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  • Stop Submit With empty and error Input Values Using PHP

    - by user3615781
    I am using the following code for sending data to database, but it sends the data even the values of the fields are incorrect or empty. So can anyone help me solve this by using php? Here is my code: <?php //Connecting to sql db $connect = mysqli_connect("localhost","root","","form"); /* check connection */ if (!$connect) { die('Connect Error: ' . mysqli_connect_error()); } //Sending data to sql db $result = mysqli_query($connect,"INSERT INTO students(name,email,website,comment,gender) VALUES('$name','$email','$website','$comment','$gender')"); if (!$result) { die('Query Error:'. mysqli_error($connect)); } ?>

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  • Save Values AUTOMATICALLY with NSUserDefaults

    - by Edouard Tarter
    I have an app with two UITextFields, where the user enters an integer, and then a method is called with the values the user enters. But when I completely close the app, the values are deleted. I want to change it to save the value the user entered when it closes, and loads it up when the app is re-opened. I tried this with NSUserDefault, and it worked fine (with save and load button), but I want it to make it automatically, without pressing any buttons. I saw some other people do it with the basic methods in the AppDelegate.m, but I don't know anything about that, therefore I didn't understand it at all. I saw MANY tutorials online, but I didn't understand any of them, please help, and give a detailed answer, thanks :)

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  • aov define F values computation

    - by essopapas
    Greetings to all This is my model: aov.fit<-aov(Y~A+B+C+D+E+A:C+A:E, data=dat) In summary(aov.fit) all F values are comptuted by eg MS(A)/MS(Residuals). This is not correct (or what I want), except for F(B) and F(A:E). I suppose P values are not correct either. Can I specify how the F computations will be done? I 'd like them to be like this: F(A)=MS(A)/MS(E), F(C)=MS(C)/MS(E), F(D)=MS(D)/MS(E), F(E)=MS(E)/MS(A:E), F(A:C)=MS(A:C)/MS(A:E) thanks

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  • Programmatically get valid switch/case values

    - by craigim
    When MATLAB scans through cases in a switch/case block, does it remember the values that it skips, and is it possible to access that list? I have a few functions with long switch\case block and I would like to have them return a list of valid case values if they make it down to otherwise. For instance, I have a function that returns a set of optical constants for a material. It currently has about 20 different materials and it is growing as I consider new ones. I realize I can brute-force it and just re-type all of the valid cases into a cell array under otherwise and have the function throw an error and return the list of valid responses, but maintaining both lists without errors or laziness creeping in over time is challenging.

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  • list boxes(A,B) with some duplicate values

    - by Dev
    I have two list boxes(A,B) with some duplicate values and i can send values from A to B or B to A using send button and i have one save button. For the first time without sending any list box if i click on save button i am showing message like "NO changes or Done" But once i send one item from A to B and again sending that same item from B to A it means no changes or Done. here also i want to show same message "NO changes or Done" .but i am unable to find the staus can any one pleasse give code or tips to find the default status for listboxs in javascript. Thanks

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  • I have two list boxes(A,B) with some values and i can send values from A to B or B to A

    - by Dev
    I have two list boxes(A,B) with some values and i can send values from A to B or B to A and i have one save button. For the first time without updating any list box if i click on save button i am showing message like "NO changes or Done" But once i send one item from A to B and again sending that same item from B to A it means no changes or Done. here also i want to show same message "NO changes or Done" .but i am unable to fine the staus can any one pleasse give code or tips to find the default status for listboxs in javascript. Thanks

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  • [WPF] When Should I Retrieve Values from Textbox?

    - by they_soft
    Suppose I have a Window with TextBoxes I want to use the values. Right now I'm thinking of either: 1) Updating each associated value once the cursor is out of focus, and once the user presses Ok I start the program 2) Once the user presses Ok, I retrieve all the values at once then start the program I'm not sure which one is better though. First alternative seems more modular, but there's more semantic coupling since I each new box is supposed to be updating its respective value. I realize this isn't all that important, but I'm trying to understand when to centralize and when not to. Other better approachers are appreciated too.

