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django - How to handle "matching query does not exist" when getting an object

When I want to select objects with a get() function like personalProfile = World.objects.get(ID=personID) If ... to fight with this issue See Question&Answers more detail:os...

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objective c - How to convert Hex to Binary iphone

I need to convert a hex string to binary form in objective-c, Could someone please guide me? ... to 1111111111011111111111101111000? BR, Suppi See Question&Answers more detail:os...

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iphone - Convert NSString of a date to an NSDate

This might be a silly question, but I can't seem to find the answer on here or in the documentation. I want to ... What do I do about AM/PM? See Question&Answers more detail:os...

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python - Django Static Files results in 404

Ive checked over quite a few of the other threads on being unable to serve static content using the static file app ... png HTTP/1.1" 404 1817 See Question&Answers more detail:os...

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linux - what do these kernel panic errors mean?

I insmod a kernel module on ARM platform and I get a kernel panic which causes this three errors to be printed ... thing in a kernel module.? See Question&Answers more detail:os...

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python - Why is np.where faster than pd.apply

Sample code is here import pandas as pd import numpy as np df = pd.DataFrame({'Customer' : ['Bob', ... ://stackoverflow.com/a/41166160/3027854 See Question&Answers more detail:os...

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excel - Sorting a dictionary by key in VBA

I have created a dictionary in VBA using CreateObject("Scripting.Dictionary") that maps source words to target words ... the keys this way. See Question&Answers more detail:os...

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javascript - How to call native es6 template string replacement from tag function?

I'm writing a es6 tag function for template literals, which first checks a condition in the string and, if the ... 1]; } return result; } See Question&Answers more detail:os...

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c - Statically link ncurses to program

I'm having some problems statically linking ncurses to one of my programs Here's a really simple sample program: ... What am I missing here? See Question&Answers more detail:os...

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Use a CTE to UPDATE or DELETE in MySQL

The new version of MySQL, 8.0, now supports Common Table Expressions. According to the manual: A WITH clause is ... manual of version 8.0)? See Question&Answers more detail:os...

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java - What is the size of methods that JIT automatically inlines?

I've heard that JIT automatically inlines small methods, like getters (they have about 5 bytes). What is the boundary? Is there any JVM flag? See Question&Answers more detail:os...

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oop - What does slicing mean in C++?

It is mentioned in C++ FAQ site -- "larger derived class objects get sliced when passed by value as a ... C++ as my development environment. See Question&Answers more detail:os...

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synchronization - Dependent loads reordering in CPU

I have been reading Memory Barriers: A Hardware View For Software Hackers, a very popular article by Paul E. ... is required. Any insights ? See Question&Answers more detail:os...

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c - Unable to open a file with fopen()

I've been trying to open a file and output text, but I keep getting errors. So I thought I would start at the very ... .exe. How do I fix this? See Question&Answers more detail:os...

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c++ - Is it UB to access a member by casting an object pointer to `char *`, then doing `*(member_type*)(pointer + offset)`?

Here's an example: #include <cstddef> #include <iostream> struct A { char padding[7]; int x; }; constexpr ... . No definitive answer was given. See Question&Answers more detail:os...

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google cloud platform - Prevent duplicate entries in Firestore rules not working

I'm trying to prevent duplicate entries using Google Firestore rules, however it's not working. The rule I'm trying ... . What am I doing wrong? See Question&Answers more detail:os...

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c# - Function profiling woes - Visual Studio 2010 Ultimate

I am trying to profile my application to monitor the effects of a function, both before and after refactoring. I ... ) Thanks for any pointers. See Question&Answers more detail:os...

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c# - Change name of exe depending on conditional compilation symbol

Can you tell Visual Studio to output a different name of an exe file depending on if a specific conditional compilation symbol is set? See Question&Answers more detail:os...

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Focus on EditText in ListView when block descendants (Android)

I have a customized ListView. Each row has an EditText, Buttons & TextView. In order to make the ListView ... </RelativeLayout> </LinearLayout> See Question&Answers more detail:os...

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c++ - Passing pointer argument by reference under C?

#include <stdio.h> #include <stdlib.h> void getstr(char *&retstr) { char *tmp = (char *)malloc(25); strcpy( ... reference? If not, why? Thanks. See Question&Answers more detail:os...

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java - Why class/object name must be explicitly specified for method references?

When I want to refer to the method in the current scope I still need to specify class name (for static ... was not simply considered at all? See Question&Answers more detail:os...

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html - Adding CSS border changes positioning in HTML5 webpage

I'm having a problem with the page elements moving when I add a border in a HTML 5 document. I expected ... 0px; background-color:#CC0000; } See Question&Answers more detail:os...

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c# - Writing a CompareTo DataAnnotation Attribute

I have a situation where I want to compare to fields (example, ensuring the start time is before the end time ... to the value of another? See Question&Answers more detail:os...

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html - Run JavaScript inside <script src="..."></script> Tags?

I've a JavaScript file that processes tab switches. Here is the source: var tCount = 0; function SwitchToTab(id) { ... tags? What I am missing? See Question&Answers more detail:os...

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javascript - Issue while using transitions + opacity change + overflow hidden

If you see the code sample I have shared, you can see the overlay going outside the box. I traced the issue down to ... </div> </div> </div> See Question&Answers more detail:os...

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CMD does not support UNC paths as current directories

We have batch scripts that seem to run fine however I am editing one of them to include some new work and ... manually (if this is possible)? See Question&Answers more detail:os...

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php - PDO get data from database

I started using PDO recently, earlier I was using just MySQL. Now I am trying to get all data from database. ... any users, just a blank page. See Question&Answers more detail:os...

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c# - How can i get the Cell address from excel

How can i get the Cell address from excel given a row and column number for example row 2 and col 3 should return C2... Please help See Question&Answers more detail:os...

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