Search Results

Search found 21769 results on 871 pages for 'check constraints'.

Page 82/871 | < Previous Page | 78 79 80 81 82 83 84 85 86 87 88 89  | Next Page >

• How to check if MemoryStream can convert to Bitmap in C# ?

  - by Thyphuong

  As the question mentioned, I have a memorystream from a Byte[] ByteArr. How can I check if it can convert to a bitmap before using it with Bitmap myImg = new Bitmap(memorystream).

  Read the article

• How do you check if a variable is an array in JavaScript ?

  - by Andy McCluggage

  I would like to check whether a variable is either an array or a single value in JavaScript. I have found a possible solution... if (variable.constructor == Array)... Is this the best way this can be done?

  Read the article

• How to check if the given string is palindrome?

  - by Prakash

  Definition: A palindrome is a word, phrase, number or other sequence of units that has the property of reading the same in either direction How to check if the given string is a palindrome? This was one of the FAIQ [Frequently Asked Interview Question] a while ago but that mostly using C. Looking for solutions in any and all languages possible.

  Read the article

• Adobe Air how to check if URL is online\gives any response exists?

  - by Ole Jak

  I have url I want to check if it is live. I want to get bool value. How to do such thing?

  Read the article

• how to check some assembly is present in client and register that if not.

  - by Jimmy

  hi there, what i wana know is that how can i use assembly that is register in GAC in my C# application. Detail: What i wana achieved is that 1) Check ABC assembly that is register in my client machine or not from my windows application 2) If not then register that assemble in GAC of client from my windows application 3) And use this assembly and perform some functions Remember that that ABC assemble is my assembly having some of my function.

  Read the article

• .Net: How do I check for illegal characters in a path?

  - by Mike Pateras

  Is there a way to check if a String meant for a path has invalid characters, in .Net? I know I could iterate over each character in Path.InvalidPathChars to see if my String contained one, but I'd prefer a simple, perhaps more formal, solution. Is there one?

  Read the article

• how to check if ANY directory exists without knowing a specific directory name, but rather just the

  - by steve

  In vb.net how do you check if a ANY directory exists inside a directory I would need to know if there is a folder inside the c:\windows directory (WITHOUT knowing if there is ANY directory is in there).

  Read the article

• How can I check if a Resource Bundle contains a specific key in a JSF page.

  - by Silverfox

  I have a JSF page which has a bundle loaded. However I need to dynamiclly build a key to access the property. What I need to do is check that the property exists so I can decide whether to render the or not. I have tried checking if the value is empty but it always renders the output. Thanks

  Read the article

• iPhone SDK: Check validity of URLs with NSURL not working??

  - by Chris

  hi, I'm trying to check if a given URL is valid and i'm doing it like this: - (BOOL)urlIsValid:(NSString *)address { NSURL *testURL = [NSURL URLWithString:address]; if (testURL == nil) { return NO; } else { return YES; } } Since "URLWithString" is supposed to return "nil" if the URL is malformed I thought this would work but it doesn't for some reason. Could someone please tell me why? Thanks in advance!

  Read the article

• What is the fastest hash algorithm to check if two files are equal?

  - by eflles

  What is the fastest way to create a hash function which will be used to check if two files are equal? Security is not very important. Edit: I am sending a file over a network connection, and will be sure that the file on both sides are equal

  Read the article

• vb.net how to check for changes in folder upon application start?

  - by Luay

  while the application is running i'm using FileSystemWatcher to monitor the folder. But what if there are changes to the folder when the application is not running, how can I check for these changes when the application starts. (similar to how windows media player, for example, monitors your music folder. Even when you add songs to that folder when it is not running, it does discover them when it runs next time) Thanks

  Read the article

• efficient way to check if at least one row contains a null value in a DataView ?

  - by benj007

  Hi everybody, I need to do a test in a DataView to check if at least one row contains one cell with a null value. What is the best way to do it in your opinion ? Thanks in advance.