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  • Performing an operation based on values within an array

    - by James W.
    I'm trying to figure out how to do operations based on values in an array. The values are taken from a string and inserted into the array e.g num = TextBox.Text.Split(' '); results = Convert.ToDouble(num[0]); for (int i = 0; i < num.Length - 1; i++) { if (num[i] == "+") { results += Convert.ToDouble(num[i++]); } ... } So based on this, let's say the TextBox string value was "1 + 2". So the array would be: ------------- | 1 | + | 2 | ------------- 0 1 2 (indexes) The part I'm having trouble with is Convert.ToDouble(num[i++]).. I've tried num[1] + 1, num[i + 1], etc I'm trying to figure out how to get it to perform the operation based on the first value and the value in the index after the operator. Which is the correct way to do something like this?

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  • SQL: Is there a more efficient way to calculate elapsed hours, minutes, seconds?

    - by hamlin11
    I'm using Computed Columns to provide me with the following information: Hours, Minutes, and Seconds between a Start DateTime and Finish DateTime (Where Minutes and Seconds are between 0 and 59 and Hours can be any value 0 or greater) Computed Column for Seconds: datediff(second,[Start],[Finish]) % 60 Computed Column for Minutes: floor(datediff(second,[Start],[Finish]) / 60.0) % 60 Computed Column for Hours: floor(datediff(second,[Start],[Finish]) / 3600.0) Here's the table for reference Note: I'm also calculating TotalElapsedSeconds, TotalElapsedMinutes, and TotalElapsedHours in other computed columns, but those are easy. I just feel like I might be missing out on a nice built in function in SQL.

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  • What are good values for PSU voltages?

    - by earlz
    Hello, I have an odd computer I'm trying to fix that will crash only during the setup of an OS(crashes on every OS I've tried so far) It's not overheating and it is stripped down as much as possible and I've tried multiple harddrives, and memtest86+ can run on it for 3 hours without a crash or fail. So, I was a bit stumped and was looking in the BIOS for possible causes and found a hardware monitor that shows PSU voltages. They are: VCORE: 1.432V 3.3V: 3.136V 5V: 5.273 12V: 12.144V I thought the 3.3V looked a little low, but I'm not really sure on how "bad" that is. So, what are the good ranges for the voltages on each CPU rail?

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  • Returning row values based on conditional formatting variables

    - by Mike Bodes
    I'm not entirely sure how to properly explain this, but here we go... I'm trying to create a single budgeting document that allows me to manage purchasing and reconciliation for multiple projects. I would like to create separate sheets per project and have purchased items populate on a master sheet. Using conditional formatting, I've set one of the columns to display an item's status (waiting for approval, approved, ordered, received). I would like the contents of an entire row to populate in a new sheet table once the status is set to "Received." The sheet should update descendingly. I can't attach an image because I don't have a 10 reputation.. Any help is greatly appreciated.

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  • What iowait values are ok?

    - by alfish
    I am trying to find the bottleneck of a server running a fairly busy php/mysql site. My first culprit was io but iostat shows that on average iowait consumes only %3.60 of cpu time. here is the complete result of issuing iostat: avg-cpu: %user %nice %system %iowait %steal %idle 65.78 0.00 8.52 3.60 0.00 22.10 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn sda 42.36 138.28 1754.70 408630278 5185216128 So I am wondering if the iowait is within acceptable range, and if not, whether switching from SATA to SSD would dramatically reduce it?

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  • mongoexport csv output array values

    - by 9point6
    I'm using mongoexport to export some collections into CSV files, however when I try to target fields which are members of an array I cannot get it to export correctly. command I'm using: mongoexport -d db -c collection -fieldFile fields.txt --csv > out.csv and the contents of fields.txt is similar to id name address[0].line1 address[0].line2 address[0].city address[0].country address[0].postcode where the BSON data would be: { "id": 1, "name": "example", "address": [ { "line1": "flat 123", "line2": "123 Fake St.", "city": "London", "country": "England", "postcode": "N1 1AA" } ] } what is the correct syntax for exporting the contents of an array?

