📚 Current Affairs

When are x86 LFENCE, SFENCE and MFENCE instructions required?
Ok, I have been reading the following Qs from SO regarding x86 CPU fences (LFENCE, SFENCE and MFENCE): Does it make any sense instruction LFENCE in processors x86/x86_64? What is the impact SFENCE...
Uninstalling an MSI file from the command line without using msiexec
msiexec is command prompt software that installs an MSI program. But I have found that you can install an MSI file from the command line by just typing in the name of the MSI file on the command li...
How to connect to a remote Git repository?
I am working with a team and we want to use Git (Not with GitHub, we have a private remote machine). We were using SVN until now. We have a remote machine that works like an SVN repository. Now, we...
Create .ics file with javascript or jquery
I am trying to create an .ics file when a user clicks a button. So far the code I have is msgData1 = $('.start-time').text(); msgData2 = $('.end-time').text(); msgData3 = $('.Location').text(); ...
Abort a Git Merge
I am working on a project using Git as the VCS. I got a branch xyz cut from the mainline branch of master. After working for a while, I committed my code and took a pull of the branch mainline. Th...
Rotating and spacing axis labels in ggplot2
I have a plot where the x-axis is a factor whose labels are long. While probably not an ideal visualization, for now I'd like to simply rotate these labels to be vertical. I've figured this part ...
Why is Math.max(timeLeft/1000, 0) returning 0 as maximum value?
I am trying to understand Math.max(timeLeft/1000,0); returning its maximum value as 0. I did a lot of research as a noob. I read the w3schools's tutorial about Math and all its methods. However the...
Function with char array parameter
I'm trying to write a function for printing text in C for PIC microcontrollers (I think it's based on gcc). void print(char[] text); void print(char[] text) { for(ch = 0; ch < sizeof(text)...
No provider for Http StaticInjectorError
I am trying to pull the data from my api, and populate it in my ionic app, but it is crashing when I enter the page the data should be populated on. Below are my two .ts files: import { Component }
SQL join format - nested inner joins
I have the following SQL statement in a legacy system I'm refactoring. It is an abbreviated view for the purposes of this question, just returning count(*) for the time being. SELECT COUNT(*) FROM
DROP IF EXISTS VS DROP?
Can someone tell me if there is any difference between DROP IF EXISTS [TABLE_NAME] DROP [TABLE_NAME] I am asking this because I am using JDBC template in my MVC web application. If I use DROP [
ArrayList to emulate a queue - Java
I want to use an ArrayList in Java and implement it as a queue. Adding to the queue should be fairly easy using queue.add("element"). Although, removing popping items out it a bit trickier. The way I
redis slave won't sync with master
The redis slave won't sync with the master. Connectivity: I can connect to the master when I issue HOST_NAME=fakehost redis-cli -h $HOST_NAME and check the master status using a command like IN...
How to read the debug memory window in Visual Studio
I have used debug mode in Visual Studio before, but I never had to use the memory window. If I had a simple application that calculates a=b+c and made b =8 and c=-2, how can I find the addresses a,...
Difference between os.getenv and os.environ.get
Is there any difference at all between both approaches? >>> os.getenv('TERM') 'xterm' >>> os.environ.get('TERM') 'xterm' >>> os.getenv('FOOBAR', "not found") == "not fo...
How to solve Excel VBA: Compile error in hidden module
enter image description here I have a problem about excel VBA. Excel file is created for many years. It run VBA code in 32 bit excel. However, my computer upgrade 32 bit excel to 64 bit excel. I ca...
TOML vs YAML vs StrictYAML
TOML said "TOML and YAML both emphasize human readability features, like comments that make it easier to understand the purpose of a given line. TOML differs in combining these, allowing comme...
DBMS_XSLPROCESSOR.CLOB2FILE - Error Invalid Directory path
This is the PL/SQL procedure which I am trying to run . The issue I am facing an invalid directory path. I am running Oracle 11g On windows server. I have a client configured on a different machine
CSS, Stretching vertically div until it reach the height of its parent [duplicate]
Wrapped in a pageWrapper container, I have 3 divs in a column. First (header) and last (navWrapper) have fixed heights. I need the middle one (contentWrapper) to stretch in height until the parent ...
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder"
My application is to be deployed on both tcServer and WebSphere 6.1. This application uses ehCache and so requires slf4j as a dependency. As a result I've added the slf4j-api.jar (1.6) jar to my wa...
Change webjob from on demand to schedule
We have an azure webjob that was deployed as on demand. Is there a way to change this to run on a schedule without redeploying? Not a lot of info out there on this. I tried creating a new schedule
Excel: Search for a list of strings within a particular string using array formulas?
I want to search a cell for a list of words. I thought this would work as an array formula: {=FIND(,)} But it only finds a m...
How to make Check Box List in ASP.Net MVC
I have a form with a list of checkboxes. A user can select all values, no values, or any in between. Example: I would like to write the result to the database as a comma separated list. In the exa...
SQL CASE WHEN or IF ELSE IF
I have multiple conditions to meet in a case I would like to Know if I can use > < instead of defining every case In this case when the credit rating is smaller then 3 then, the word "NO TRADE"...
How To Link To Another Page in React?
What I'm trying to do: I'm trying to get my React Web-App NavBar to link to other pages inside my app. What I've tried: Inside my App.js file, I've set up React-Router-Dom as you can see. I've also
Python code to remove HTML tags from a string [duplicate]
I have a text like this: text = """

Title

A long text........

a link
""" using pure Python, with no ex...
How to select label for="XYZ" in CSS?
label { display: block; width: 156px; cursor: pointer; padding-right: 6px; padding-bottom: 1px; } I wish to select the label...
In MySQL, can I copy one row to insert into the same table?
insert into table select * from table where primarykey=1 I just want to copy one row to insert into the same table (i.e., I want to duplicate an existing row in the table) but I want to do this wi...
obspy plot streams as one plot with different color
Hi I am new to use obspy. I want to plot two streams to one plot. I made code as below. st1=read('/path/1.SAC') st1+=read('/path/2.SAC') st1.plot() I succeed to plot two plots but what I want to d...
ruby DateTime parsing from 'mm/dd/yyyy' format
I am using ruby 1.9.3 and want to get Date or Time object from 'mm/dd/yyyy' date format string Time.zone.parse("12/22/2011") this is giving me *** ArgumentError Exception: argument out of range
How to download offline copy MSDN ( Microsoft help documentation)?
Can I download offline copy MSDN ( Microsoft help documentation) ? For example I don't have internet access all day, but I need have access to the help infomation. And how to do it ?
Data access object (DAO) in Java
I was going through a document and I came across a term called DAO. I found out that it is a Data Access Object. Can someone please explain me what this actually is? I know that it is some kind o...
What is the meaning of -> List[int] in this function declaration? [duplicate]
I want to understand the declaration of this function: ->List[int]: I have learned the basics of Python and I never saw function declaration like this before class Solution: def twoSum(self,...
Format date to MM/dd/yyyy in JavaScript [duplicate]
I have a dateformat like this '2010-10-11T00:00:00+05:30'. I have to format in to MM/dd/yyyy using JavaScript or jQuery . Anyone help me to do the same.
Unable to show a Git tree in terminal
Killswitchcollective.com's old article, 30 June 2009, has the following inputs and outputs git co master git merge [your_branch] git push upstream A-B-C-D-E A-B-C-D-E-F-G ...