-0.1411670595407486,
-0.8443308472633362,
-0.5619664192199707,
0.21740508079528809,
-0.07491838186979294,
0.396518945693969... | |
h
v
---[ttttNNNNNNNNNN]---
1234My house
```
---
**Copy pointer value**
Just write the address on a new piece of paper. You now have two pieces of paper that will get you to the same house, not two separate houses. Any attempts to follow the address from one paper and rearrange the furniture at that house w... | [
0.8410162329673767,
0.18952713906764984,
0.6305105090141296,
0.013354257680475712,
0.24110454320907593,
-0.12938736379146576,
0.2998703420162201,
-0.28140509128570557,
-0.3663058578968048,
-0.8031880855560303,
-0.1988113522529602,
-0.02256975881755352,
-0.04554897919297218,
0.3165576159954... | |
pointers does not mean two objects or memory blocks.
```
var
h1, h2: THouse;
begin
h1 := THouse.Create('My house');
h2 := h1; // copies the address, not the house
...
```
```
h1
v
---[ttttNNNNNNNNNN]---
1234My house
^
h2
```
---
**Freeing the memory**
Demolish the house. You... | [
-0.10750751942396164,
0.3194607198238373,
0.5531910061836243,
0.1261562556028366,
-0.04067413508892059,
0.23173454403877258,
0.32020801305770874,
-0.1594873070716858,
-0.23835423588752747,
-0.8565282225608826,
-0.22873042523860931,
0.18785910308361053,
-0.40807920694351196,
0.1765899807214... | |
h := THouse.Create('My house');
...
h.Free;
h := nil;
```
Here I first construct the house, and get hold of its address. Then I do something to the house (use it, the ... code, left as an exercise for the reader), and then I free it. Lastly I clear the address from my variable.
Memory layout:
```
h... | [
0.318417489528656,
0.461468368768692,
0.5131386518478394,
-0.20253294706344604,
0.14208513498306274,
0.3909662365913391,
0.39783787727355957,
-0.7448337078094482,
0.04217374324798584,
-0.7698674201965332,
-0.5309149622917175,
0.15754090249538422,
-0.11768794059753418,
0.4730871617794037,
... | |
+- before free
---[ttttNNNNNNNNNN]--- |
1234My house <--+
h (now points nowhere) <--+
+- after free
---------------------- | [
-0.2761630713939667,
0.24424932897090912,
0.681001603603363,
-0.28344589471817017,
0.11975691467523575,
0.03480323776602745,
0.6928110122680664,
-0.3760193884372711,
-0.1895793229341507,
-0.33085596561431885,
-0.5772330164909363,
-0.07261897623538971,
-0.07693663984537125,
0.03392656520009... | |
| (note, memory might still
xx34My house <--+ contain some data)
```
---
**Dangling pointers**
You tell your entrepreneur to destroy the house, but you forget to erase the address from your piece of paper. When later on you look at the piece of paper, you've forgotten that the house is no longer th... | [
0.29644346237182617,
0.620098352432251,
0.16431157290935516,
0.014634679071605206,
0.36939048767089844,
-0.06296473741531372,
0.7445802688598633,
-0.23795567452907562,
-0.18878313899040222,
-0.581366777420044,
-0.5380546450614929,
0.1915557086467743,
-0.31077462434768677,
0.481587588787078... | |
THouse.Create('My house');
...
h.Free;
... // forgot to clear h here
h.OpenFrontDoor; // will most likely fail
```
Using `h` after the call to `.Free` *might* work, but that is just pure luck. Most likely it will fail, at a customers place, in the middle of a critical operation.
```
h ... | [
0.42882654070854187,
0.4540025591850281,
0.40555840730667114,
-0.23430511355400085,
0.33577272295951843,
0.026153458282351494,
0.8986704349517822,
-0.2595767378807068,
-0.006088683847337961,
-0.8308023810386658,
-0.46390047669410706,
0.30019521713256836,
-0.14016620814800262,
0.40630564093... | |
+- before free
---[ttttNNNNNNNNNN]--- |
1234My house <--+
h <--+
v | [
-0.05289498344063759,
0.04502452537417412,
0.6097637414932251,
-0.17331846058368683,
-0.1461820900440216,
0.078551284968853,
0.6161112785339355,
-0.5730929374694824,
-0.10176829993724823,
-0.20445525646209717,
-0.47419384121894836,
0.3896312415599823,
-0.28433552384376526,
0.02082220464944... | |
+- after free
---------------------- |
xx34My house <--+
```
As you can see, h still points to the remnants of the data in memory, but
since it might not be complete, using it as before might fail.
---
**Memory leak**
You lose the piece of paper and cannot find the house. The house is sti... | [
0.18275035917758942,
0.4018627107143402,
0.6553272604942322,
0.1485358029603958,
0.08539262413978577,
-0.013455862179398537,
0.3235858082771301,
-0.43764930963516235,
-0.27199849486351013,
-0.47221308946609497,
-0.5116841793060303,
0.24248479306697845,
-0.05089781805872917,
0.3364318013191... | |
h: THouse;
begin
h := THouse.Create('My house');
h := THouse.Create('My house'); // uh-oh, what happened to our first house?
...
h.Free;
h := nil;
```
Here we overwrote the contents of the `h` variable with the address of a new house, but the old one is still standing... somewhere. After this code... | [
0.1967305839061737,
0.3413392901420593,
0.4291144013404846,
-0.05492516979575157,
0.15086884796619415,
0.23463736474514008,
0.5845168232917786,
-0.27489760518074036,
-0.12287309020757675,
-0.8209075927734375,
-0.4688996374607086,
-0.10323860496282578,
-0.128543421626091,
0.6660224199295044... | |
it down.
