Possible Duplicates: Gracefully avoiding NullPointerException in Java Multilingual fields in DB tables Exact duplicate http://stackoverflow.com/questions/963936/gracefully-avoiding-nullpointerexception-in-java What do you like more? I just hate seeing the last one. It just seems backwards. String randomtext = "stack...
How can you make the if -clause which do this and this if there is no variable in the URL by PHP? there is no variable which has value in the URL by PHP? Examples of the URLs which should be true for the if -clause for #1: www.example.com/index.php example.com/index.php example.com/index.php? Examples of the URLs which should be t...
Hello guys, thanks for the help in advance. How can I have jquery check to see if a variable contains a specific word in it and have it execute an alert if matched? ...
Hello, I am havin trouble with this code: if ($_GET['offline']) {$extranet = $_GET['offline'];} else {$extranet = $online;} $sql = mysqli_query($db,"UPDATE tbl_system SET value = '$extranet' WHERE property = 'extranet'"); echo $_GET['offline']; echo $extranet; echo $online; In the database, the value of the field where the property =...
Hi, I've just reverse engineered a binary with IDA and loaded Hex Ray to check out a specific function. The generate C source code contains the following if statement: LP_ret_GlobalLock_1 = GlobalLock(hMem); LP_ret_GlobalLock_2 = LP_ret_GlobalLock_1; ... if ( !LP_ret_GlobalLock_1 || (v9 = *(_DWORD *)(v6 + 4), *(_DWORD *)v6 = LP_ret_Glo...
Are nested 'if' statements permitted? ex: <if cond="1 == 1"> <if cond="2 == 2"> One is in fact equal to one and Two is in fact equal to two <else/> One is in fact equal to one but Two is never not equal to two </if> <else/> One is never not equal to one </if> I realize I could rewrite this condition with an '&&' st...
<asp:Repeater> is driving me mad.. I need to do <ItemTemplate> <% if (Container.DataItem("property") == "test") {%> I show this HTML <% } else { %> I show this other HTML <% } %> </ItemTemplate> But I can't for the life of me find any way to make that happen. Ternary isnt any good, because the amount of HT...
How does PHP read if statements? I have the following if statements in this order if ( $number_of_figures_in_email < 6) { -- cut: gives false } if($number_of_emails > 0) { -- cut: gives false } if ( $number_of_emails == 0) { -- cut: gives true ...
I have this bc = 'off' if c.page == 'blog': bc = 'on' print bc Is there a more pythonic (and/or shorter) way of writing this in python? ...
I was thinking about object oriented design today, and I was wondering if you should avoid if statements. My thought is that in any case where you require an if statement you can simply create two objects that implement the same method. The two method implementations would simply be the two possible branches of the original if statement....
How can you say the following in jQuery? If If textarea AND input.title are NOT empty, then put input.button ON. My attempt in pseudo-code if ( $(textarea).not.empty() AND $(input.title).not.empty() ) { $('.ask_question').attr('enabled, 'enabled'); } ...
When a function returns a boolean you can easily if (task()){ // it worked! }else{ // it failed. } But when it returns multiple different values it gets messier var status = task(); if (status == 1){ // hmm }else if (status == 2){ // hmmmmm }else if (status == 3){ // hmmmmmmmm! } ..is there a neater way of handling ...
I have a PHP calendar that lists all of the days of the month in a table. Before the first day of the month I have numbers from the prior month and after the last day of the month are the numbers of the days for the upcoming month. Here's a photo of the Calendar as it currently looks. As you can see the bottom gray numbers are working ...
Assume, I have a form ...lets say WinForm... with 'n' number of controls. I populate them with a default value during the LOAD. Then, the user gets to play with all the controls and set different values for the controls and submit the form. Here is where I find myself writing a series of "if" conditional statements handling the value o...
I really need some quick tips here. I've got this VBScript script which sends an e-mail. And I want to do several checks to see if an attribute is true and if it is, write an additional line in the mail. How can I do this? This is part of the script: obMessage.HTMLBody = ""_ & "<MENU>"_ & "<LI type = square>This is...
Is there anyway I can clean up if($class == 2 AND $posts >=1){$showpost ="1";} else {$showpost ="$posts"; if($class == 3 AND $posts >=2){$showpost ="2";} else {$showpost ="$posts"; if($class == 4 AND $posts >=3){$showpost ="3";} else {$showpost ="$posts"; if($class == 5 AND $posts >=4){$showpost ="4";} else {$showpost ="$posts"; if($cla...
Is it possible to put multiple IF statements in Javascript? If so, I'm having a fair amount of trouble with the statement below. I was wondering if you can put another IF statement in between if (data == 'valid') AND else? I want to add another if data =='concept') between the two. if (data == 'valid') { $("#file").slideUp(function ...
I've tried searching the documentation and the internet as best as I'm able, but I haven't been able to get the Xcode compiler to issue a warning if the assignment operator is used in an if statement. I'm coming from RealBasic, where I've got an extremely strong habit of typing this sort of comparison: if x = 5 then ... In C, of cour...
In MySql, if the first argument of an IF() function is a string, why does it return false? SELECT IF('string', 'string', 'not string'); -- 'not string' Of course I could sort of fix this if I did IF(!ISNULL('string'), 'string', 'not string')) -- 'string' or IFNULL('string', 'not string'); -- 'string' It seems somewhat counter-i...
I was recently involved in an argument with a coworker involving one line if statements and wanted to see what stackoverflow thought. Do you feel that the statement should be written as: if(condition) { statement = new assignment; } OR if(condition) statement=new assignment; please provide a good reason for your decision....