by: Bart Nessux |
last post by:
Are these equivelent? Is one approach prefered
over the other
#check to see if var contains something... if so
proceed.
if var is not None:
continue
#check to see if var is empty... if so...
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by: Phil Lamey |
last post by:
Hi Folks,
I have run into a bit of an issue with checking for files.
Some files reside on Server X and some on Server Y.
The page with all the links is on Server X. If the file exists we...
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by: Richard L Rosenheim |
last post by:
What's the proper technique for checking for the existence of an attribute
within a node?
Lets say I did a SelectSingleNode which returned this element:
<AnAddress city="San Francisco"...
|
by: BerkshireGuy |
last post by:
Hello everyone,
I have a bond form that a user uses to enter data.
One of my fields, is PolicyNumber. I added some code on the Before
Update event of txtPolicyNumber that checks to see if...
|
by: Geiregat Jonas |
last post by:
is using
if(open("file",O_EXCL) != -1){ printf("File does
exists")}else{printf("file does not exists"); }
a good way of checking if a file exists or not, if not how should I do it ?
|
by: Darrel |
last post by:
I'm trying to add an extra layer of error checking on a Drop Down List. The
list is populated from one table, and then I select the selectedValue from
another DB.
While it SHOULDN'T ever happen,...
|
by: D. Shane Fowlkes |
last post by:
(ASP.NET 2 / VB)
Question - How can I write a If statement to see if a control (textbox)
actually exists on a page? Upon page_load, a certain control may or may not
be visible on the page so I...
|
by: Edwina Rothschild |
last post by:
Hello,
I am new to PHP so I have done a research on how to check if an entry
exists on the table. I came up with the following code:
include("dbinfo.inc.php");
$Name=$_POST;
$Code=$_POST;...
|
by: darkslide |
last post by:
Hi,
I'm checking if a file exists with the following code;
If System.IO.File.Exists("C:\test.txt") = True Then
MsgBox("File Exists")
Else
MsgBox("File Does Not Exist")
End If
...
|
by: sprash |
last post by:
Newbie question:
I'm trying to determine if a file physically exists regardless of the
permissions on it
Using File.Exists() returns false if it physically exists but the
process does not...
|
by: DolphinDB |
last post by:
The formulas of 101 quantitative trading alphas used by WorldQuant were presented in the paper 101 Formulaic Alphas. However, some formulas are complex, leading to challenges in calculation.
Take...
|
by: DolphinDB |
last post by:
Tired of spending countless mintues downsampling your data? Look no further!
In this article, you’ll learn how to efficiently downsample 6.48 billion high-frequency records to 61 million...
|
by: isladogs |
last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM).
In this month's session, we are pleased to welcome back...
|
by: isladogs |
last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM).
In this month's session, we are pleased to welcome back...
|
by: jfyes |
last post by:
As a hardware engineer, after seeing that CEIWEI recently released a new tool for Modbus RTU Over TCP/UDP filtering and monitoring, I actively went to its official website to take a look. It turned...
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by: CloudSolutions |
last post by:
Introduction:
For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
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by: Shællîpôpï 09 |
last post by:
If u are using a keypad phone, how do u turn on JavaScript, to access features like WhatsApp, Facebook, Instagram....
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by: af34tf |
last post by:
Hi Guys, I have a domain whose name is BytesLimited.com, and I want to sell it. Does anyone know about platforms that allow me to list my domain in auction for free. Thank you
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by: Faith0G |
last post by:
I am starting a new it consulting business and it's been a while since I setup a new website. Is wordpress still the best web based software for hosting a 5 page website? The webpages will be...
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