Memory layout after first allocation:
```
h
v
---[ttttNNNNNNNNNN]---
1234My house
```
Memory layout after second allocation:
```
h
v
---[ttttNNNNNNNNNN]---[ttttNNNNNNNNNN]
1234My house 5678My house
```
A more common way to get this me... | [
-0.43665897846221924,
0.14691993594169617,
0.2845099866390228,
0.2726067900657654,
0.32523423433303833,
-0.08529234677553177,
0.327786922454834,
-0.21650680899620056,
-0.36702126264572144,
-0.43095293641090393,
-0.42666006088256836,
0.4376460313796997,
-0.302999883890152,
0.117333658039569... | |
as above. In Delphi terms, this will occur with the following method:
```
procedure OpenTheFrontDoorOfANewHouse;
var
h: THouse;
begin
h := THouse.Create('My house');
h.OpenFrontDoor;
// uh-oh, no .Free here, where does the address go?
end;
```
After this method has executed, there's no place in our v... | [
-0.040956344455480576,
0.3454922139644623,
0.3882841169834137,
-0.31372690200805664,
0.23355352878570557,
0.07899889349937439,
0.4399334490299225,
-0.4357263445854187,
-0.023577237501740456,
-0.6588377356529236,
-0.4872070848941803,
0.2940416634082794,
-0.23206137120723724,
0.4264778196811... | |
+- before losing pointer
---[ttttNNNNNNNNNN]--- |
1234My house <--+
h (now points nowhere) <--+
+- after | [
-0.5311599969863892,
0.4232540428638458,
0.7424222230911255,
-0.22136400640010834,
0.36378973722457886,
0.013573807664215565,
0.5458475351333618,
-0.16862007975578308,
-0.13298413157463074,
-0.4073561728000641,
-0.46540367603302,
-0.053532905876636505,
-0.030426206067204475,
0.251184523105... | |
losing pointer
---[ttttNNNNNNNNNN]--- |
1234My house <--+
```
As you can see, the old data is left intact in memory, and will not
be reused by the memory allocator. The allocator keeps track of which
areas of memory has been used, and will not reuse them unless you
free it.
---
**Freeing th... | [
-0.05496547743678093,
0.3974069058895111,
0.6107292175292969,
-0.056379955261945724,
0.4895016551017761,
0.09954018145799637,
0.43020379543304443,
-0.15772613883018494,
-0.3967001140117645,
-0.49304354190826416,
-0.40864720940589905,
0.20251339673995972,
-0.20415538549423218,
0.54791069030... | |
when you go to the address, you won't find a house, but you might find something that resembles the ruins of one.
Perhaps you will even find a house, but it is not the house you were originally given the address to, and thus any attempts to use it as though it belongs to you might fail horribly.
Sometimes you might e... | [
0.47451964020729065,
0.15412768721580505,
0.12580716609954834,
0.14788420498371124,
0.3030066192150116,
-0.0031395142432302237,
0.5528132915496826,
0.19679148495197296,
-0.5940824747085571,
-0.8015440702438354,
-0.2231956124305725,
-0.0362403430044651,
-0.06264310330152512,
0.3824158310890... | |
3-address house as a single small house might also fail horribly.
```
var
h1, h2: THouse;
begin
h1 := THouse.Create('My house');
h2 := h1; // copies the address, not the house
...
h1.Free;
h1 := nil;
h2.OpenFrontDoor; // uh-oh, what happened to our house?
```
Here the house was torn down,... | [
-0.05301244556903839,
0.5156817436218262,
0.48419100046157837,
-0.07548563927412033,
0.15778394043445587,
0.21485021710395813,
0.6603182554244995,
-0.6485921740531921,
-0.15294623374938965,
-0.6687091588973999,
-0.4208828806877136,
0.11590387672185898,
-0.3239087760448456,
0.38001492619514... | |
is a variation of the dangling pointer above. See its memory layout.
---
**Buffer overrun**
You move more stuff into the house than you can possibly fit, spilling into the neighbours house or yard. When the owner of that neighbouring house later on comes home, he'll find all sorts of things he'll consider his own.
... | [
0.4012807011604309,
0.06095531955361366,
0.24376890063285828,
-0.17014935612678528,
0.10505297780036926,
0.2970519959926605,
-0.046433545649051666,
-0.29594969749450684,
-0.5546362996101379,
-0.636199414730072,
-0.18606317043304443,
-0.1242501363158226,
-0.1420295238494873,
0.3438431620597... | |
next to each other.
Thus, this code:
```
var
h1, h2: THouse;
begin
h1 := THouse.Create('My house');
h2 := THouse.Create('My other house somewhere');
^-----------------------^
longer than 10 characters | [
-0.26782557368278503,
0.2101154327392578,
0.3922366201877594,
-0.4013596773147583,
0.14975124597549438,
0.5835505127906799,
0.3062759339809418,
-0.2594330608844757,
0.049473561346530914,
-0.7983745336532593,
-0.34704309701919556,
-0.13240014016628265,
0.16267094016075134,
-0.04473422095179... | |
0123456789 <-- 10 characters
```
Memory layout after first allocation:
```
h1
v
-----------------------[ttttNNNNNNNNNN]
5678My house
```
Memory layout after second allocation:
```
h2 | [
-0.7656925916671753,
0.36407697200775146,
0.04595531150698662,
-0.06373271346092224,
0.0855133980512619,
0.5377045273780823,
0.28133612871170044,
-0.24836105108261108,
-0.1711008995771408,
-0.5335491299629211,
-0.5148800015449524,
0.4332638382911682,
0.036976613104343414,
-0.09665600210428... | |
h1
v v
---[ttttNNNNNNNNNN]----[ttttNNNNNNNNNN]
1234My other house somewhereouse
^---+--^
| | [
0.030681096017360687,
0.3687618672847748,
0.7371882796287537,
-0.1482481211423874,
-0.018226519227027893,
0.24236471951007843,
0.3443504273891449,
-0.5557539463043213,
-0.03086097352206707,
-0.20686163008213043,
-0.33227086067199707,
0.026374822482466698,
-0.12881986796855927,
0.0291128922... | |
+- overwritten
```
The part that will most often cause crash is when you overwrite important parts
of the data you stored that really should not be randomly changed. For instance
it might not be a problem that parts of the name of the h1-house was changed,
in terms of crashing the program, but overwriting the overhea... | [
0.14535759389400482,
0.49937841296195984,
0.1726849377155304,
0.12602441012859344,
-0.20318342745304108,
-0.42863985896110535,
0.29470089077949524,
-0.06512090563774109,
-0.5868703126907349,
-0.30681225657463074,
-0.2390441596508026,
0.3557966649532318,
-0.4986279010772705,
0.2398242950439... | |
When you follow an address on a piece of paper, you get to a house, and at that house there is another piece of paper with a new address on it, for the next house in the chain, and so on.