  Read the article

• How do you check the presence of many keys in a Python dictinary?

  - by Thierry Lam

  I have the following dictionary: sites = { 'stackoverflow': 1, 'superuser': 2, 'meta': 3, 'serverfault': 4, 'mathoverflow': 5 } To check if there are more than one key available in the above dictionary, I will do something like: 'stackoverflow' in sites and 'serverfault' in sites The above is maintainable with only 2 key lookups. Is there a better way to handle checking a large number of keys in a very big dictionary?

  Read the article

• WindowsMobile - How to check if there is WIFI connection ?

  - by Gold

  Hi how I can check if in my Windows mobile program there is WIFI connection ? (I dont want to use try & catch for any action) I work with Windows mobile 2005, FW 3.5, WS2008 thank's in advance

  Read the article

• How to check if object has any properties in JavaScript?

  - by Ricky

  Assuming I declare var ad = {}; How can I check whether this object will contain any user-defined properties?

  Read the article

• How to check whether a particular widget is show or not in the sidebar ?

  - by justjoe

  i want to code something in my post template. So, is there any way to check whether a widget that i want to show will be shown in sidebar or not ?

  Read the article

• How to check if a couchdb document exists (without retrieving it)?

  - by karlthorwald

  How can I just check if a document exists, mabye get the revision, but not make couchdb send the body of the document? I remember I saw this explained somewhere but I cannot find it.

  Read the article

• How do I check if an email address is valid without sending anything to it?

  - by Charles

  I have a client with 5000 emails from an old list he has that he wants to promote his services to. He wants to know which emails on the list are still valid. I want to check them for him - without sending out 5K emails randomly and then being listed as a spammer or something. Ideas?

  Read the article

• How do I check if an integer is even or odd?

  - by chustar

  How best can I check if an integer is even or odd in C? I considered how I'd do this in Java, but I couldn't come up with an answer either. Thanks.

  Read the article

• How to check if a given Regex is valid? (Java)

  - by Philipp Andre

  Hi folks, I have a little program allowing users to type-in some regular expressions. afterwards i like to check if this input is a valid regex or not. I'm wondering if there is a build-in method in Java, but could not find such jet. Can you give me some advice? Best regards Phil

  Read the article

• How to check if googlebot will index a given url ?

  - by Steffen

  We're doing a whitelabel site, which mustn't be google indexed. Does anyone know a tool to check if the googlebot will index a given url ? I've put <meta name="robots" content="noindex" /> on all pages, so it shouldn't be indexed - however I'd rather be 110% certain by testing it.

  Read the article

• How to check iPhone keyboard klick sound turned on/off in settings ?

  - by Newbee

  Hi! I'm working on custom keyboard and need to play tap sound for keys if it enabled in the Settings. Tap sound not a problem but how to check is keyboard click sound enabled ? Thanks.

  Read the article

• Running as Admin, How do I check if some windows account has permissions to read a directory?

  - by Zvika

  I only got the account username (DOMAIN\USER). The check also has to take into account the user's groups. I'd like to use this sample, but I can't figure out how to get a WindowsIdentity only from a username without his password.

  Read the article

• Is there a way to check if a var is using setInterval() ?

  - by chadley

  For instance, I am setting an interval like timer = setInterval(fncName, 1000); and if i go and do clearInterval(timer); it does clear the interval but is there a way to check that it cleared the interval? I've tried getting the value of it while it has an interval and when it doesn't but they both just seem to be numbers.

  Read the article

• how to check if a combobox is empty without setfocus?

  - by every_answer_gets_a_point

  i need to know if any text has been entered into a combobox if i do: If comboReason1.Value <> "" Then it gives me an error, and if i do: If comboReason1.Value <> Null then this doesn't work. how do i check whether text has been entered into the combobox?

  Read the article

< Previous Page | 78 79 80 81 82 83 84 85 86 87 88 89  | Next Page >