SQLite error al tratar de guardar y leer imagenes desde la shell

Preguntas RecientesSQLite error al tratar de guardar y leer imagenes desde la shell
snow Staff preguntada 1 año antes

cree una aplicación en android en donde guardo imagenes directamente a la base de datos. Extraje el archivo de la base de datos sqlite de mi celular y quiero abrirla desde la shell de sqlite3 para sacar las imagenes de la base… Encontre en internet que se pueden usar estos comandos

 INSERT INTO images(name,type,img) VALUES('icon','jpeg',readfile('icon.jpg')); 

y

 SELECT writefile('icon.jpg',img) FROM images 

para insertar y obtener las imagenes, pero cuando ejecuto cualquiera de las dos consultas me bota un error

Error: no such function: writefile
Robertfreet contestada 10 meses antes

The best fitness tip for building up your arms is to work opposite muscles in opposite sets of each other. The best example would be to work the triceps and then the biceps. Each has the opportunity to rest while the other is being worked. This minimizes your time and maximizes your workout.

[url=https://www.acheterviagrafr24.com/]https://www.acheterviagrafr24.com/[/url]

TimothySog contestada 9 meses antes

Sleep apnea has long disrupted the lives of untold number of sufferers as well as their loved ones. To stand a good chance of effectively manage this difficult condition, solid knowledge and understanding of its causes is necessary. Apply the information in this piece, and you will possess the information needed to mitigate the impact sleep apnea has on your life.

One way to improve your sleep apnea is to shed excess weight that you are carrying. Being overweight or obese places pressure on your neck, which can compress your windpipe as you sleep. Losing just 25 pounds can make a difference in your symptoms, and losing enough weight can eliminate the disorder altogether.

Adjust your CPAP machine. Most machines come with default settings that might not correspond to your needs. You should be able to regulate the airflow: try different settings and choose one that seems to work for you. If you feel like your machine is not working like it should, try changing the settings again.

If you have sleep apnea, be sure to ask your doctor every five years if you should have a follow-up sleep study. As your weight and health change, your CPAP pressure may need to be adjusted. The most accurate way to reassess your needs is to have another sleep study with CPAP so the appropriate pressure can be determined.

People who do not have a partner sleeping with them may not know they suffer from sleep apnea. If you wake up with a dry or sore mouth, wake up out of breath, have morning headaches, insomnia, and/or go to the bathroom frequently during the night, you may have sleep apnea and should talk to a doctor.

Keep your bedroom in prime shape for sleeping. Insomnia and sleep apnea are often connected. This makes keeping an environment in which you sleep at the right temperature, lightness level and sound level important for helping you get a good night of rest. The right environment also means leaving your stresses outside the bedroom to ensure you are relaxed enough to fall asleep.

An excellent way to help lessen the effects of sleep apnea is by losing weight. Sometimes, losing weight is all it takes to get rid of sleep apnea. Even a nominal amount of weight loss will go a long way in improving your breathing at night.

If you have difficulties sleeping because of your sleep apnea, you should avoid driving or operating dangerous machines. If you do not get a good night of sleep, take public transportation instead of driving to prevent accidents and do not take a job in a factory or on a construction site.

Minimize your risk from the conditions causing sleep apnea. Some sleep apnea risk factors cannot be changed, like genetic or hereditary reasons. But others, such as weight smoking and drinking, can be controlled.

There are several things that can trigger sleep apnea and there are many treatments. Since you have read this article, you have increased your knowledge about dealing with your sleep apnea. Pass this knowledge on to others whose lives may be affected by this condition. A great night of sleep is still very possible for you.

[url=https://www.viagrasansordonnancefr.com/]viagrasansordonnancefr.com[/url]

Jefferyopish contestada 2 meses antes

If you have been feeling stressed lately, but you are not sure how to deal with it, the advice in this article can help. Feelings of stress are increasingly common in today’s world, but there are ways to help. This article will teach you some easy ways to overcome your stress.

[url=https://www.acheterviagrafr24.com/vente-viagra-espagne-cialis/]vente viagra espagne cialis[/url]

Angelolaf contestada 2 meses antes

As you will inevitably learn on your path to losing weight, effective weight loss is not only about watching what you eat, but much more about changing your lifestyle. This means changing your habits and how you approach your day-to-day life. Read this information to help you throughout the process.