```
var
h1, h2: THouse;
begin
h1 := THouse.Create('Home');
h2 := THouse.Create('Cabin');
h1.NextHouse := h2;
```
... | [
0.28361213207244873,
0.2422293871641159,
0.4374675750732422,
0.06617482006549835,
0.3173987567424774,
0.04358921945095062,
0.5131804347038269,
-0.44234153628349304,
-0.3264826238155365,
-0.8846546411514282,
-0.2896888256072998,
-0.1399785727262497,
-0.11307406425476074,
0.38073447346687317... | |
could use the following code:
```
var
h1, h2: THouse;
h: THouse;
begin
h1 := THouse.Create('Home');
h2 := THouse.Create('Cabin');
h1.NextHouse := h2;
...
h := h1;
while h <> nil do
begin
h.LockAllDoors;
h.CloseAllWindows;
h := h.NextHouse;
end;
```
Memo... | [
-0.1674867570400238,
0.08967746794223785,
0.5604493021965027,
-0.21016812324523926,
0.4740544259548187,
0.21764163672924042,
0.30497270822525024,
-0.4233672022819519,
0.009992542676627636,
-0.7841504812240601,
-0.3796444237232208,
0.17935600876808167,
-0.11305639892816544,
0.41773560643196... | |
the below diagram):
```
h1 h2
v v
---[ttttNNNNNNNNNNLLLL]----[ttttNNNNNNNNNNLLLL]
1234Home + 5678Cabin +
| | [
-0.2227868288755417,
0.3747560679912567,
0.7628374695777893,
-0.2541653513908386,
-0.016426721587777138,
0.14264865219593048,
0.004688737913966179,
-0.328787237405777,
-0.27796822786331177,
-0.26034054160118103,
-0.3213074207305908,
0.39152923226356506,
-0.3593772053718567,
0.4825152456760... | |
^ |
+--------+ * (no link)
```
---
**In basic terms, what is a memory address?**
A memory address is in basic terms just a number. If you think of memory
as a big array of bytes, the very first byte has the address 0, the next one
the address 1 and so on upwards. | [
-0.13294900953769684,
0.17809052765369415,
0.25150635838508606,
0.21246664226055145,
0.04791368544101715,
0.31531843543052673,
-0.17862902581691742,
0.16075029969215393,
-0.25708314776420593,
-0.5452494025230408,
-0.28527387976646423,
0.1599932760000229,
0.009338137693703175,
0.12218935787... | |
This is simplified, but good enough.
So this memory layout:
```
h1 h2
v v
---[ttttNNNNNNNNNN]---[ttttNNNNNNNNNN]
1234My house 5678My house
```
Might have these two address (the leftmost - is address 0):
* h1 = 4
* h2 = 23
Which means that our linked list above m... | [
-0.07296592742204666,
0.2386971414089203,
0.5441057085990906,
-0.05384456738829613,
0.2785476744174957,
0.17552156746387482,
0.11839254200458527,
-0.22321660816669464,
-0.2675982117652893,
-0.7313692569732666,
-0.1298404335975647,
0.3130050599575043,
-0.05652425438165665,
0.288018465042114... | |
h2 (=28)
v v
---[ttttNNNNNNNNNNLLLL]----[ttttNNNNNNNNNNLLLL]
1234Home 0028 5678Cabin 0000
| ^ | [
-0.5392552018165588,
0.30557361245155334,
0.6033115386962891,
-0.2893409729003906,
-0.045988779515028,
0.24132199585437775,
0.2128879576921463,
-0.27438634634017944,
-0.16137100756168365,
-0.3064410388469696,
-0.14875528216362,
0.4382707476615906,
-0.4123022258281708,
0.06624182313680649,
... | |
|
+--------+ * (no link)
```
It is typical to store an address that "points nowhere" as a zero-address.
---
**In basic terms, what is a pointer?**
A pointer is just a variable holding a memory address. You can typically ask the programming
language to give you its number, but most p... | [
0.16732719540596008,
0.4553608298301697,
0.11158100515604019,
0.22720524668693542,
0.06537695974111557,
-0.163657546043396,
-0.04882622882723808,
0.20677320659160614,
-0.10445291548967361,
-0.28167831897735596,
-0.16437925398349762,
0.0654289647936821,
-0.1277596354484558,
0.33431559801101... | |
hold any meaning to you. It is best to think of a pointer as a black box, ie.
you don't really know or care about how it is actually implemented, just as long as it
works. | [
0.5171793699264526,
0.15666764974594116,
0.14014612138271332,
0.4090352952480316,
0.01608409732580185,
-0.3277992904186249,
0.22865882515907288,
0.43510720133781433,
-0.15724481642246246,
-0.3702932596206665,
-0.11592527478933334,
-0.08481922745704651,
-0.2470037341117859,
0.05072891712188... | |
How do I escape the underscore character?
