Check whether a string is parsable into Long without try-catch?
- by Sergey
Hello,
Long.parseLong( string ) throws an error if string is not parsable into long.
Is there a way to validate the string faster than using try-catch?
Thanks
Search Results
Search found 49435 results on 1978 pages for 'query string'.
Page 86/1978 | < Previous Page | 82 83 84 85 86 87 88 89 90 91 92 93 | Next Page >
-
-
PHP: How can i convert an index to an string ?
- by user248959
Hi, how can i convert an index to an string ? For example i would like to get the 'signin' index here: array(1) { ["signin"]=> array(2) { ["email_address"]=> string(0) "" ["password"]=> string(0) "" } } JaviRead the article
-
Why does this program segfault
- by Leda
Upon compiling and running this small program to reverse a string, I get a Segmentation Fault before any output occurs. Forgive me if this is an obvious question, I'm still very new to C. #include <stdio.h> int reverse(char string[], int length); int main() { char string[] = "reversed"; printf("String at start of main = %s", string); …Read the article
-
Exercise 7.9 in "How to Think Like a Computer Scientist (python)" measuring occurrences of a character in a string
- by Abie
The question is how to write a program that measures how many times a character appears in a string in a generalizable way in python. The code that I wrote: def countLetters(str, ch): count=0 index=0 for ch in str: if ch==str[index]: count=count+1 index=index+1 print count when I use this function, it measures the…Read the article
-
how to pass vector of string to foo(char const *const *const)?
- by user347208
Hi, This is my first post so please be nice. I searched in this forum and googled but I still can not find the answer. This problem has bothered me for more than a day, so please give me some help. Thank you. I need to pass a vector of string to a library function foo(char const *const *const). I can not pass the &Vec[0] since it's a…Read the article
-
Looping through an array while adding the data to a string and finally returning it, a faster way?
- by Hadi
Getting the customer's to_s method by looping through Is there a Ruby idiom to write the code in 1 line (or shorter than 3 lines of code)? def method string = "" @customers.each { |customer| string += customer.to_s + "\n" } string endRead the article
-
how to cut string whit two regular expression "_" and "."
- by Mercer
hello , i have a string like this test_1.doc and i want to split this string to have 1.docRead the article
-
c# xml function to check whether a string is equal to a xml attribute, to add selected combobox item
- by fuch
i want to check the combobox.selecteditem.tostring() on combobox select in a given xml with several nodes, where each one has an attribute called "name" private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { try { textBox1.AppendText(nameAttributeCheck(comboBox1.SelectedItem.ToString())); } catch…Read the article
-
How can I set an intent's class from a string value?
- by twaxwei
I am trying to set the class for an intent to the address listed in a string value, so that I can launch a given activity. The string is composed dynamically during runtime. Is there anyway to make something like the code below run: String target=com.test.activity1.class; Intent intent=new intent(); intent.setClass(this, target); …Read the article
-
can constructors actually return Strings?
- by elwynn
Hi all, I have a class called ArionFileExtractor in a .java file of the same name. public class ArionFileExtractor { public String ArionFileExtractor (String fName, String startText, String endText) { String afExtract = ""; // Extract string from fName into afExtract in code I won't show here return afExtract; } …Read the article
-
Why doesn't the String class in Java implement Iterable?
- by xyzzyz
Many Java framework classes implement Iterable, however String does not. It makes sense to iterate over characters in a String, just as one can iterate over items in a regular array. Is there a reason why String does not implement Iterable?Read the article
-
Are "strings.xml" string arrays always parsed/deserialized in the same order?