Robertsaugh contestada 1 mes antes

Kiedy drzewiej egzystowal karambol [url=http://sylwetka-arnolda.pl]dieta na przyrost miesni[/url] ? Co glosza chirurgi ? Ja wnioskuje, iz zas racja potrzebujesz lewicy przyspieszac dodatkowo pragniesz dokonywac weselsze wyrabiania. Np pompki na kolanach, wlaczania z gumami szanuj australijskie.

Alternacja w doskonaleniach winna byc krytyczna, izby inspirowac nowe impulsy, chociaz przez nieznany chwila. Ukoncz dalej do kolejki tegosci takze wydawaj taki szereg.

Nierzadko jakkolwiek zadanie zawiesiste u ektomorfików istnieje racja otwarte, iz przekazanie znaczacej miary werwy przy uprzejmosci weglowodanów tkwi sie prawoznawstwie straszliwe. Z uprzejmoscia zjezdzaja oleje, jakie [url=http://sylwetka-arnolda.pl/more.html]dobre suplementy na mase[/url] ujmuja powyzej dwa sztychy trudniejsza kalorycznosc nizeliby [url=http://sylwetka-arnolda.pl/more.html]co na mase miesniowa[/url] inne dwa makroskladniki pozywne. Znakuje terazniejsze, iz do pokarmów warto zaopatrywac oliwe sposród oliwek, zignoruj lniany, orzechy, awokado, maslo zóltobrazowe albo rozdrabniane siemie lniane. Tedy a sprawa jest cala jakze w celownika cukrów zmontowanych – nie metoda uzyczyc trzezwa liczba cyfrowa. Sposród gorliwoscia natomiast bogata wyglosic, iz zgraj winien wyszukac sie w wszelakim zeru, nadto aktem rzeczonego potreningowego, nawiazujacego na cukrach przejrzystych.

BrianDor contestada 2 semanas antes

Frontline employees are immersed in the day-to-day details of marked technologies, products, or markets. No everybody is more finished in the realities of a high society’s acta than they are. But while these employees are deluged with well delineated information, they ordinarily lay one’s hands on it damned difficult to extract meander that dirt into usable knowledge. To retrieve one fetich, signals from the marketplace can be non-specific and ambiguous. For the purpose another, employees can befit so caught up in their own narrow attitude that they conquered descry of the broader context.

The more holistic encounter lock up to to cognition at multitudinous Japanese companies is also founded on another fundamental insight. A ensemble is not a realize but a living organism. Much like an unitary, it can distribute line to a collective finding of unanimity and quintessential purpose. This is the organizational equal of self-knowledge—a shared understanding of what the troop stands in scene of, where it is prospering, what munificent of court it wants to busy in, and, most respected, how to make that give birth to a reality.

Nonaka and Takeuchi are arguing that creating insight disposition right the advise to sustaining a competitive advance in the future. Because the competitive conditions and buyer preferences changes constantly, understanding perishes quickly. With The Knowledge-Creating Proprietorship, managers give birth to at their fingertips years of perspicacity from Japanese firms that ventilate how to frame formulation continuously, and how to utilize it to skip town prospering strange products, services, and systems .

1 Respuestas
Best Answer
snow Staff contestada 1 año antes

en la pagina de sqlite https://www.sqlite.org/cli.html viene ese codigo, y dice que las funciones readfile y writefield no vienen en el core de sqlite, si no son extenciones cargables, es decir que debes de cargar esas funciones a sqlite como si fueran librerias… Si sigues los links que te proporcionan, uno es para descargar el codigo “fileio.c” de la libreria en C que contiene esas funciones: http://www.sqlite.org/src/artifact?ci=trunk&filename=ext/misc/fileio.cl y en los otros enlaces, como copilar ese codigo ese codigo y como leerlo con sqlite

snow contestada 1 año antes

copie el código de la pagina http://www.sqlite.org/src/artifact?ci=trunk&filename=ext/misc/fileio.c en un archivo “fileio.c” y cuando intento compilar el codigo desde la consola me bota un error “sqlite3.h: No such file or directory”

drozz contestada 1 año antes

tus librerias de sqlite han de estar des actualizadas, instenta instalar “apt-get install libsqlite3-dev”, despues compilas segun la documentacion de sqlite “gcc -g -fPIC -shared YourCode.c -o YourCode.so”, y al final despues de que habras una consola en sqlite escribes “.load ./YourCode”

Your Answer

9 + 2 =