I am writing something like the following where clause and want to be able to find actual entries with \_d at the end.
```
Where Username Like '%_d'
```
[T-SQL Reference for LIKE](https://learn.microsoft.com/en-us/sql/t-sql/language-elements/like-transact-sql?view=sql-server... | [
0.2653277814388275,
-0.12604735791683197,
0.2815951704978943,
0.3022298812866211,
0.11493005603551865,
-0.13491010665893555,
0.34002685546875,
-0.23212246596813202,
0.10451257228851318,
-0.3300092816352844,
-0.06671884655952454,
0.3594280779361725,
-0.3515869677066803,
0.2628572881221771,
... | |
I have a page upon which a user can choose up to many different paragraphs. When the link is clicked (or button), an email will open up and put all those paragraphs into the body of the email, address it, and fill in the subject. However, the text can be too long for a mailto link.
Any way around this?
---
We were t... | [
0.6489650011062622,
0.3365059792995453,
0.27604570984840393,
0.188276007771492,
0.05321887135505676,
-0.2660684287548065,
0.020991211757063866,
0.13262934982776642,
-0.2734067738056183,
-0.5340734124183655,
0.05752943083643913,
0.3986096680164337,
-0.1209428682923317,
0.15409503877162933,
... | |
thing about doing IT for IT rather than doing software programming. 80(
When you build stuff for IT, it doesn't (some say shouldn't) have to be pretty just functional. In other words, this isn't the dogfood we wake it's just the dog food we have to eat.
---
We started talking about it and decided that the 'mail form... | [
0.6942129135131836,
0.13808119297027588,
0.055356401950120926,
0.08278372138738632,
0.1559063345193863,
-0.07529013603925705,
0.2228240966796875,
-0.3509939908981323,
-0.2657892107963562,
-0.051745545119047165,
0.16820019483566284,
0.6588258743286133,
-0.40686458349227905,
-0.6233561038970... | |
the data into a form, I was able to make the body around 1800 characters long before the form stopped working.
The code looked like this:
```
<form action="mailto:youremail@domain.com">
<input type="hidden" name="Subject" value="Email subject">
<input type="hidden" name="Body" value="Email body">
<input t... | [
0.46691423654556274,
0.08565904200077057,
0.40371283888816833,
0.16996243596076965,
-0.2833230495452881,
0.2970897853374481,
0.1544535905122757,
-0.41413232684135437,
-0.0018834782531484962,
-0.6715145111083984,
0.20356570184230804,
0.16641555726528168,
-0.0012833793880417943,
-0.261560767... | |
not have those limitations. | [
0.6695943474769592,
0.0874289721250534,
-0.3616122305393219,
0.033825624734163284,
-0.032616790384054184,
-0.13355527818202972,
0.32403865456581116,
-0.010495034977793694,
0.07554823905229568,
-0.05713009089231491,
0.36201855540275574,
0.30457234382629395,
-0.2548254132270813,
-0.037253018... | |
I'm just getting into creating some WCF services, but I have a requirement to make them backward compatible for legacy (.NET 1.1 and 2.0) client applications.
I've managed to get the services to run correctly for 3.0 and greater clients, but when I publish the services using a basicHttpBinding endpoint (which I belie... | [
0.06961417943239212,
0.31718409061431885,
0.41040050983428955,
-0.17129909992218018,
0.12357731908559799,
0.017080865800380707,
0.45318758487701416,
-0.32973039150238037,
0.01411651261150837,
-0.5185693502426147,
0.040829822421073914,
0.6567038893699646,
-0.2258794903755188,
0.308821976184... | |
but I can't seem to make this function as expected. I suppose this might lead to the fact that my expectations are flawed, but I'd be surprised that a WCF service is incapable of handling a bool return type to a down-level client.
My current app.config looks like this.
```
<?xml version="1.0" encoding="utf-8" ?>
<con... | [
-0.3791705369949341,
-0.001911384635604918,
0.7784124612808228,
-0.0884186327457428,
-0.03964157775044441,
0.06851070374250412,
0.26323220133781433,
-0.10519696027040482,
-0.3311533033847809,
-0.8507801294326782,
-0.37474414706230164,
0.38531139492988586,
-0.2722190022468567,
0.16865691542... | |
address="http://localhost:8080/CentreService" binding="basicHttpBinding" bindingName="Compatible" name="basicEndpoint" contract="MyCompany.Services.CentreService.ICentreService" />
</service>
</services>
<behaviors>
<serviceBehaviors>
<behavior name="MyServiceTypeBehaviors" >
<se... | [
0.12022264301776886,
-0.038255658000707626,
0.6506802439689636,
0.022260041907429695,
-0.07530160993337631,
-0.08450854569673538,
0.4140189588069916,
-0.3865260183811188,
0.11913865804672241,
-0.664050281047821,
-0.11024776101112366,
0.34009450674057007,
-0.0618964359164238,
0.201167613267... | |
was added a traditional ASMX web service to the project, and called the WCF service from that using native WCF calls. We were then able to return the appropriate types back to the client applications without a significant amount of re-factoring work. I know it was a hacky solution, but it was the best option we had wit... | [
0.3911716639995575,
-0.18495607376098633,
0.10254815965890884,
0.08200280368328094,
-0.09324391186237335,
-0.10882340371608734,
0.40633881092071533,
-0.1170002669095993,
-0.04987858980894089,
-0.41618865728378296,
0.1481046825647354,
0.7160540223121643,
-0.3077166974544525,
-0.136827439069... | |
I've been tasked (by my wife) with creating a program to allow her to track the family trees on both sides of our family.
Does anyone know of a cost-effective (free) control to represent this type of information?