- by PhilaPhan80
Can I count on string arrays within the "strings.xml" resource file to be parsed/deserialized in the same order every time? If anyone can cite any documentation that clearly spells out this guarantee, I'd appreciate it. Or, at the very least, offer a significant amount of experience with this topic. Also, is this a best…Read the article
-
httpd high cpu usage slowing down server response
- by max
my client has a image sharing website with about 100.000 visitor per day it has been slowed down considerably since this morning when i checked processes i've notice high cpu usage from http .... some has suggested ddos attack ... i'm not a webmaster and i've no idea whts going on top top - 20:13:30 up 5:04, 4 users,…Read the article
-
SQL SERVER – Beginning of SQL Server Architecture – Terminology – Guest Post
- by pinaldave
SQL Server Architecture is a very deep subject. Covering it in a single post is an almost impossible task. However, this subject is very popular topic among beginners and advanced users. I have requested my friend Anil Kumar who is expert in SQL Domain to help me write a simple post about Beginning SQL Server…Read the article
-
SQL SERVER – Solution – Puzzle – Statistics are not Updated but are Created Once
- by pinaldave
Earlier I asked puzzle why statistics are not updated. Read the complete details over here: Statistics are not Updated but are Created Once In the question I have demonstrated even though statistics should have been updated after lots of insert in the table are not updated.(Read the details SQL SERVER – When are…Read the article
-
SQL SERVER – Parsing SSIS Catalog Messages – Notes from the Field #030
- by Pinal Dave
[Note from Pinal]: This is a new episode of Notes from the Field series. SQL Server Integration Service (SSIS) is one of the most key essential part of the entire Business Intelligence (BI) story. It is a platform for data integration and workflow applications. The tool may also be used to automate…Read the article
-
SQL Server Table locks in long query - Solution: NoLock?
- by Kovu
a report in my application runs a query that needs between 5 - 15 seconds (constrained to count of rows that will be returned). The query has 8 joins to nearly all main-tables of my application (Customers, sales, units etc). A little tool shows me, that in this time, all those 8 tables are locked with a shared…Read the article
-
iPhone facebook connect FQL Query to get Profile URL.
- by user306641
Hai. I am using Face book Connect FQL Queries to extract my profile photo url that is src_big,src_small URL. But i am always getting the empty array in below delegate (void)request:(FBRequest*)request didLoad:(id)result My FQL query is. NSString* fql = [NSString stringWithFormat:@"SELECT…Read the article
-
How can I Query only __key__ on a Google Appengine PolyModel child?
- by Gabriel
So the situation is: I want to optimize my code some for doing counting of records. So I have a parent Model class Base, a PolyModel class Entry, and a child class of Entry Article: How would I query Article.key so I can reduce the query load but only get the Article count. My first thought was…Read the article
-
getting userbase vote average and individual user's vote in the same query?
- by Andrew Heath
Here goes: T1 [id] [desc] 1 lovely 2 ugly 3 slender T2 [id] [userid] [vote] 1 1 3 1 2 5 1 3 2 2 1 1 2 2 4 2 3 4 In one query (if possible) I'd like to return: T1.id, T1.desc, AVG(T2.vote), T2.vote (for user…Read the article
-
Access is refusing to run an query with linked table?
- by Mahmoud
Hey all i have 3 tables each as follow cash_credit Bank_Name-------in_date-------Com_Id---Amount America Bank 15/05/2010 1 200 HSBC 17/05/2010 3 500 Cheque_credit Bank_Name-----Cheque_Number-----in_date-------Com_Id---Amount America Bank 74835435-5435 …Read the article
-
How to run a progress-bar through an insert query?
- by Gold
I have this insert query: try { Cmd.CommandText = @"INSERT INTO BarcodTbl SELECT * FROM [Text;DATABASE=" + PathI + @"\].[Tmp.txt];"; Cmd.ExecuteNonQuery(); Cmd.Dispose(); } catch (Exception ex) { MessageBox.Show(ex.Message); } I have two questions: How can I run a progress-bar…Read the article
-
SQLAuthority News – Public Training Classes In Hyderabad 12-14 May – SQL and 10-11 May SharePoint
- by pinaldave
There were lots of request about providing more details for the blog post through email address specified in the article SQLAuthority News – Public Training Classes In Hyderabad 12-14 May – Microsoft SQL Server 2005/2008 Query Optimization & Performance Tuning. Here is the complete…Read the article
-
SQLAuthority News – Public Training Classes In Hyderabad 12-14 May – SQL and 10-11 May SharePoint
- by pinaldave
There were lots of request about providing more details for the blog post through email address specified in the article SQLAuthority News – Public Training Classes In Hyderabad 12-14 May – Microsoft SQL Server 2005/2008 Query Optimization & Performance Tuning. Here is the complete…Read the article
-
SQL SERVER – Puzzle to Win Print Book – Write T-SQL Self Join Without Using FIRST _VALUE and LAST_VALUE
- by pinaldave
Last week we asked a puzzle SQL SERVER – Puzzle to Win Print Book – Functions FIRST_VALUE and LAST_VALUE with OVER clause and ORDER BY . This puzzle got very interesting participation. The details of the winner is listed here. In this puzzle we received two very important…Read the article