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  • How to keep windows 2003 Daylight Saving values updated

    - by SirMoreno
    My web app runs on windows 2003 .Net 3.5 I have users from Israel (GMT +2), and Israel switched to Daylight saving time on 26/3/10 so now it's (GMT +3). I use TimeZoneInfo.ConvertTime that doesn’t know the Daylight saving time switch is on 26/3/10 so it still converts to GMT +2. I asked on StackOverflow: http://stackoverflow.com/questions/2530834/problem-with-timezoneinfo-converttime-missed-the-daylight-saving-switch/2532104#2532104 And I was told that I need to update: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones\Israel Standard Time\Dynamic DST I found this update: http://support.microsoft.com/kb/976098 That supposes to fix the Dynamic DST for 2010, Is this the update I need? Where can I find an update that handles 2011 2012… ? Will I need to update my windows every year to get the DST right? Thanks.

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  • Find and Replace several several different values all at once

    - by matt
    I have a file with multiple instances of Text_1 and Text1 and I need to replace both those strings with Text_A and TextB respectively. Currently I'm doing two Find and Replace functions on each file one that finds Text_1 and replaces it with Text_A and the other that finds Text1 and replaces it with TextB. Is there any way to do this all at once instead of having to run "Find and Replace" twice? I am using Dreamweaver CS3, but I also have Notepad++, regular Notepad, OO Writer, MS Word if those will be easier. Ideally I could do this in Dreamweaver or Notepad++ but I'm open to downloading something else to get the job done. I'd prefer not to have to do any command line stuff or create a batch file (while I'm aware of it, I don't understand it really). Edit: In case the above description isn't clear, let me explain it this way... I want to run Find & Replace 1 time in 1 document and I want it to do ALL of the following during that one Find & Replace instance: Find: Text_1 and Replace with: Text_A Find: Text1 and Replace with: TextB I am not trying to do a Find and Replace across several documents.

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  • Sorting/grouping when there are multiple values in one cell

    - by ngm
    I have an Excel 2007 spreadsheet, where each row of the dataset describes a feature of a piece of software. One of the columns in the spreadsheet is Relevant Users, which describes which users of the software the feature is of interest to. There may be a couple of different users interested in a feature, in which case I've been filling in the cell with the two user types separated by a colon, e.g. 'Usertype A; Usertype D'. Occassionally, I'd like to sort my data by the Relevant Users column. However, the way I'm populating the column means the sorting isn't very smart. If I have a feature where 'Relevant Users' is 'Usertype A; Usertype D', and then I sort by Relevant Users, that feature will be grouped at the end of all the other features of relevant to Usertype A, as it's just sorting alphabetically. But I want it to be listed in the two separate groups of Usertype A and Usertype D. Or, if I have a pivot table that groups the features together under the heading of Relevant User, I'll get all the features for 'Usertype A', then 'Usertype B', then 'Usertype C', then 'Usertype D', then 'Usertype A; Usertype D', etc. Whereas I really want a feature with Relevant Users as 'Usertype A; Usertype D' to show up in both the Usertype A group and the Usertype D group. I guess if this information was in a database I might have a many-to-many table linking Relevant Users to features. But is there a way to go about having this kind of many-to-many relationship in Excel?

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  • ntpd on Fedora Core 6 with high negative time reset values