What I'm looking for is a modified org-chart type chart/tree. The modification is that any node should ha... | [
0.1534404754638672,
-0.15525174140930176,
0.09088672697544098,
0.19162188470363617,
0.48823991417884827,
0.4456542134284973,
0.289564311504364,
0.02247624471783638,
-0.5414592027664185,
-0.6456426382064819,
0.3065405786037445,
-0.334797203540802,
-0.05255432054400444,
0.46565091609954834,
... | |
of clunky.
I'm working primarily in c# WinForms, so .Net type controls or source code is preferable.
[Geni](http://www.geni.com/) is probably what your looking for. | [
-0.19648808240890503,
0.017502224072813988,
0.08616054803133011,
0.2737926244735718,
0.14365920424461365,
-0.08624471724033356,
-0.06648511439561844,
0.4817644953727722,
-0.27008286118507385,
-0.5038639903068542,
0.02848070114850998,
0.48673897981643677,
-0.23765259981155396,
0.18273639678... | |
In my web application I have a file which hold the current revision number via $Rev$. This work fine except, if I don't make any changes to that file, it doesn't get committed.
**Is there anyway I can force a single file to always get committed to the SVN server?**
*I'm using TortoiseSVN for Windows so any code or st... | [
0.32790088653564453,
-0.12192380428314209,
0.8346254825592041,
0.0022270807530730963,
-0.09459283947944641,
-0.13089506328105927,
0.5526831746101379,
-0.11308814585208893,
-0.581351101398468,
-0.889426052570343,
0.05869188532233238,
1.1198251247406006,
0.00003896381167578511,
0.33364289999... | |
$WCREV$;
in a file named version.h.tmpl
2. on every build, call SubWCRev to create the 'real' file you can use in your application:
SubWCRev path\to\workingcopy path\to\version.h.tmpl path\to\version.h
This will create the file version.h from version.h.tmpl, with the text $WCREV$ replaced with the revision your work... | [
0.3550567626953125,
-0.18876194953918457,
0.8125879168510437,
-0.008871964178979397,
-0.09675464034080505,
-0.18295378983020782,
0.45158934593200684,
-0.22231070697307587,
-0.46290525794029236,
-0.6469616293907166,
-0.2513428032398224,
0.777554452419281,
-0.18050120770931244,
0.26759308576... | |
Basically, I've written an API to www.thetvdb.com in Python. The current code can be found [here](http://github.com/dbr/tvdb_api/tree/master/tvdb_api.py).
It grabs data from the API as requested, and has to store the data somehow, and make it available by doing:
```
print tvdbinstance[1][23]['episodename'] # get the ... | [
0.5483832955360413,
-0.2803952693939209,
0.5772766470909119,
0.06806634366512299,
-0.19305725395679474,
-0.2509167194366455,
0.17343716323375702,
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0.047820813953876495,
-0.46001774072647095,
0.14429238438606262,
0.6917199492454529,
-0.327068954706192,
0.303172439336776... | |
there was no easy way of checking if `x[3][24]` was supposed to exist or not (so I couldn't raise the season\_not\_found exception).
Currently it's using four classes: `ShowContainer`, `Show`, `Season` and `Episode`. Each one is a very basic dict, which I can easily add extra functionality in (the `search()` function ... | [
-0.13466642796993256,
0.0036453327629715204,
0.6011138558387756,
-0.1052439957857132,
-0.44903627038002014,
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0.3990466594696045,
0.003431576071307063,
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-0.6295879483222961,
-0.21747276186943054,
0.579348623752594,
-0.09629733860492706,
0.5495313405... | |
itself as a dict, but doesn't have all the functionality, and because I'm overriding the `__getitem__` and `__setitem__` functions, it's easy to accidentally recursively call `__getitem__` (so I'm not sure if extending the `Dict` class will cause problems).
The other slight problem is adding data into the dict is a lo... | [
-0.09925951063632965,
-0.16838033497333527,
0.35808655619621277,
-0.028887053951621056,
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0.2017316222190857,
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0.11052259057760239,
-0.45126622915267944,
-0.03918235003948212,
0.5601395964622498,
-0.2739545404911041,
-0.120555289... | |
is probably the best way, but does anyone have a better idea for storing the data? And would extending the `ShowContainer`/etc classes with `Dict` cause problems?
OK, what you need is `classobj` from new module. That would allow you to construct exception classes dynamically (`classobj` takes a string as an argument fo... | [
-0.24281688034534454,
0.07144273072481155,
0.5278655290603638,
-0.0925714299082756,
0.11260125786066055,
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0.24661172926425934,
-0.07273080199956894,
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-0.5035606026649475,
-0.16979841887950897,
0.6238686442375183,
-0.3756924867630005,
0.10085641592741... | |
class name and construct a class object using that name and then raise that exception.
P.S. - you can also raise strings, but this is deprecated.
```
raise(self.__class__.__name__+"Exception")
``` | [
-0.07902795821428299,
0.4346235990524292,
0.04942450672388077,
0.08350188285112381,
-0.18105673789978027,
0.004745509009808302,
0.05999266356229782,
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-0.39835822582244873,
-0.3112025260925293,
0.44180625677108765,
-0.2852360010147095,
0.17467172443... | |
We are in the early design stages of a major rewrite of our product. Right now our customers are mostly businesses. We manage accounts. User names for an account are each on their own namespace but it means that we can't move assets between servers.
