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Pointers in C: when to use the ampersand and the asterisk?
...qually true if we want to modify a pointer value; if we write
int myFopen(FILE *stream) {stream = fopen("myfile.dat", "r"); }
...
FILE *in;
myFopen(in);
then we're modifying the value of the input parameter stream, not what stream points to, so changing stream has no effect on the value of in; in...
How can I convert an RGB image into grayscale in Python?
...art_time = time.time()
for i in range(1000):
z = random.choice(filenames_png)
img = skimage.color.rgb2gray(skimage.io.imread(z))
run_times['sk'].append(time.time() - start_time)
start_time = time.time()
for i in range(1000):
z = random.choice(filenames_png)
img = np....
How to export all data from table to an insertable sql format?
...
Another way to dump data as file from table by DumpDataFromTable sproc
EXEC dbo.DumpDataFromTable
@SchemaName = 'dbo'
,@TableName = 'YourTableName'
,@PathOut = N'c:\tmp\scripts\' -- folder must exist !!!'
Note: SQL must have permission t...
PHP Pass variable to next page
...o the $_SESSION array.
Security
Since you state your value is actually a filename, you need to be aware of the security ramifications. If the filename has arrived from the client side, assume the user has tampered with the value. Check it for validity! What happens when the user passes the path to...
Download data url file
...ag their zip directly into the browser and it'll let them download all the files within. They can also create new zip files by dragging individual files in.
...
What are the GCC default include directories?
When I compile a very simple source file with gcc I don't have to specify the path to standard include files such as stdio or stdlib.
...
What is an Intent in Android?
...t like "take picture", you declare an intent filter in your app's manifest file.
If you want to fire off an intent to do something, like pop up the dialer, you fire off an intent saying you will.
share
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Error starting jboss server
... issue, and also here. You need to change the content of conf/bootstrap/profile.xml. Look for the definition of the AttachmentStore, and change the constructor line so that it starts like this (i.e. add the class XML attribute to the parameter tag):
<constructor><parameter class="java.io.F...
Docker, mount volumes as readonly
... of... I just dont like having to build an image just to make use of Dockerfile COPY or use a separate docker cp command on a shut off container.
– Ray Foss
Aug 16 '17 at 19:11
5
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Is there a constraint that restricts my generic method to numeric types?
...ly (at compile time!).
In order to do this:
Create a new Text Template file called GenericNumberMethodTemplate.tt.
Remove the auto-generated code (you'll keep most of it, but some isn't needed).
Add the following snippet:
<#@ template language="C#" #>
<#@ output extension=".cs" #>...