    - by Mark White
    The basic problem is we have a FC6 server instance running on a virtual machine, and the system time seems to have been slowly varying until it is now causing a problem. The server runs 24/7 and has been up for 155 days. It has been changed to show GMT, and reports the time as (example) 00:15:15 GMT whereas the actual time is 00:00:00 GMT. This is an offset of 915 seconds. selinux has been changed to 'setenforce 0' for testing and I am running as root. I stop the ntpd service and change the time in System|Administration|Date & Time. The time still shows the same with 'date' in bash. There are no error logs. I change the date with 'date --set' in bash. The response confirms the changed date. I run 'date' and the incorrect date is shown. There are no error logs. I start the ntpd service and /var/log/messages shows success with 'time reset -915.720139s'. The date remains unchanged. ntpq -p shows three three time servers all have offsets of around -915 seconds. I stop ntpd service and try 'ntpd -gqx' and get the same result as above - success, but a large negative time reset. I've tried varying combinations of the above, and a few more settings in System|Administration|Date & Time - no change. I just need to reset the system time to GMT. No offset. But I can't wait for ntpd to slew the time over the next few weeks. Any advice is welcome, cheers! Surely this shouldn't be this difficult... Mark...

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  • Hard Drive benchmark values show write very very slow

    - by John
    I recently started to have issues with my laptop being very slow. I ran a hard drive benchmarking tool (by ATTO) that showed that the write speed was very very slow on my boot drive. I ran the same benchmark on my usb drive and it was 650 times faster than my boot drive when it came to writing. Reading is very fast/normal on both. I swapped out an identical drive and ran the same benchmark. This time the drive showed proper write speed. Thinking that I had a hard drive going bad I cloned the old one onto the new one. I managed to clone the problem too. Anyone have any ideas on what in WinXP SP3 might be causing the write issues? I am on a corporate network and we have commercial anti-virus software installed. (AVG I think) I regularly run defraggler and have about 40 gig free on a 100 gig drive. The machine has 4 gigs of memory. Any ideas? TIA J

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  • How to input 64-bit hex values in octave

    - by Chris Ashton
    I'm trying to use Octave as a programmer's calculator. I want to input a 64-bit pointer, but when I do apparently the 64-bit value gets silently truncated to 32-bit: octave:44> base_ptr=0x1010101020202020 base_ptr = 538976288 octave:45> uint64(base_ptr) ans = 538976288 octave:46> printf("%lx\n", base_ptr) 20202020 So it seems like it's truncated the input value to the low 32-bits. I would use scanf, but the docs say it should only be used internally. How can I input the full 64-bit value? Alternately, is there some awesome free programmer's calculator out there for Windows? (I know Windows calculator has a programmer's mode but I would like arbitrary variable support). I tried using my ti-89 but it also doesn't support 64-bit hex.

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  • How to interpret iozone values

    - by Henno
    I ran a test to measure my I/O IOPS on Linux: iozone -s 4g -r 2k -r 4k -r 8k -r 16k -r 32k -O -b /tmp/results.xls iozone claims that output is in operations per second yet the numbers are too big for that to be plausible. I'm observing some 320 CMDs/s maximum on vmware esx console (esxtop, then v). File size set to 4194304 KB Record Size 2 KB Record Size 4 KB Record Size 8 KB Record Size 16 KB Record Size 32 KB OPS Mode. Output is in operations per second. Command line used: iozone -s 4g -r 2k -r 4k -r 8k -r 16k -r 32k -O -b tmpresults.xls Time Resolution = 0.000001 seconds. Processor cache size set to 1024 Kbytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. random random bkwd record stride KB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread 4194304 2 19025 5580 27581 29848 284 198 415 1103217 1498 18541 4340 24245 25618 4194304 4 15650 21942 18962 21068 252 1198 193 976164 1677 22802 23093 21089 21232 4194304 8 11121 11638 10273 10165 247 1196 202 625020^C The test ran for 15 hours before I pressed ^C. Is that ordinary expectation for such command line (dedicated 4 drive RAID10 LUN, 10k RPM SAS drives in EMC CX300)?

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  • Use a Trendline Formula to Get Values for Any Given X with Excel

    - by kirkouimet
    Is there an easy way to apply the trend line formula from a chart to any given X value in Excel? For example, I want to get the Y value for a given X = $2,006.00. I've already taken the formula and retyped it out be: =-0.000000000008*X^3 - 0.00000001*X^2 + 0.0003*X - 0.0029 I am continually making adjustments to the trend line by adding more data, and don't want to retype out the formula every time.

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