We want to move to a single namespace. But that brings the problem of... | [
0.4608996510505676,
0.13738666474819183,
0.36762735247612,
0.0011959548573940992,
0.224782332777977,
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0.041349586099386215,
0.5074066519737244,
-0.27813875675201416,
0.2720391154289245... | |
don't often forget their email address (see number one)
4. Email will be unique unless the user already registered for the site, in which case forward them to a forgot your password screen
5. Almost everyone is using email as the primary login for access to a website, this means the rate of adoption shouldn't be affect... | [
0.4793545603752136,
0.10073643177747726,
0.43171384930610657,
0.11999525874853134,
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0.39102521538734436,
0.08343228697776794,
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-0.7813715934753418,
-0.20880058407783508,
0.297503799200058,
0.06639358401298523,
0.05503726750612259,... | |
need any other information (like password / password confirm), just send them a temp password through the mail, or forgo passwords altogether and send them a one-use URL to their email address every time they'd like to login (see: [mugshot.org](http://mugshot.org/main)) | [
0.6722704172134399,
0.08451498299837112,
0.22515474259853363,
0.06526189297437668,
0.15152394771575928,
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0.6144201755523682,
0.21936644613742828,
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-0.17628876864910126,
-0.11978575587272644,
0.35801178216934204,
-0.5450930595397949,
-0.2927233278751... | |
I'm using subclipse in Flex Builder 3, and recently received this error when trying to commit:
`svn: Checksum mismatch for '/Users/redacted/Documents/Flex Builder 3/path/to/my/file.mxml'; expected: 'f8cb275de72776657406154dd3c10348', actual: 'null'`
I worked around it by:
1. Committing all the other changed files, o... | [
0.15772534906864166,
0.09568077325820923,
0.25632160902023315,
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0.524529218673706,
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-0.014471014030277729,
0.7533450126647949,
-0.572194516658783,
-0.0124095873... | |
the best fix.
Maybe more important -- is this a symptom of a greater problem?
The file in the .svn directory that keeps track of what you have checked out, when, what revision, and from where, has gotten corrupted somehow, for that particular file.
This is no more dangerous or critical than the normal odd file proble... | [
0.27241167426109314,
0.14422032237052917,
0.32116976380348206,
0.5251833200454712,
0.2965191900730133,
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0.07779912650585175,
0.11822028458118439,
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-0.2912539839744568,
0.025971323251724243,
0.6710601449012756,
-0.28819337487220764,
0.032121490687131... | |
the modified files back in.
Note that this might cause problems if you have a busy project where you would normally have to merge in changes.
For instance, you and a collegue both check out a fresh copy, and start working on the same file. At some point, your collegue checks in his modifications. When you attempt to ... | [
0.4948646128177643,
-0.16683419048786163,
0.08050961792469025,
0.3634219467639923,
0.18407946825027466,
-0.36607661843299866,
-0.021465184167027473,
-0.13142095506191254,
-0.5177205801010132,
-0.7355274558067322,
-0.1226198747754097,
0.31703123450279236,
-0.6049541234970093,
0.363316118717... | |
case, when you got around to checkin in your modifications, you would need to update your working copy first, and possibly handle a conflict with your file.
However, if you do a fresh checkout, complete with your collegues changes, it now looks like you removed his changes and substituted with your own. No conflicts, ... | [
0.41541391611099243,
-0.04947128891944885,
0.10562551766633987,
0.08391421288251877,
0.4380958676338196,
0.015058860182762146,
-0.10806892067193985,
0.007858293130993843,
-0.5077534914016724,
-0.34304431080818176,
0.022737033665180206,
0.403044193983078,
-0.44524648785591125,
0.06968074291... | |
I'm trying to customize some TFS work items via the VS2008 xml editor, but every time I open a work item xml file it jumps to the graphical designer. All that gives me is a "View XML" button that doesn't let you edit the xml directly.
I don't have TFS but I know in regular VS there is an Open With... option in most ite... | [
0.4873410165309906,
-0.14218498766422272,
0.4657154083251953,
-0.08392389118671417,
-0.3971894383430481,
-0.04801589995622635,
0.3342854678630829,
0.11622810363769531,
-0.2585907280445099,
-0.7876697778701782,
0.09176039695739746,
0.48115435242652893,
-0.3490484356880188,
0.349399626255035... | |
Has anyone had any experience in building a 'real world' application with the [Smart Client Software Factory](http://www.codeplex.com/smartclient), from Microsofts Patterns and Practices group? I'm looking for advice on how difficult it was to master, whether it decreased your time to market and any other general pitfa... | [
0.4741508662700653,
0.005232746247202158,
0.06792060285806656,
0.2180205136537552,
-0.030719878152012825,
0.31674087047576904,
0.21609000861644745,
-0.16719894111156464,
-0.08525595813989639,
-0.5606098771095276,
0.2994331121444702,
0.502796471118927,
-0.30074337124824524,
-0.2889786958694... | |
developer up to speed and productive.
A downfall of SCSF is that it provides ALOT of functionality that may not be used (we probably only used 60% of the functionality).
I am also using SCSF for a new project and am considering refactoring to PRISM. PRISM allows you to cull the functionality that is not used. If you... | [
0.3976346552371979,
-0.053006116300821304,
0.3885820508003235,
0.1549086719751358,
-0.313650518655777,
-0.46012061834335327,
0.4216129779815674,
-0.19361717998981476,
-0.1953008472919464,
-0.766173243522644,
0.19729071855545044,
0.48678848147392273,
-0.3532765209674835,
-0.0238874088972806... | |
I've got a website that I've just uploaded onto the interwebs, and it's displaying differently using Firefox 3.0.1 on Ubuntu and WinXP.
Two things I've noticed on Ubuntu:
1. The favicon is missing
2. The background color isn't displaying (it's set in the stylesheet)
What have I done wrong? The CSS file is being fetc... | [
0.18841171264648438,
0.1274254322052002,
0.33135390281677246,
-0.06033949926495552,
-0.18050910532474518,
-0.1662934422492981,
0.2793973982334137,
0.004131074994802475,
-0.36650532484054565,
-0.6889346837997437,
0.053587500005960464,
0.5418088436126709,
-0.4871133267879486,
0.0740603879094... | |
answer on favicon: previously, there was no favicon. The browser cached the lack of favicon. [Clear the Firefox cache](http://pcsupport.about.com/od/maintenance/ht/clearcacheff.htm), and all is well.
I would first suggesting getting you html and css code validated. If there are any errors in your markup, these can caus... | [
0.02266736701130867,
0.08452823013067245,
0.7492894530296326,
0.06266175210475922,
-0.049831584095954895,
-0.2191382348537445,
0.32591989636421204,
-0.2329307347536087,
-0.08652843534946442,
-0.3903529942035675,
-0.3231794238090515,
0.32738548517227173,
-0.12492889165878296,
-0.27484214305... | |
In a .net system I'm building, there is a need for automated e-mail notifications. These should be editable by an admin. What's the easiest way to do this? SQL table and WYSIWIG for editing?
---
The queue is a great idea. I've been throwing around that type of process for awhile with my old company.
From a high level... | [
0.49893879890441895,
-0.15718217194080353,
0.07951430976390839,
0.37928149104118347,
-0.0946868285536766,
-0.41480720043182373,
0.032396312803030014,
0.2202920764684677,
-0.38492560386657715,
-0.9134770631790161,
0.10864114761352539,
0.4691582918167114,
-0.33998411893844604,
0.058410950005... | |
that you allow.
Some sort of token replacement system is also a good idea if you need it. For example, if someone puts %FIRSTNAME% in the email template, the code that generates the email can do some simple pattern matching to replace known tokens with other known values that may be dynamic based on user or other circ... | [
0.2700537145137787,
-0.14625108242034912,
-0.20595872402191162,
0.12390117347240448,
0.19542992115020752,
-0.15324701368808746,
0.04891892150044441,
0.22777657210826874,
-0.1892925202846527,
-0.6921502947807312,
0.0346517451107502,
0.33354514837265015,
-0.0413137748837471,
0.01204779930412... | |
So I have a Sybase stored proc that takes 1 parameter that's a comma separated list of strings and runs a query with in in an IN() clause:
```
CREATE PROCEDURE getSomething @keyList varchar(4096)
AS
SELECT * FROM mytbl WHERE name IN (@keyList)
```
How do I call my stored proc with more than 1 value in the list?
So f... | [
0.05866274610161781,
0.24665488302707672,
0.3210310935974121,
-0.14999033510684967,
0.01626395806670189,
0.15198202431201935,
0.27782946825027466,
-0.41867002844810486,
-0.17695853114128113,
-0.25118836760520935,
-0.19533175230026245,
0.7271643877029419,
-0.299081027507782,
-0.068750545382... | |
find anything
exec getSomething '\'John\',\'Tom\'' -- doesn't work - syntax error
```
**EDIT:** I actually found this [page](http://vyaskn.tripod.com/passing_arrays_to_stored_procedures.htm) that has a great reference of the various ways to pas an array to a sproc
If you're using Sybase 12.5 or earlier then you can't... | [
0.19389761984348297,
-0.17236407101154327,
0.30817675590515137,
0.3177529275417328,
0.15995576977729797,
-0.3402732014656067,
0.19992999732494354,
-0.07994114607572556,
-0.29256492853164673,
-0.5843954086303711,
-0.13895933330059052,
0.5013655424118042,
-0.23221135139465332,
-0.12637992203... | |
I've had a hard time trying to find good examples of how to manage database schemas and data between development, test, and production servers.
Here's our setup. Each developer has a virtual machine running our app and the MySQL database. It is their personal sandbox to do whatever they want. Currently, developers wil... | [
0.5239640474319458,
0.16181235015392303,
0.230844646692276,
0.27727600932121277,
0.3162708282470703,
-0.17838408052921295,
-0.0987369492650032,
-0.022536277770996094,
-0.2271195650100708,
-0.6587486863136292,
0.050448738038539886,
0.6957974433898926,
-0.2489653378725052,
0.0807974413037300... | |
the database from SVN for each build.
We have a test (virtual) server that runs "release candidates." Deploying to the test server is currently a very manual process, and usually involves me loading the latest SQL from SVN and tweaking it. Also, the data on the test server is inconsistent. You end up with whatever tes... | [
0.739793062210083,
0.29169324040412903,
0.17429675161838531,
0.3395989239215851,
0.15037639439105988,
-0.14647820591926575,
0.24451646208763123,
-0.3630697727203369,
0.006984182633459568,
-0.48234930634498596,
0.01949554681777954,
0.618749737739563,
0.0456860326230526,
0.22523097693920135,... | |
changes or conversion scripts to manipulate the data, this can get really hairy.
If the problem was just the schema, It'd be an easier problem, but there is "base" data in the database that is updated during development as well, such as meta-data in security and permissions tables.
This is the biggest barrier I see i... | [
0.5206100940704346,
0.13347123563289642,
0.05840655043721199,
0.3938972055912018,
0.07766807079315186,
-0.062475621700286865,
0.34794649481773376,
-0.15386466681957245,
-0.29249465465545654,
-0.7724297046661377,
0.1581360399723053,
0.8570791482925415,
-0.16742277145385742,
-0.1142864972352... | |
to Tarantino. I'm not in a .NET environment, but I found their [DataBaseChangeMangement wiki page](http://code.google.com/p/tarantino/wiki/DatabaseChangeManagement) to be very helpful. Especially this [Powerpoint Presentation (.ppt)](http://tarantino.googlecode.com/svn/docs/Database-Change-Management.ppt)
I'm going to... | [
0.36149919033050537,
0.27039891481399536,
-0.2897389233112335,
0.07706467062234879,
-0.05563235282897949,
-0.13106562197208405,
-0.007584219332784414,
-0.15261106193065643,
-0.04497130215167999,
-0.39535266160964966,
0.2891199290752411,
0.39595383405685425,
-0.19631999731063843,
-0.2758984... | |
exist and running upgrade scripts as necessary. There are also switches for wiping an existing database and importing test data from a file. It's about 200 lines, so I won't post it (though I might put it on pastebin if there's interest).
There are a couple of good options. I wouldn't use the "restore a backup" strateg... | [
0.965682864189148,
-0.06466501206159592,
0.4384007453918457,
0.22613228857517242,
0.15491238236427307,
-0.3459952473640442,
0.38198697566986084,
0.15501797199249268,
0.0420592837035656,
-1.1645342111587524,
0.12374094873666763,
0.6465288996696472,
-0.23541782796382904,
0.06679421663284302,... | |
These solutions vary by language, but for .NET I use Migrator.NET. This allows you to version your database and move up and down between versions. Your schema is specified in C# code. | [
0.2598510980606079,
0.010574585758149624,
0.42371758818626404,
-0.06426800787448883,
0.1822516769170761,
-0.089293472468853,
-0.023698987439274788,
-0.2660622298717499,
-0.1935896873474121,
-0.7388157248497009,
0.07813740521669388,
0.5815700888633728,
-0.3883475065231323,
-0.10390248894691... | |
The following code works great in IE, but not in FF or Safari. I can't for the life of me work out why. The code is *supposed* to disable radio buttons if you select the "Disable 2 radio buttons" option. It should enable the radio buttons if you select the "Enable both radio buttons" option. These both work...
However... | [
0.12870720028877258,
0.17666034400463104,
0.4461783170700073,
-0.04082154855132103,
0.18052548170089722,
-0.3222161829471588,
0.8990428447723389,
-0.10139159113168716,
-0.05615486577153206,
-1.0115872621536255,
-0.26156747341156006,
0.931797981262207,
-0.40590837597846985,
-0.1239992827177... | |
anyone has time/is curious/feeling helpful, please paste the code below into an html page and load it up in a browser. It works great in IE, but the problem manifests itself in FF (3 in my case) and Safari, all on Windows XP.
```js
function SetLocationOptions() {
var frmTemp = document.frm;
var selTemp = frmTemp.u... | [
0.038731351494789124,
-0.31110990047454834,
0.48725658655166626,
-0.0014073634520173073,
0.3493124842643738,
-0.03035322017967701,
0.4748663604259491,
-0.2596747875213623,
-0.1893719881772995,
-0.9829728603363037,
-0.3609141409397125,
0.6593605875968933,
-0.14411069452762604,
-0.2689564824... | |
} else {
frmTemp.transfer_to[0].disabled = false;
frmTemp.transfer_to[1].disabled = false;
}
}
}
```
```html
<form name="frm" action="coopfunds_transfer_request.asp" method="post">
<select name="user" onchange="javascript: SetLocationOptions()">
<option value="" />Choose One
<option value="... | [
0.01717277057468891,
-0.14091768860816956,
0.8605865240097046,
0.13530375063419342,
0.12881822884082794,
0.0627489909529686,
0.1773841381072998,
-1.0739809274673462,
-0.3133392333984375,
-0.6736335158348083,
-0.2945844829082489,
0.853704571723938,
-0.06814861297607422,
-0.15022461116313934... | |
FF to mimic IE's behavior when using the keyboard, you can use the keyup event on the select box. In your example (I am not a fan of attaching event handlers this way, but that's another topic), it would be like this:
```
<select name="user" id="selUser" onchange="javascript:SetLocationOptions()" onkeyup="javascript:S... | [
0.2638571858406067,
-0.3484092652797699,
0.16425803303718567,
-0.09773483127355576,
-0.09162747114896774,
-0.06283267587423325,
-0.16328616440296173,
-0.09435670077800751,
-0.12284336984157562,
-0.7763949036598206,
0.06989388167858124,
0.6458637118339539,
-0.5790814161300659,
-0.2924694418... | |
[Mocking sealed classes](http://www.google.com/search?q=how%20to%20mock%20sealed%20class) can be quite a pain. I currently favor an [Adapter pattern](http://en.wikipedia.org/wiki/Adapter_pattern) to handle this, but something about just keeps feels weird.
**So, What is the best way you mock sealed classes?**
*Java a... | [
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0.19157871603965... | |
have a common interface too. I think this is right design-wise and makes tests a lot easier (and is usually what you get if you do TDD). More about this can be read in the Google Testing Blog [latest post](http://googletesting.blogspot.com/2008/08/by-miko-hevery-so-you-decided-to.html) (See point 9).
Also, I've been w... | [
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0.1051989... | |
One of those classic programming interview questions...
You are given two marbles, and told that they will break when dropped from some certain height (and presumably suffer no damage if dropped from below that height). You’re then taken to a 100 story building (presumably higher than the certain height), and asked to... | [
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- only the number of marble drops counts
* Assume the correct floor is randomly distributed in the building
The interesting thing here is how you can do it in the least amount of drops possible. Going to the 50th floor and dropping the first would be disastrous if the breaking floor is the 49th, resulting in us having ... | [
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0.15104083716869354,
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-0.2260914295911... | |
we go up to floor 2n-1 and if it breaks here we have to drop the second marble n-2 times in the worst case. We continue like this up to the 100th floor and try to break it at 3n-2, 4n-3....
and n+(n-1)+(n-2)+...1 <=100
**n=14 Is the maximum drops required** | [
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It seems that a List object cannot be stored in a List variable in C#, and can't even be explicitly cast that way.
```
List<string> sl = new List<string>();
List<object> ol;
ol = sl;
```
results in Cannot implicitly convert type `System.Collections.Generic.List<string>` to `System.Collections.Generic.List<object>`
... | [
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0.3938818573951721,
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0.27899208664... |
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